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    <link:label id="lab_tlx_ScheduleOfConsolidatedStatementOfComprehensiveIncomeOrLossOfEntitiesPartyToDeedOfCrossGuaranteeTableTextBlock_label_en-US" xlink:label="lab_tlx_ScheduleOfConsolidatedStatementOfComprehensiveIncomeOrLossOfEntitiesPartyToDeedOfCrossGuaranteeTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Consolidated Statement Of Comprehensive Income or Loss Of Entities Party To Deed Of Cross Guarantee [Table Text Block]</link:label>
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    <link:label id="lab_tlx_OtherProvisionsChargedToProfitLoss_label_en-US" xlink:label="lab_tlx_OtherProvisionsChargedToProfitLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Provisions Charged To Profit (Loss)</link:label>
    <link:label id="lab_tlx_OtherProvisionsChargedToProfitLoss_documentation_en-US" xlink:label="lab_tlx_OtherProvisionsChargedToProfitLoss" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of other provisions charged to profit (loss).</link:label>
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    <link:label id="lab_tlx_TelixPharmaceuticalsInternationalHoldingsPtyLimitedMember_019b0124-06b4-768b-9607-0b5703d29599_terseLabel_en-US" xlink:label="lab_tlx_TelixPharmaceuticalsInternationalHoldingsPtyLimitedMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Telix Pharmaceuticals International Holdings Pty Ltd</link:label>
    <link:label id="lab_tlx_TelixPharmaceuticalsInternationalHoldingsPtyLimitedMember_label_en-US" xlink:label="lab_tlx_TelixPharmaceuticalsInternationalHoldingsPtyLimitedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Telix Pharmaceuticals International Holdings Pty Limited [Member]</link:label>
    <link:label id="lab_tlx_TelixPharmaceuticalsInternationalHoldingsPtyLimitedMember_documentation_en-US" xlink:label="lab_tlx_TelixPharmaceuticalsInternationalHoldingsPtyLimitedMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The name of the entity which is controlled by another entity.</link:label>
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    <link:label id="lab_tlx_DisclosureOfDetailedInformationAboutFinanceCostsTextBlock_019b0124-06b4-7d4d-84d5-6421703db2e3_terseLabel_en-US" xlink:label="lab_tlx_DisclosureOfDetailedInformationAboutFinanceCostsTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Finance Costs</link:label>
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    <link:label id="lab_ifrs-full_DisclosureOfBusinessCombinationsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfBusinessCombinationsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about business combination [line items]</link:label>
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    <link:label id="lab_ifrs-full_DeferredTaxExpenseIncome_019b0124-06b4-795f-a3b9-38618d51ae20_terseLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxExpenseIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred tax benefit</link:label>
    <link:label id="lab_ifrs-full_DeferredTaxExpenseIncome_019be638-59aa-7bb0-8895-37f6fbb0c050_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxExpenseIncome" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Deferred tax</link:label>
    <link:label id="lab_ifrs-full_DeferredTaxExpenseIncome_label_en-US" xlink:label="lab_ifrs-full_DeferredTaxExpenseIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred tax expense (income)</link:label>
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    <link:label id="lab_ifrs-full_EliminationOfIntersegmentAmountsMember_019b39ac-49ec-77a9-8c83-caa143f99af6_terseLabel_en-US" xlink:label="lab_ifrs-full_EliminationOfIntersegmentAmountsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Inter-segment eliminations</link:label>
    <link:label id="lab_ifrs-full_EliminationOfIntersegmentAmountsMember_019be028-13f1-7b9c-bce0-90fcfb62b630_verboseLabel_en-US" xlink:label="lab_ifrs-full_EliminationOfIntersegmentAmountsMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Inter-segment R&amp;D</link:label>
    <link:label id="lab_ifrs-full_EliminationOfIntersegmentAmountsMember_label_en-US" xlink:label="lab_ifrs-full_EliminationOfIntersegmentAmountsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Elimination of intersegment amounts [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EliminationOfIntersegmentAmountsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EliminationOfIntersegmentAmountsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EliminationOfIntersegmentAmountsMember" xlink:to="lab_ifrs-full_EliminationOfIntersegmentAmountsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_GrantDateMay222024Member_019bea52-81df-75e4-935d-a5d5e20e9527_terseLabel_en-US" xlink:label="lab_tlx_GrantDateMay222024Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Grant date May 22, 2024</link:label>
    <link:label id="lab_tlx_GrantDateMay222024Member_label_en-US" xlink:label="lab_tlx_GrantDateMay222024Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Grant Date May 22, 2024 [Member]</link:label>
    <link:label id="lab_tlx_GrantDateMay222024Member_documentation_en-US" xlink:label="lab_tlx_GrantDateMay222024Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Grant Date May 22, 2024</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_GrantDateMay222024Member" xlink:href="tlx-20251231.xsd#tlx_GrantDateMay222024Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_GrantDateMay222024Member" xlink:to="lab_tlx_GrantDateMay222024Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesExplanatory_019b0124-061c-7d68-8e2c-f99349dc8449_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Reconciliation of Liabilities Arising from Financing Activities</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of reconciliation of liabilities arising from financing activities [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_TelixPharmaceuticalsBelgiumSRLMember_019b0124-061c-7eae-bfaa-3256ae8bce0c_terseLabel_en-US" xlink:label="lab_tlx_TelixPharmaceuticalsBelgiumSRLMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Telix Pharmaceuticals (Belgium) SRL</link:label>
    <link:label id="lab_tlx_TelixPharmaceuticalsBelgiumSRLMember_label_en-US" xlink:label="lab_tlx_TelixPharmaceuticalsBelgiumSRLMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Telix Pharmaceuticals (Belgium) SRL [Member]</link:label>
    <link:label id="lab_tlx_TelixPharmaceuticalsBelgiumSRLMember_documentation_en-US" xlink:label="lab_tlx_TelixPharmaceuticalsBelgiumSRLMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The name of the entity which is controlled by another entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_TelixPharmaceuticalsBelgiumSRLMember" xlink:href="tlx-20251231.xsd#tlx_TelixPharmaceuticalsBelgiumSRLMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_TelixPharmaceuticalsBelgiumSRLMember" xlink:to="lab_tlx_TelixPharmaceuticalsBelgiumSRLMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LaterThanSixMonthsAndNotLaterThanOneYearMember_019b0124-061c-7874-84ce-278635a8d538_terseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanSixMonthsAndNotLaterThanOneYearMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">6-12 months</link:label>
    <link:label id="lab_ifrs-full_LaterThanSixMonthsAndNotLaterThanOneYearMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanSixMonthsAndNotLaterThanOneYearMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Later than six months and not later than one year [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanSixMonthsAndNotLaterThanOneYearMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LaterThanSixMonthsAndNotLaterThanOneYearMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanSixMonthsAndNotLaterThanOneYearMember" xlink:to="lab_ifrs-full_LaterThanSixMonthsAndNotLaterThanOneYearMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome_019b0124-061c-78e8-b7b6-3f24c7176166_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Sundry items</link:label>
    <link:label id="lab_ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome_label_en-US" xlink:label="lab_ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other tax effects for reconciliation between accounting profit and tax expense (income)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome" xlink:to="lab_ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesFromInvestmentsInEquityInstruments_019b0124-06b3-7f59-baf7-35e3eba27ef4_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesFromInvestmentsInEquityInstruments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Changes in the fair value of investments at fair value through other comprehensive income</link:label>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesFromInvestmentsInEquityInstruments_label_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesFromInvestmentsInEquityInstruments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other comprehensive income, net of tax, gains (losses) from investments in equity instruments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesFromInvestmentsInEquityInstruments" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesFromInvestmentsInEquityInstruments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesFromInvestmentsInEquityInstruments" xlink:to="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesFromInvestmentsInEquityInstruments" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory_019b0124-061c-79b2-9969-0dc3f981bc61_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Right-of-Use Assets</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of quantitative information about right-of-use assets [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForFairValueMeasurementExplanatory_019b0124-073c-701f-bee2-f91c3d75e783_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForFairValueMeasurementExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair value measurement</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForFairValueMeasurementExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForFairValueMeasurementExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for fair value measurement [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForFairValueMeasurementExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForFairValueMeasurementExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForFairValueMeasurementExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForFairValueMeasurementExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PurchaseOfFinancialInstrumentsClassifiedAsInvestingActivities_019b0124-061c-710f-a2d8-8c6876c970f5_negatedLabel_en-US" xlink:label="lab_ifrs-full_PurchaseOfFinancialInstrumentsClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Payments for investments in financial assets</link:label>
    <link:label id="lab_ifrs-full_PurchaseOfFinancialInstrumentsClassifiedAsInvestingActivities_label_en-US" xlink:label="lab_ifrs-full_PurchaseOfFinancialInstrumentsClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Purchase of financial instruments, classified as investing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PurchaseOfFinancialInstrumentsClassifiedAsInvestingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PurchaseOfFinancialInstrumentsClassifiedAsInvestingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PurchaseOfFinancialInstrumentsClassifiedAsInvestingActivities" xlink:to="lab_ifrs-full_PurchaseOfFinancialInstrumentsClassifiedAsInvestingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable_019b0124-06b4-7a9c-b4da-8c5c4864c17e_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about borrowings [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about borrowings [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:to="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_VolumeWeightedAveragePriceOfEquityInstruments_019b0124-06b4-73ab-9b6c-6afce9a8de2b_terseLabel_en-US" xlink:label="lab_tlx_VolumeWeightedAveragePriceOfEquityInstruments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Volume weighted average price (in dollars per share)</link:label>
    <link:label id="lab_tlx_VolumeWeightedAveragePriceOfEquityInstruments_label_en-US" xlink:label="lab_tlx_VolumeWeightedAveragePriceOfEquityInstruments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Volume Weighted Average Price Of Equity Instruments</link:label>
    <link:label id="lab_tlx_VolumeWeightedAveragePriceOfEquityInstruments_documentation_en-US" xlink:label="lab_tlx_VolumeWeightedAveragePriceOfEquityInstruments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The 10-day volume weighted average price of other equity instruments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_VolumeWeightedAveragePriceOfEquityInstruments" xlink:href="tlx-20251231.xsd#tlx_VolumeWeightedAveragePriceOfEquityInstruments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_VolumeWeightedAveragePriceOfEquityInstruments" xlink:to="lab_tlx_VolumeWeightedAveragePriceOfEquityInstruments" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IntangibleAssetsAndGoodwill_019b0124-073c-7ec0-86d4-eff9563e08ec_terseLabel_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Intangible assets</link:label>
    <link:label id="lab_ifrs-full_IntangibleAssetsAndGoodwill_019be92c-de01-7f28-b71f-2e924f371ed1_periodStartLabel_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Beginning balance</link:label>
    <link:label id="lab_ifrs-full_IntangibleAssetsAndGoodwill_019be92c-fae1-731b-baa5-c64328efe895_periodEndLabel_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Ending balance</link:label>
    <link:label id="lab_ifrs-full_IntangibleAssetsAndGoodwill_label_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Intangible assets and goodwill</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IntangibleAssetsAndGoodwill" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IntangibleAssetsAndGoodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IntangibleAssetsAndGoodwill" xlink:to="lab_ifrs-full_IntangibleAssetsAndGoodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_StatementOfComprehensiveIncomeAbstract_019c7461-b22e-7a73-8ad0-bff94568fe80_terseLabel_en-US" xlink:label="lab_ifrs-full_StatementOfComprehensiveIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement of comprehensive income</link:label>
    <link:label id="lab_ifrs-full_StatementOfComprehensiveIncomeAbstract_label_en-US" xlink:label="lab_ifrs-full_StatementOfComprehensiveIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of comprehensive income [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_StatementOfComprehensiveIncomeAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_StatementOfComprehensiveIncomeAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_StatementOfComprehensiveIncomeAbstract" xlink:to="lab_ifrs-full_StatementOfComprehensiveIncomeAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_StatementOfChangesInEquityLineItems_019b0124-061c-79f0-9f30-048e8eee5d98_terseLabel_en-US" xlink:label="lab_ifrs-full_StatementOfChangesInEquityLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement of changes in equity [line items]</link:label>
    <link:label id="lab_ifrs-full_StatementOfChangesInEquityLineItems_label_en-US" xlink:label="lab_ifrs-full_StatementOfChangesInEquityLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of changes in equity [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_StatementOfChangesInEquityLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_StatementOfChangesInEquityLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="lab_ifrs-full_StatementOfChangesInEquityLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ComprehensiveIncomeAttributableToAbstract_019b0124-061c-728b-ad5e-d7c69b97ae00_terseLabel_en-US" xlink:label="lab_ifrs-full_ComprehensiveIncomeAttributableToAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total comprehensive (loss)/income for the year attributable to:</link:label>
    <link:label id="lab_ifrs-full_ComprehensiveIncomeAttributableToAbstract_label_en-US" xlink:label="lab_ifrs-full_ComprehensiveIncomeAttributableToAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Comprehensive income attributable to [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComprehensiveIncomeAttributableToAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComprehensiveIncomeAttributableToAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComprehensiveIncomeAttributableToAbstract" xlink:to="lab_ifrs-full_ComprehensiveIncomeAttributableToAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BasicEarningsLossPerShareFromContinuingOperations_019b0124-061c-7b68-a57a-c747885e4564_terseLabel_en-US" xlink:label="lab_ifrs-full_BasicEarningsLossPerShareFromContinuingOperations" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Basic (loss)/earnings per share from continuing operations after income tax attributable to the ordinary equity holders of the Company (in dollars per share)</link:label>
    <link:label id="lab_ifrs-full_BasicEarningsLossPerShareFromContinuingOperations_019b3a46-9f20-79c1-a70d-a399a9c1ed17_verboseLabel_en-US" xlink:label="lab_ifrs-full_BasicEarningsLossPerShareFromContinuingOperations" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Basic (loss)/earnings per share from continuing operations attributable to the ordinary equity holders of the Company (in dollars per share)</link:label>
    <link:label id="lab_ifrs-full_BasicEarningsLossPerShareFromContinuingOperations_label_en-US" xlink:label="lab_ifrs-full_BasicEarningsLossPerShareFromContinuingOperations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Basic earnings (loss) per share from continuing operations</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BasicEarningsLossPerShareFromContinuingOperations" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BasicEarningsLossPerShareFromContinuingOperations"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BasicEarningsLossPerShareFromContinuingOperations" xlink:to="lab_ifrs-full_BasicEarningsLossPerShareFromContinuingOperations" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ValueOfShareholdingAbstract_019bc515-d709-7697-bc9a-66e0028c67d5_terseLabel_en-US" xlink:label="lab_tlx_ValueOfShareholdingAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Value of Shareholding [Abstract]</link:label>
    <link:label id="lab_tlx_ValueOfShareholdingAbstract_label_en-US" xlink:label="lab_tlx_ValueOfShareholdingAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Value of Shareholding [Abstract]</link:label>
    <link:label id="lab_tlx_ValueOfShareholdingAbstract_documentation_en-US" xlink:label="lab_tlx_ValueOfShareholdingAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Value of Shareholding</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ValueOfShareholdingAbstract" xlink:href="tlx-20251231.xsd#tlx_ValueOfShareholdingAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ValueOfShareholdingAbstract" xlink:to="lab_tlx_ValueOfShareholdingAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_SecuredBorrowingsCurrent_019b0124-06b3-7452-bf8d-9bfaefa33058_totalLabel_en-US" xlink:label="lab_tlx_SecuredBorrowingsCurrent" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total secured borrowings current</link:label>
    <link:label id="lab_tlx_SecuredBorrowingsCurrent_label_en-US" xlink:label="lab_tlx_SecuredBorrowingsCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Secured Borrowings, Current</link:label>
    <link:label id="lab_tlx_SecuredBorrowingsCurrent_documentation_en-US" xlink:label="lab_tlx_SecuredBorrowingsCurrent" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">long-term, collateralized debt obligations due within one year or the operating cycle, if longer. Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_SecuredBorrowingsCurrent" xlink:href="tlx-20251231.xsd#tlx_SecuredBorrowingsCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_SecuredBorrowingsCurrent" xlink:to="lab_tlx_SecuredBorrowingsCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_DebtInstrumentMaximumBorrowingFacility_019b0124-06b3-766c-a081-226a4aac374d_terseLabel_en-US" xlink:label="lab_tlx_DebtInstrumentMaximumBorrowingFacility" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maximum borrowing facility</link:label>
    <link:label id="lab_tlx_DebtInstrumentMaximumBorrowingFacility_label_en-US" xlink:label="lab_tlx_DebtInstrumentMaximumBorrowingFacility" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Maximum Borrowing Facility</link:label>
    <link:label id="lab_tlx_DebtInstrumentMaximumBorrowingFacility_documentation_en-US" xlink:label="lab_tlx_DebtInstrumentMaximumBorrowingFacility" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of maximum borrowing facilities that may be available for operating activities and to settle capital commitments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_DebtInstrumentMaximumBorrowingFacility" xlink:href="tlx-20251231.xsd#tlx_DebtInstrumentMaximumBorrowingFacility"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_DebtInstrumentMaximumBorrowingFacility" xlink:to="lab_tlx_DebtInstrumentMaximumBorrowingFacility" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ChangeInAssetsAndLiabilitiesAbstract_019b0124-061c-7243-bc99-ba761b09033e_terseLabel_en-US" xlink:label="lab_tlx_ChangeInAssetsAndLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Change in assets and liabilities</link:label>
    <link:label id="lab_tlx_ChangeInAssetsAndLiabilitiesAbstract_label_en-US" xlink:label="lab_tlx_ChangeInAssetsAndLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Change in assets and liabilities [Abstract]</link:label>
    <link:label id="lab_tlx_ChangeInAssetsAndLiabilitiesAbstract_documentation_en-US" xlink:label="lab_tlx_ChangeInAssetsAndLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Change in assets and liabilities [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ChangeInAssetsAndLiabilitiesAbstract" xlink:href="tlx-20251231.xsd#tlx_ChangeInAssetsAndLiabilitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ChangeInAssetsAndLiabilitiesAbstract" xlink:to="lab_tlx_ChangeInAssetsAndLiabilitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_IncreaseThroughBusinessCombinationsLeaseLiabilities_019b0124-061c-7265-9d1d-20c777d1d0f5_terseLabel_en-US" xlink:label="lab_tlx_IncreaseThroughBusinessCombinationsLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Acquisition of businesses</link:label>
    <link:label id="lab_tlx_IncreaseThroughBusinessCombinationsLeaseLiabilities_label_en-US" xlink:label="lab_tlx_IncreaseThroughBusinessCombinationsLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase Through Business Combinations, Lease Liabilities</link:label>
    <link:label id="lab_tlx_IncreaseThroughBusinessCombinationsLeaseLiabilities_documentation_en-US" xlink:label="lab_tlx_IncreaseThroughBusinessCombinationsLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of lease liabilities increased through acquisition of business.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_IncreaseThroughBusinessCombinationsLeaseLiabilities" xlink:href="tlx-20251231.xsd#tlx_IncreaseThroughBusinessCombinationsLeaseLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_IncreaseThroughBusinessCombinationsLeaseLiabilities" xlink:to="lab_tlx_IncreaseThroughBusinessCombinationsLeaseLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ResearchAndDevelopmentCostsAbstract_019b0124-06b4-7d2c-9c2b-57608a2875d1_terseLabel_en-US" xlink:label="lab_tlx_ResearchAndDevelopmentCostsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Research and development costs [Abstract]</link:label>
    <link:label id="lab_tlx_ResearchAndDevelopmentCostsAbstract_label_en-US" xlink:label="lab_tlx_ResearchAndDevelopmentCostsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Research And Development Costs [Abstract]</link:label>
    <link:label id="lab_tlx_ResearchAndDevelopmentCostsAbstract_documentation_en-US" xlink:label="lab_tlx_ResearchAndDevelopmentCostsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Research and development costs [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ResearchAndDevelopmentCostsAbstract" xlink:href="tlx-20251231.xsd#tlx_ResearchAndDevelopmentCostsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ResearchAndDevelopmentCostsAbstract" xlink:to="lab_tlx_ResearchAndDevelopmentCostsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProceedsFromIssueOfBondsNotesAndDebentures_019b0124-061c-73c2-bbca-0f99193bbe4e_terseLabel_en-US" xlink:label="lab_ifrs-full_ProceedsFromIssueOfBondsNotesAndDebentures" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from issue of bonds, notes and debentures</link:label>
    <link:label id="lab_ifrs-full_ProceedsFromIssueOfBondsNotesAndDebentures_label_en-US" xlink:label="lab_ifrs-full_ProceedsFromIssueOfBondsNotesAndDebentures" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from issue of bonds, notes and debentures</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProceedsFromIssueOfBondsNotesAndDebentures" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProceedsFromIssueOfBondsNotesAndDebentures"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProceedsFromIssueOfBondsNotesAndDebentures" xlink:to="lab_ifrs-full_ProceedsFromIssueOfBondsNotesAndDebentures" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_SharesAllocatedToEmployeesValue_019b0124-06b4-774a-991a-80949504d3af_terseLabel_en-US" xlink:label="lab_tlx_SharesAllocatedToEmployeesValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Shares allocated to employees</link:label>
    <link:label id="lab_tlx_SharesAllocatedToEmployeesValue_label_en-US" xlink:label="lab_tlx_SharesAllocatedToEmployeesValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Shares Allocated To Employees, Value</link:label>
    <link:label id="lab_tlx_SharesAllocatedToEmployeesValue_documentation_en-US" xlink:label="lab_tlx_SharesAllocatedToEmployeesValue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of shares allocated to employees.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_SharesAllocatedToEmployeesValue" xlink:href="tlx-20251231.xsd#tlx_SharesAllocatedToEmployeesValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_SharesAllocatedToEmployeesValue" xlink:to="lab_tlx_SharesAllocatedToEmployeesValue" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ContingentOrDeferredConsiderationAsOfAcquisitionDate_019bfcf9-6eb8-789b-9a81-90bd49f7b4f6_negatedTerseLabel_en-US" xlink:label="lab_tlx_ContingentOrDeferredConsiderationAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Contingent or deferred consideration</link:label>
    <link:label id="lab_tlx_ContingentOrDeferredConsiderationAsOfAcquisitionDate_label_en-US" xlink:label="lab_tlx_ContingentOrDeferredConsiderationAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contingent Or Deferred Consideration As Of Acquisition Date</link:label>
    <link:label id="lab_tlx_ContingentOrDeferredConsiderationAsOfAcquisitionDate_documentation_en-US" xlink:label="lab_tlx_ContingentOrDeferredConsiderationAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Contingent Or Deferred Consideration As Of Acquisition Date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ContingentOrDeferredConsiderationAsOfAcquisitionDate" xlink:href="tlx-20251231.xsd#tlx_ContingentOrDeferredConsiderationAsOfAcquisitionDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ContingentOrDeferredConsiderationAsOfAcquisitionDate" xlink:to="lab_tlx_ContingentOrDeferredConsiderationAsOfAcquisitionDate" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AcquisitionsThroughBusinessCombinationsIntangibleAssetsAndGoodwill_019bfcd9-10f9-7ba9-9e3d-1590651f35c0_terseLabel_en-US" xlink:label="lab_ifrs-full_AcquisitionsThroughBusinessCombinationsIntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Acquisition of businesses</link:label>
    <link:label id="lab_ifrs-full_AcquisitionsThroughBusinessCombinationsIntangibleAssetsAndGoodwill_label_en-US" xlink:label="lab_ifrs-full_AcquisitionsThroughBusinessCombinationsIntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Acquisitions through business combinations, intangible assets and goodwill</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AcquisitionsThroughBusinessCombinationsIntangibleAssetsAndGoodwill" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AcquisitionsThroughBusinessCombinationsIntangibleAssetsAndGoodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AcquisitionsThroughBusinessCombinationsIntangibleAssetsAndGoodwill" xlink:to="lab_ifrs-full_AcquisitionsThroughBusinessCombinationsIntangibleAssetsAndGoodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentMember_019b0124-073c-73a0-9ce9-0e59b842e536_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current</link:label>
    <link:label id="lab_ifrs-full_CurrentMember_label_en-US" xlink:label="lab_ifrs-full_CurrentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentMember" xlink:to="lab_ifrs-full_CurrentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentPrepayments_019b0124-06b4-718d-b99d-863fee32e04c_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentPrepayments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Prepayments</link:label>
    <link:label id="lab_ifrs-full_CurrentPrepayments_label_en-US" xlink:label="lab_ifrs-full_CurrentPrepayments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current prepayments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentPrepayments" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentPrepayments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentPrepayments" xlink:to="lab_ifrs-full_CurrentPrepayments" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsAndGoodwill_019bfcdc-5d50-7b86-8f69-d2aa2b932913_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exchange differences</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsAndGoodwill_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) through net exchange differences, intangible assets and goodwill</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsAndGoodwill" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsAndGoodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsAndGoodwill" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsAndGoodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_StatementOfFinancialPositionAbstract_019b0124-06b3-705b-a852-6b5490edbfab_terseLabel_en-US" xlink:label="lab_ifrs-full_StatementOfFinancialPositionAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement of financial position [abstract]</link:label>
    <link:label id="lab_ifrs-full_StatementOfFinancialPositionAbstract_label_en-US" xlink:label="lab_ifrs-full_StatementOfFinancialPositionAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of financial position [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_StatementOfFinancialPositionAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_StatementOfFinancialPositionAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_StatementOfFinancialPositionAbstract" xlink:to="lab_ifrs-full_StatementOfFinancialPositionAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_NumberOfOptionsAbstract_019b0124-061c-7bf1-9a00-7cbcdaa4c773_terseLabel_en-US" xlink:label="lab_tlx_NumberOfOptionsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number</link:label>
    <link:label id="lab_tlx_NumberOfOptionsAbstract_label_en-US" xlink:label="lab_tlx_NumberOfOptionsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Options [Abstract]</link:label>
    <link:label id="lab_tlx_NumberOfOptionsAbstract_documentation_en-US" xlink:label="lab_tlx_NumberOfOptionsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of options [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_NumberOfOptionsAbstract" xlink:href="tlx-20251231.xsd#tlx_NumberOfOptionsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_NumberOfOptionsAbstract" xlink:to="lab_tlx_NumberOfOptionsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_DescriptionOfAccountingPolicyForSignificantChangesInTheCurrentReportingPeriodPolicyTextBlock_019b0124-06b4-72c7-b496-388e10f2ad0d_terseLabel_en-US" xlink:label="lab_tlx_DescriptionOfAccountingPolicyForSignificantChangesInTheCurrentReportingPeriodPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Significant changes in the current reporting period</link:label>
    <link:label id="lab_tlx_DescriptionOfAccountingPolicyForSignificantChangesInTheCurrentReportingPeriodPolicyTextBlock_label_en-US" xlink:label="lab_tlx_DescriptionOfAccountingPolicyForSignificantChangesInTheCurrentReportingPeriodPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description Of Accounting Policy For Significant Changes In The Current Reporting Period [Policy Text Block]</link:label>
    <link:label id="lab_tlx_DescriptionOfAccountingPolicyForSignificantChangesInTheCurrentReportingPeriodPolicyTextBlock_documentation_en-US" xlink:label="lab_tlx_DescriptionOfAccountingPolicyForSignificantChangesInTheCurrentReportingPeriodPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The description of the entity's material accounting policy information for significant changes in the current or prior reporting period.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_DescriptionOfAccountingPolicyForSignificantChangesInTheCurrentReportingPeriodPolicyTextBlock" xlink:href="tlx-20251231.xsd#tlx_DescriptionOfAccountingPolicyForSignificantChangesInTheCurrentReportingPeriodPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_DescriptionOfAccountingPolicyForSignificantChangesInTheCurrentReportingPeriodPolicyTextBlock" xlink:to="lab_tlx_DescriptionOfAccountingPolicyForSignificantChangesInTheCurrentReportingPeriodPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_CoverAbstract_019b0124-061c-733c-9d5e-26b058732e33_terseLabel_en-US" xlink:label="lab_dei_CoverAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cover [Abstract]</link:label>
    <link:label id="lab_dei_CoverAbstract_label_en-US" xlink:label="lab_dei_CoverAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cover [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CoverAbstract" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CoverAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_CoverAbstract" xlink:to="lab_dei_CoverAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_MaximumMember_019c7601-84e2-7b13-bcc8-47fbfc511bcd_terseLabel_en-US" xlink:label="lab_srt_MaximumMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maximum</link:label>
    <link:label id="lab_srt_MaximumMember_label_en-US" xlink:label="lab_srt_MaximumMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maximum [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_MaximumMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_MaximumMember" xlink:to="lab_srt_MaximumMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_TelixPharmaceuticalsSingaporePteLtdMember_019b0124-06b3-7a23-94ab-40fa8ac8add7_terseLabel_en-US" xlink:label="lab_tlx_TelixPharmaceuticalsSingaporePteLtdMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Telix Pharmaceuticals (Singapore) Pte Ltd</link:label>
    <link:label id="lab_tlx_TelixPharmaceuticalsSingaporePteLtdMember_label_en-US" xlink:label="lab_tlx_TelixPharmaceuticalsSingaporePteLtdMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Telix Pharmaceuticals (Singapore) Pte Ltd [Member]</link:label>
    <link:label id="lab_tlx_TelixPharmaceuticalsSingaporePteLtdMember_documentation_en-US" xlink:label="lab_tlx_TelixPharmaceuticalsSingaporePteLtdMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The name of the entity which is controlled by another entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_TelixPharmaceuticalsSingaporePteLtdMember" xlink:href="tlx-20251231.xsd#tlx_TelixPharmaceuticalsSingaporePteLtdMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_TelixPharmaceuticalsSingaporePteLtdMember" xlink:to="lab_tlx_TelixPharmaceuticalsSingaporePteLtdMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ConsiderationReceivedInContractLiabilities_019b0124-061c-7949-8004-f4628fdcff15_terseLabel_en-US" xlink:label="lab_tlx_ConsiderationReceivedInContractLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Consideration received</link:label>
    <link:label id="lab_tlx_ConsiderationReceivedInContractLiabilities_label_en-US" xlink:label="lab_tlx_ConsiderationReceivedInContractLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Consideration received in contract liabilities</link:label>
    <link:label id="lab_tlx_ConsiderationReceivedInContractLiabilities_documentation_en-US" xlink:label="lab_tlx_ConsiderationReceivedInContractLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of an entity's obligation to transfer goods or services to a customer for which the entity has received consideration.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ConsiderationReceivedInContractLiabilities" xlink:href="tlx-20251231.xsd#tlx_ConsiderationReceivedInContractLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ConsiderationReceivedInContractLiabilities" xlink:to="lab_tlx_ConsiderationReceivedInContractLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_TaxEffectOfRemeasurementOfProvisions_019b0124-061c-78ba-95b9-2ed571219dcb_terseLabel_en-US" xlink:label="lab_tlx_TaxEffectOfRemeasurementOfProvisions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Remeasurement of provisions</link:label>
    <link:label id="lab_tlx_TaxEffectOfRemeasurementOfProvisions_label_en-US" xlink:label="lab_tlx_TaxEffectOfRemeasurementOfProvisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax Effect Of Remeasurement Of Provisions</link:label>
    <link:label id="lab_tlx_TaxEffectOfRemeasurementOfProvisions_documentation_en-US" xlink:label="lab_tlx_TaxEffectOfRemeasurementOfProvisions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount that represents the difference between the tax expense (income) and the product of the accounting profit multiplied by the applicable tax rate(s) that relates to remeasurement of provisions.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_TaxEffectOfRemeasurementOfProvisions" xlink:href="tlx-20251231.xsd#tlx_TaxEffectOfRemeasurementOfProvisions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_TaxEffectOfRemeasurementOfProvisions" xlink:to="lab_tlx_TaxEffectOfRemeasurementOfProvisions" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_NetInvestmentInSubsidiaries_019c468b-deb2-79f8-994b-2f8dcafba2a3_terseLabel_en-US" xlink:label="lab_tlx_NetInvestmentInSubsidiaries" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net investment in subsidiaries</link:label>
    <link:label id="lab_tlx_NetInvestmentInSubsidiaries_label_en-US" xlink:label="lab_tlx_NetInvestmentInSubsidiaries" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Investment in Subsidiaries</link:label>
    <link:label id="lab_tlx_NetInvestmentInSubsidiaries_documentation_en-US" xlink:label="lab_tlx_NetInvestmentInSubsidiaries" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Net Investment in Subsidiaries</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_NetInvestmentInSubsidiaries" xlink:href="tlx-20251231.xsd#tlx_NetInvestmentInSubsidiaries"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_NetInvestmentInSubsidiaries" xlink:to="lab_tlx_NetInvestmentInSubsidiaries" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory_019b0124-06b4-702c-8d35-f667d47dda5a_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provisions</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for provisions [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis_019b0124-073c-77ae-a2b3-f2e5316eca11_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of intangible assets other than goodwill [axis]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of intangible assets other than goodwill [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis" xlink:to="lab_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TradeReceivables_019b0124-06b3-7199-b256-398425b9c96f_terseLabel_en-US" xlink:label="lab_ifrs-full_TradeReceivables" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trade receivables</link:label>
    <link:label id="lab_ifrs-full_TradeReceivables_label_en-US" xlink:label="lab_ifrs-full_TradeReceivables" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trade receivables</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TradeReceivables" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TradeReceivables"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TradeReceivables" xlink:to="lab_ifrs-full_TradeReceivables" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_UpfrontCashTransferredAsOfAcquisitionDate_019b9dd8-cd41-7383-a847-b83aaa6542d4_terseLabel_en-US" xlink:label="lab_tlx_UpfrontCashTransferredAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Additional upfront paid</link:label>
    <link:label id="lab_tlx_UpfrontCashTransferredAsOfAcquisitionDate_label_en-US" xlink:label="lab_tlx_UpfrontCashTransferredAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Upfront Cash Transferred As Of Acquisition Date</link:label>
    <link:label id="lab_tlx_UpfrontCashTransferredAsOfAcquisitionDate_documentation_en-US" xlink:label="lab_tlx_UpfrontCashTransferredAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Upfront Cash Transferred As Of Acquisition Date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_UpfrontCashTransferredAsOfAcquisitionDate" xlink:href="tlx-20251231.xsd#tlx_UpfrontCashTransferredAsOfAcquisitionDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_UpfrontCashTransferredAsOfAcquisitionDate" xlink:to="lab_tlx_UpfrontCashTransferredAsOfAcquisitionDate" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityShellCompany_019b0124-06b4-713c-b23a-108161ece9ea_terseLabel_en-US" xlink:label="lab_dei_EntityShellCompany" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Shell Company</link:label>
    <link:label id="lab_dei_EntityShellCompany_label_en-US" xlink:label="lab_dei_EntityShellCompany" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Shell Company</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityShellCompany" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityShellCompany"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityShellCompany" xlink:to="lab_dei_EntityShellCompany" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract_019b0124-06b3-7435-9ef3-553423628ff5_terseLabel_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash flows from financing activities</link:label>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash flows from (used in) financing activities [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract" xlink:to="lab_ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentBondsIssuedAndCurrentPortionOfNoncurrentBondsIssued_019b0124-073c-777f-8891-8a893c7cb2de_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentBondsIssuedAndCurrentPortionOfNoncurrentBondsIssued" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current unsecured convertible bonds</link:label>
    <link:label id="lab_ifrs-full_CurrentBondsIssuedAndCurrentPortionOfNoncurrentBondsIssued_label_en-US" xlink:label="lab_ifrs-full_CurrentBondsIssuedAndCurrentPortionOfNoncurrentBondsIssued" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current bonds issued and current portion of non-current bonds issued</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentBondsIssuedAndCurrentPortionOfNoncurrentBondsIssued" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentBondsIssuedAndCurrentPortionOfNoncurrentBondsIssued"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentBondsIssuedAndCurrentPortionOfNoncurrentBondsIssued" xlink:to="lab_ifrs-full_CurrentBondsIssuedAndCurrentPortionOfNoncurrentBondsIssued" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ContractLiabilitiesAbstract_019b0124-06b4-7788-b411-b37b19202a74_terseLabel_en-US" xlink:label="lab_ifrs-full_ContractLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contract liabilities [abstract]</link:label>
    <link:label id="lab_ifrs-full_ContractLiabilitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_ContractLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contract liabilities [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ContractLiabilitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ContractLiabilitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ContractLiabilitiesAbstract" xlink:to="lab_ifrs-full_ContractLiabilitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfLiabilitiesDomain_019c54c7-3520-78a8-a214-eeb53ca36e0b_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfLiabilitiesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of liabilities [domain]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfLiabilitiesDomain_label_en-US" xlink:label="lab_ifrs-full_ClassesOfLiabilitiesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of liabilities [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfLiabilitiesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfLiabilitiesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfLiabilitiesDomain" xlink:to="lab_ifrs-full_ClassesOfLiabilitiesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_NonCurrentContingentConsideration_019b0124-06b4-7bc0-9b69-f5c98ae4ef21_terseLabel_en-US" xlink:label="lab_tlx_NonCurrentContingentConsideration" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contingent consideration</link:label>
    <link:label id="lab_tlx_NonCurrentContingentConsideration_019b0124-06b4-7535-b1b2-4f40132659d6_verboseLabel_en-US" xlink:label="lab_tlx_NonCurrentContingentConsideration" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Non-current</link:label>
    <link:label id="lab_tlx_NonCurrentContingentConsideration_label_en-US" xlink:label="lab_tlx_NonCurrentContingentConsideration" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-Current Contingent Consideration</link:label>
    <link:label id="lab_tlx_NonCurrentContingentConsideration_documentation_en-US" xlink:label="lab_tlx_NonCurrentContingentConsideration" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The non-current portion of non-current contingent consideration.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_NonCurrentContingentConsideration" xlink:href="tlx-20251231.xsd#tlx_NonCurrentContingentConsideration"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_NonCurrentContingentConsideration" xlink:to="lab_tlx_NonCurrentContingentConsideration" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ComprehensiveIncome_019b0124-061c-72a8-8454-ef2067f573f9_totalLabel_en-US" xlink:label="lab_ifrs-full_ComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total comprehensive (loss)/income for the year</link:label>
    <link:label id="lab_ifrs-full_ComprehensiveIncome_label_en-US" xlink:label="lab_ifrs-full_ComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Comprehensive income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComprehensiveIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComprehensiveIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComprehensiveIncome" xlink:to="lab_ifrs-full_ComprehensiveIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DilutedEarningsLossPerShareFromContinuingOperations_019b0124-061c-7cd8-8c7b-ea98efcb18a5_terseLabel_en-US" xlink:label="lab_ifrs-full_DilutedEarningsLossPerShareFromContinuingOperations" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Diluted (loss)/earnings per share from continuing operations attributable to the ordinary equity holders of the Company (in dollars per share)</link:label>
    <link:label id="lab_ifrs-full_DilutedEarningsLossPerShareFromContinuingOperations_label_en-US" xlink:label="lab_ifrs-full_DilutedEarningsLossPerShareFromContinuingOperations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Diluted earnings (loss) per share from continuing operations</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DilutedEarningsLossPerShareFromContinuingOperations" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DilutedEarningsLossPerShareFromContinuingOperations"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DilutedEarningsLossPerShareFromContinuingOperations" xlink:to="lab_ifrs-full_DilutedEarningsLossPerShareFromContinuingOperations" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_TenPercentDecreaseMember_019bea1c-d31a-785b-be8d-85a534082dc2_terseLabel_en-US" xlink:label="lab_tlx_TenPercentDecreaseMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">-10%</link:label>
    <link:label id="lab_tlx_TenPercentDecreaseMember_label_en-US" xlink:label="lab_tlx_TenPercentDecreaseMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Ten Percent Decrease [Member]</link:label>
    <link:label id="lab_tlx_TenPercentDecreaseMember_documentation_en-US" xlink:label="lab_tlx_TenPercentDecreaseMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Ten Percent Decrease</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_TenPercentDecreaseMember" xlink:href="tlx-20251231.xsd#tlx_TenPercentDecreaseMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_TenPercentDecreaseMember" xlink:to="lab_tlx_TenPercentDecreaseMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_WorkInProgress_019b0124-073c-7316-ab35-a113aa4224a1_terseLabel_en-US" xlink:label="lab_ifrs-full_WorkInProgress" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Work in progress</link:label>
    <link:label id="lab_ifrs-full_WorkInProgress_label_en-US" xlink:label="lab_ifrs-full_WorkInProgress" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current work in progress</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WorkInProgress" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WorkInProgress"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WorkInProgress" xlink:to="lab_ifrs-full_WorkInProgress" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory_019c63e0-814c-784e-b88a-c7dfb1e44584_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Basis of preparation</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of basis of preparation of financial statements [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_SecuredBorrowingsNonCurrent_019b0124-061c-7d82-9554-2dac31f24d17_totalLabel_en-US" xlink:label="lab_tlx_SecuredBorrowingsNonCurrent" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total secured borrowings non current</link:label>
    <link:label id="lab_tlx_SecuredBorrowingsNonCurrent_label_en-US" xlink:label="lab_tlx_SecuredBorrowingsNonCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Secured Borrowings, Non Current</link:label>
    <link:label id="lab_tlx_SecuredBorrowingsNonCurrent_documentation_en-US" xlink:label="lab_tlx_SecuredBorrowingsNonCurrent" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of collateralized debt obligations with maturities initially due after one year or beyond the operating cycle, if longer, excluding the current portion. Obligations include, but not limited to, mortgage loans, chattel loans, and other borrowings secured by assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_SecuredBorrowingsNonCurrent" xlink:href="tlx-20251231.xsd#tlx_SecuredBorrowingsNonCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_SecuredBorrowingsNonCurrent" xlink:to="lab_tlx_SecuredBorrowingsNonCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_Phase3Member_019bfc9d-26c1-7fc5-ba7b-c5e6fb407b40_terseLabel_en-US" xlink:label="lab_tlx_Phase3Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Phase 3</link:label>
    <link:label id="lab_tlx_Phase3Member_label_en-US" xlink:label="lab_tlx_Phase3Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Phase 3 [Member]</link:label>
    <link:label id="lab_tlx_Phase3Member_documentation_en-US" xlink:label="lab_tlx_Phase3Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Phase 3</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_Phase3Member" xlink:href="tlx-20251231.xsd#tlx_Phase3Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_Phase3Member" xlink:to="lab_tlx_Phase3Member" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentFiscalPeriodFocus_019b0124-061c-727e-96cc-6dcb5dddde8e_terseLabel_en-US" xlink:label="lab_dei_DocumentFiscalPeriodFocus" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Fiscal Period Focus</link:label>
    <link:label id="lab_dei_DocumentFiscalPeriodFocus_label_en-US" xlink:label="lab_dei_DocumentFiscalPeriodFocus" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Fiscal Period Focus</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalPeriodFocus" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentFiscalPeriodFocus"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentFiscalPeriodFocus" xlink:to="lab_dei_DocumentFiscalPeriodFocus" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForTaxesOtherThanIncomeTaxExplanatory_019b0124-061c-785e-9778-e90bfda273ce_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForTaxesOtherThanIncomeTaxExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Sales taxes and Goods and Services Tax (GST)</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForTaxesOtherThanIncomeTaxExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForTaxesOtherThanIncomeTaxExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for taxes other than income tax [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForTaxesOtherThanIncomeTaxExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForTaxesOtherThanIncomeTaxExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForTaxesOtherThanIncomeTaxExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForTaxesOtherThanIncomeTaxExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Assets_019b0124-06b4-7414-be3b-b12f3d66e3bd_totalLabel_en-US" xlink:label="lab_ifrs-full_Assets" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total assets</link:label>
    <link:label id="lab_ifrs-full_Assets_label_en-US" xlink:label="lab_ifrs-full_Assets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Assets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Assets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Assets" xlink:to="lab_ifrs-full_Assets" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ApprovalForMarketingAuthorizationProbabilitySuccessFactorMember_019b0124-061c-73e0-94d0-9bbcb59129e7_terseLabel_en-US" xlink:label="lab_tlx_ApprovalForMarketingAuthorizationProbabilitySuccessFactorMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Approval for marketing authorization probability success factor</link:label>
    <link:label id="lab_tlx_ApprovalForMarketingAuthorizationProbabilitySuccessFactorMember_label_en-US" xlink:label="lab_tlx_ApprovalForMarketingAuthorizationProbabilitySuccessFactorMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Approval For Marketing Authorization Probability Success Factor [Member]</link:label>
    <link:label id="lab_tlx_ApprovalForMarketingAuthorizationProbabilitySuccessFactorMember_documentation_en-US" xlink:label="lab_tlx_ApprovalForMarketingAuthorizationProbabilitySuccessFactorMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for approval for marketing authorization probability success factor used as a measurement input.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ApprovalForMarketingAuthorizationProbabilitySuccessFactorMember" xlink:href="tlx-20251231.xsd#tlx_ApprovalForMarketingAuthorizationProbabilitySuccessFactorMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ApprovalForMarketingAuthorizationProbabilitySuccessFactorMember" xlink:to="lab_tlx_ApprovalForMarketingAuthorizationProbabilitySuccessFactorMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AmountsRecognisedAsOfAcquisitionDateForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract_019b0124-061c-70d2-b354-412bd4a2296a_terseLabel_en-US" xlink:label="lab_ifrs-full_AmountsRecognisedAsOfAcquisitionDateForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Recognized amounts of identifiable assets acquired and liabilities assumed</link:label>
    <link:label id="lab_ifrs-full_AmountsRecognisedAsOfAcquisitionDateForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract_label_en-US" xlink:label="lab_ifrs-full_AmountsRecognisedAsOfAcquisitionDateForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amounts recognised as of acquisition date for each major class of assets acquired and liabilities assumed [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AmountsRecognisedAsOfAcquisitionDateForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AmountsRecognisedAsOfAcquisitionDateForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AmountsRecognisedAsOfAcquisitionDateForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract" xlink:to="lab_ifrs-full_AmountsRecognisedAsOfAcquisitionDateForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory_019b0124-073c-7448-a412-b456e6f85a91_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income tax</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for income tax [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_RLSMember_019b3af6-84e4-7f20-9854-4913526e82dd_terseLabel_en-US" xlink:label="lab_tlx_RLSMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">RLS</link:label>
    <link:label id="lab_tlx_RLSMember_label_en-US" xlink:label="lab_tlx_RLSMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">RLS [Member]</link:label>
    <link:label id="lab_tlx_RLSMember_documentation_en-US" xlink:label="lab_tlx_RLSMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">RLS</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_RLSMember" xlink:href="tlx-20251231.xsd#tlx_RLSMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_RLSMember" xlink:to="lab_tlx_RLSMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_CorporateInformationAbstract_019b0124-061c-7a4e-9a3a-5efd210eb2d1_terseLabel_en-US" xlink:label="lab_tlx_CorporateInformationAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Corporate information [Abstract]</link:label>
    <link:label id="lab_tlx_CorporateInformationAbstract_label_en-US" xlink:label="lab_tlx_CorporateInformationAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Corporate Information [Abstract]</link:label>
    <link:label id="lab_tlx_CorporateInformationAbstract_documentation_en-US" xlink:label="lab_tlx_CorporateInformationAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Corporate information [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_CorporateInformationAbstract" xlink:href="tlx-20251231.xsd#tlx_CorporateInformationAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_CorporateInformationAbstract" xlink:to="lab_tlx_CorporateInformationAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_WeightedAverageExercisePriceOfShareOptionsExpiredAndForfeitedInShareBasedPaymentArrangement_019b0124-06b4-7a2d-ab1f-3e3a49499155_terseLabel_en-US" xlink:label="lab_tlx_WeightedAverageExercisePriceOfShareOptionsExpiredAndForfeitedInShareBasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lapsed/forfeited during the year (in AUD/USD per share)</link:label>
    <link:label id="lab_tlx_WeightedAverageExercisePriceOfShareOptionsExpiredAndForfeitedInShareBasedPaymentArrangement_label_en-US" xlink:label="lab_tlx_WeightedAverageExercisePriceOfShareOptionsExpiredAndForfeitedInShareBasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted Average Exercise Price Of Share Options Expired And Forfeited In Share-Based Payment Arrangement</link:label>
    <link:label id="lab_tlx_WeightedAverageExercisePriceOfShareOptionsExpiredAndForfeitedInShareBasedPaymentArrangement_documentation_en-US" xlink:label="lab_tlx_WeightedAverageExercisePriceOfShareOptionsExpiredAndForfeitedInShareBasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The weighted average exercise price of share options expired and forfeited in a share-based payment arrangement. [Refer: Weighted average [member]]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_WeightedAverageExercisePriceOfShareOptionsExpiredAndForfeitedInShareBasedPaymentArrangement" xlink:href="tlx-20251231.xsd#tlx_WeightedAverageExercisePriceOfShareOptionsExpiredAndForfeitedInShareBasedPaymentArrangement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_WeightedAverageExercisePriceOfShareOptionsExpiredAndForfeitedInShareBasedPaymentArrangement" xlink:to="lab_tlx_WeightedAverageExercisePriceOfShareOptionsExpiredAndForfeitedInShareBasedPaymentArrangement" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SignificantInvestmentsInAssociatesDomain_019b0124-061c-7cc3-955c-c3fce60be732_terseLabel_en-US" xlink:label="lab_ifrs-full_SignificantInvestmentsInAssociatesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Associates [domain]</link:label>
    <link:label id="lab_ifrs-full_SignificantInvestmentsInAssociatesDomain_label_en-US" xlink:label="lab_ifrs-full_SignificantInvestmentsInAssociatesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Associates [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SignificantInvestmentsInAssociatesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SignificantInvestmentsInAssociatesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SignificantInvestmentsInAssociatesDomain" xlink:to="lab_ifrs-full_SignificantInvestmentsInAssociatesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CostOfSalesMember_019be8f0-6b3c-7d35-8b62-093594a33233_terseLabel_en-US" xlink:label="lab_ifrs-full_CostOfSalesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cost of Sales</link:label>
    <link:label id="lab_ifrs-full_CostOfSalesMember_label_en-US" xlink:label="lab_ifrs-full_CostOfSalesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cost of sales [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CostOfSalesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CostOfSalesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CostOfSalesMember" xlink:to="lab_ifrs-full_CostOfSalesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory_019b0124-073c-7d8a-9e2f-2bbfbf2beaca_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Business combinations</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for business combinations [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CreditRiskMember_019b0124-061c-7a15-a986-7f95651aaabc_terseLabel_en-US" xlink:label="lab_ifrs-full_CreditRiskMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Credit risk</link:label>
    <link:label id="lab_ifrs-full_CreditRiskMember_label_en-US" xlink:label="lab_ifrs-full_CreditRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Credit risk [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CreditRiskMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CreditRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CreditRiskMember" xlink:to="lab_ifrs-full_CreditRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_TradingSymbol_019b0124-06b3-7901-910e-c98a0d7e1c4b_terseLabel_en-US" xlink:label="lab_dei_TradingSymbol" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trading Symbol</link:label>
    <link:label id="lab_dei_TradingSymbol_label_en-US" xlink:label="lab_dei_TradingSymbol" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trading Symbol</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_TradingSymbol"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_TradingSymbol" xlink:to="lab_dei_TradingSymbol" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ContingentConsiderationAbstract_019b0124-06b3-7b68-8430-e5530e7842dc_terseLabel_en-US" xlink:label="lab_tlx_ContingentConsiderationAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contingent consideration [Abstract]</link:label>
    <link:label id="lab_tlx_ContingentConsiderationAbstract_label_en-US" xlink:label="lab_tlx_ContingentConsiderationAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contingent Consideration [Abstract]</link:label>
    <link:label id="lab_tlx_ContingentConsiderationAbstract_documentation_en-US" xlink:label="lab_tlx_ContingentConsiderationAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Contingent consideration [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ContingentConsiderationAbstract" xlink:href="tlx-20251231.xsd#tlx_ContingentConsiderationAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ContingentConsiderationAbstract" xlink:to="lab_tlx_ContingentConsiderationAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GoodsOrServicesTransferredAtPointInTimeMember_019b0124-061c-7565-8a16-d6649066724a_terseLabel_en-US" xlink:label="lab_ifrs-full_GoodsOrServicesTransferredAtPointInTimeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">At a point in time</link:label>
    <link:label id="lab_ifrs-full_GoodsOrServicesTransferredAtPointInTimeMember_label_en-US" xlink:label="lab_ifrs-full_GoodsOrServicesTransferredAtPointInTimeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goods or services transferred at point in time [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GoodsOrServicesTransferredAtPointInTimeMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GoodsOrServicesTransferredAtPointInTimeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GoodsOrServicesTransferredAtPointInTimeMember" xlink:to="lab_ifrs-full_GoodsOrServicesTransferredAtPointInTimeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Revenue_019b0124-06b3-7052-8745-b368f0a9f4c7_totalLabel_en-US" xlink:label="lab_ifrs-full_Revenue" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total revenue from continuing operations</link:label>
    <link:label id="lab_ifrs-full_Revenue_label_en-US" xlink:label="lab_ifrs-full_Revenue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Revenue" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Revenue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Revenue" xlink:to="lab_ifrs-full_Revenue" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfBusinessCombinationsAbstract_019b0124-06b3-7a33-8967-d56725af803e_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfBusinessCombinationsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about business combination [abstract]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfBusinessCombinationsAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfBusinessCombinationsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about business combination [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfBusinessCombinationsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfBusinessCombinationsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfBusinessCombinationsAbstract" xlink:to="lab_ifrs-full_DisclosureOfBusinessCombinationsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_NonCurrentBorrowingsOverPayments_019b0124-06b3-7ff5-a0e5-e8e617fea2c6_terseLabel_en-US" xlink:label="lab_tlx_NonCurrentBorrowingsOverPayments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Due later than one year</link:label>
    <link:label id="lab_tlx_NonCurrentBorrowingsOverPayments_label_en-US" xlink:label="lab_tlx_NonCurrentBorrowingsOverPayments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-current Borrowings Over Payments</link:label>
    <link:label id="lab_tlx_NonCurrentBorrowingsOverPayments_documentation_en-US" xlink:label="lab_tlx_NonCurrentBorrowingsOverPayments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The non-current portion of non-current borrowings(overpayments).</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_NonCurrentBorrowingsOverPayments" xlink:href="tlx-20251231.xsd#tlx_NonCurrentBorrowingsOverPayments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_NonCurrentBorrowingsOverPayments" xlink:to="lab_tlx_NonCurrentBorrowingsOverPayments" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityAddressCityOrTown_019b0124-06b3-735f-a9b3-f4bc04330692_terseLabel_en-US" xlink:label="lab_dei_EntityAddressCityOrTown" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Address, City or Town</link:label>
    <link:label id="lab_dei_EntityAddressCityOrTown_label_en-US" xlink:label="lab_dei_EntityAddressCityOrTown" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Address, City or Town</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressCityOrTown"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressCityOrTown" xlink:to="lab_dei_EntityAddressCityOrTown" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_UnrealizedForeignExchangeGainsLosses_019bbf6b-01df-700e-bffc-c4eeae785a66_negatedTerseLabel_en-US" xlink:label="lab_tlx_UnrealizedForeignExchangeGainsLosses" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Unrealized currency gain/(loss)</link:label>
    <link:label id="lab_tlx_UnrealizedForeignExchangeGainsLosses_label_en-US" xlink:label="lab_tlx_UnrealizedForeignExchangeGainsLosses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unrealized Foreign Exchange Gains (Losses)</link:label>
    <link:label id="lab_tlx_UnrealizedForeignExchangeGainsLosses_documentation_en-US" xlink:label="lab_tlx_UnrealizedForeignExchangeGainsLosses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of unrealized foreign exchange losses (gains).</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_UnrealizedForeignExchangeGainsLosses" xlink:href="tlx-20251231.xsd#tlx_UnrealizedForeignExchangeGainsLosses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_UnrealizedForeignExchangeGainsLosses" xlink:to="lab_tlx_UnrealizedForeignExchangeGainsLosses" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_DisclosureOfInformationAboutLeaseLiabilitiesTextBlock_019b0124-061c-79b6-a59d-3a9b166fe916_terseLabel_en-US" xlink:label="lab_tlx_DisclosureOfInformationAboutLeaseLiabilitiesTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Lease Liabilities</link:label>
    <link:label id="lab_tlx_DisclosureOfInformationAboutLeaseLiabilitiesTextBlock_label_en-US" xlink:label="lab_tlx_DisclosureOfInformationAboutLeaseLiabilitiesTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Information About Lease Liabilities [Text Block]</link:label>
    <link:label id="lab_tlx_DisclosureOfInformationAboutLeaseLiabilitiesTextBlock_documentation_en-US" xlink:label="lab_tlx_DisclosureOfInformationAboutLeaseLiabilitiesTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of information about lease liabilities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_DisclosureOfInformationAboutLeaseLiabilitiesTextBlock" xlink:href="tlx-20251231.xsd#tlx_DisclosureOfInformationAboutLeaseLiabilitiesTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_DisclosureOfInformationAboutLeaseLiabilitiesTextBlock" xlink:to="lab_tlx_DisclosureOfInformationAboutLeaseLiabilitiesTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfBorrowingsExplanatory_019b0124-06b3-76a1-bce0-f71511c04112_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfBorrowingsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowings</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfBorrowingsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfBorrowingsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of borrowings [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfBorrowingsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfBorrowingsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfBorrowingsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfBorrowingsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_InformationTechnologyInfrastructureHostingAndSupportExpenses_019b0124-061c-7536-94e4-158bc455596f_terseLabel_en-US" xlink:label="lab_tlx_InformationTechnologyInfrastructureHostingAndSupportExpenses" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">IT infrastructure, hosting and support</link:label>
    <link:label id="lab_tlx_InformationTechnologyInfrastructureHostingAndSupportExpenses_label_en-US" xlink:label="lab_tlx_InformationTechnologyInfrastructureHostingAndSupportExpenses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Information Technology Infrastructure Hosting And SupportExpenses</link:label>
    <link:label id="lab_tlx_InformationTechnologyInfrastructureHostingAndSupportExpenses_documentation_en-US" xlink:label="lab_tlx_InformationTechnologyInfrastructureHostingAndSupportExpenses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of expense recognised on information technology infrastructure, hosting and support services.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_InformationTechnologyInfrastructureHostingAndSupportExpenses" xlink:href="tlx-20251231.xsd#tlx_InformationTechnologyInfrastructureHostingAndSupportExpenses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_InformationTechnologyInfrastructureHostingAndSupportExpenses" xlink:to="lab_tlx_InformationTechnologyInfrastructureHostingAndSupportExpenses" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IssuedCapitalMember_019b0124-06b3-7017-a8d0-09aa7cbfc40f_terseLabel_en-US" xlink:label="lab_ifrs-full_IssuedCapitalMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share capital</link:label>
    <link:label id="lab_ifrs-full_IssuedCapitalMember_label_en-US" xlink:label="lab_ifrs-full_IssuedCapitalMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Issued capital [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IssuedCapitalMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IssuedCapitalMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IssuedCapitalMember" xlink:to="lab_ifrs-full_IssuedCapitalMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ABXCROMember_019b0124-06b3-7153-804e-0bd4d811d786_terseLabel_en-US" xlink:label="lab_tlx_ABXCROMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">ABX-CRO</link:label>
    <link:label id="lab_tlx_ABXCROMember_label_en-US" xlink:label="lab_tlx_ABXCROMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ABX-CRO [Member]</link:label>
    <link:label id="lab_tlx_ABXCROMember_documentation_en-US" xlink:label="lab_tlx_ABXCROMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">An entity associated with one or more key management personnel of the reporting entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ABXCROMember" xlink:href="tlx-20251231.xsd#tlx_ABXCROMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ABXCROMember" xlink:to="lab_tlx_ABXCROMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ShorttermBorrowings_019b0124-06b3-769e-9251-5a8aadd00e1c_terseLabel_en-US" xlink:label="lab_ifrs-full_ShorttermBorrowings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowings</link:label>
    <link:label id="lab_ifrs-full_ShorttermBorrowings_019b0124-06b3-7ee7-9fb6-21fb4d6db2d8_totalLabel_en-US" xlink:label="lab_ifrs-full_ShorttermBorrowings" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total borrowings current</link:label>
    <link:label id="lab_ifrs-full_ShorttermBorrowings_019b0124-06b3-7639-b1b5-32e435188392_verboseLabel_en-US" xlink:label="lab_ifrs-full_ShorttermBorrowings" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Due within one year</link:label>
    <link:label id="lab_ifrs-full_ShorttermBorrowings_019b3b24-1518-7de1-87d7-0ddf0dffb426_netLabel_en-US" xlink:label="lab_ifrs-full_ShorttermBorrowings" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:type="resource" xml:lang="en-US">Current</link:label>
    <link:label id="lab_ifrs-full_ShorttermBorrowings_label_en-US" xlink:label="lab_ifrs-full_ShorttermBorrowings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current borrowings</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ShorttermBorrowings" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ShorttermBorrowings"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ShorttermBorrowings" xlink:to="lab_ifrs-full_ShorttermBorrowings" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome_019bea39-7c8a-74b7-83af-1d62017833f7_periodStartLabel_en-US" xlink:label="lab_ifrs-full_ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Beginning balance</link:label>
    <link:label id="lab_ifrs-full_ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome_019bea39-8f1f-73e1-8450-f233ae3b5181_periodEndLabel_en-US" xlink:label="lab_ifrs-full_ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Ending balance</link:label>
    <link:label id="lab_ifrs-full_ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome_label_en-US" xlink:label="lab_ifrs-full_ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reserve of gains and losses on financial assets measured at fair value through other comprehensive income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" xlink:to="lab_ifrs-full_ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherNoncurrentLiabilities_019b35a4-861f-7687-aab8-c6e348ed8cd6_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherNoncurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other non-current liabilities</link:label>
    <link:label id="lab_ifrs-full_OtherNoncurrentLiabilities_019c54dd-a020-731f-8ebe-5e959838663c_negatedLabel_en-US" xlink:label="lab_ifrs-full_OtherNoncurrentLiabilities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Other non-current liabilities</link:label>
    <link:label id="lab_ifrs-full_OtherNoncurrentLiabilities_019c5e6c-cbf0-7835-83cd-36f7aec2a714_verboseLabel_en-US" xlink:label="lab_ifrs-full_OtherNoncurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Other non-current liabilities, carrying amount</link:label>
    <link:label id="lab_ifrs-full_OtherNoncurrentLiabilities_label_en-US" xlink:label="lab_ifrs-full_OtherNoncurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other non-current liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherNoncurrentLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherNoncurrentLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherNoncurrentLiabilities" xlink:to="lab_ifrs-full_OtherNoncurrentLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfOtherProvisionsDomain_019b3b56-2302-7ae1-998e-73ed0ed6b665_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfOtherProvisionsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of other provisions [domain]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfOtherProvisionsDomain_label_en-US" xlink:label="lab_ifrs-full_ClassesOfOtherProvisionsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of other provisions [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfOtherProvisionsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfOtherProvisionsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfOtherProvisionsDomain" xlink:to="lab_ifrs-full_ClassesOfOtherProvisionsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_BorrowingFacilitiesMaximumBorrowingCapacity_019be93e-a3ba-7c16-97b3-321fc3519ab4_terseLabel_en-US" xlink:label="lab_tlx_BorrowingFacilitiesMaximumBorrowingCapacity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Facility limit</link:label>
    <link:label id="lab_tlx_BorrowingFacilitiesMaximumBorrowingCapacity_label_en-US" xlink:label="lab_tlx_BorrowingFacilitiesMaximumBorrowingCapacity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowing Facilities, Maximum Borrowing Capacity</link:label>
    <link:label id="lab_tlx_BorrowingFacilitiesMaximumBorrowingCapacity_documentation_en-US" xlink:label="lab_tlx_BorrowingFacilitiesMaximumBorrowingCapacity" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Borrowing Facilities, Maximum Borrowing Capacity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_BorrowingFacilitiesMaximumBorrowingCapacity" xlink:href="tlx-20251231.xsd#tlx_BorrowingFacilitiesMaximumBorrowingCapacity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_BorrowingFacilitiesMaximumBorrowingCapacity" xlink:to="lab_tlx_BorrowingFacilitiesMaximumBorrowingCapacity" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherReservesMember_019b0124-06b3-7c5a-a392-ada3c5ed5045_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherReservesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other reserves</link:label>
    <link:label id="lab_ifrs-full_OtherReservesMember_label_en-US" xlink:label="lab_ifrs-full_OtherReservesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other reserves [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherReservesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherReservesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherReservesMember" xlink:to="lab_ifrs-full_OtherReservesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_HSBCBankAustraliaLimitedMember_019b0124-061c-79fc-8c19-3177824be129_verboseLabel_en-US" xlink:label="lab_tlx_HSBCBankAustraliaLimitedMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">HSBC Bank Australia Limited</link:label>
    <link:label id="lab_tlx_HSBCBankAustraliaLimitedMember_label_en-US" xlink:label="lab_tlx_HSBCBankAustraliaLimitedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">HSBC Bank Australia Limited [Member]</link:label>
    <link:label id="lab_tlx_HSBCBankAustraliaLimitedMember_documentation_en-US" xlink:label="lab_tlx_HSBCBankAustraliaLimitedMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for the name of financial institution which company made loan agreement.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_HSBCBankAustraliaLimitedMember" xlink:href="tlx-20251231.xsd#tlx_HSBCBankAustraliaLimitedMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_HSBCBankAustraliaLimitedMember" xlink:to="lab_tlx_HSBCBankAustraliaLimitedMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfInformationAboutKeyManagementPersonnelExplanatory_019b0124-061c-7e0c-ad2b-9cc13a8cf804_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfInformationAboutKeyManagementPersonnelExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Key Management Personnel Compensation</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfInformationAboutKeyManagementPersonnelExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfInformationAboutKeyManagementPersonnelExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of information about key management personnel [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfInformationAboutKeyManagementPersonnelExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfInformationAboutKeyManagementPersonnelExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfInformationAboutKeyManagementPersonnelExplanatory" xlink:to="lab_ifrs-full_DisclosureOfInformationAboutKeyManagementPersonnelExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughFinancingCashFlowsLiabilitiesArisingFromFinancingActivities_019b0124-06b4-7a15-bebd-0a1fa0c077b7_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughFinancingCashFlowsLiabilitiesArisingFromFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net cash inflow/(outflow)</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughFinancingCashFlowsLiabilitiesArisingFromFinancingActivities_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughFinancingCashFlowsLiabilitiesArisingFromFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) through financing cash flows, liabilities arising from financing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughFinancingCashFlowsLiabilitiesArisingFromFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughFinancingCashFlowsLiabilitiesArisingFromFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughFinancingCashFlowsLiabilitiesArisingFromFinancingActivities" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughFinancingCashFlowsLiabilitiesArisingFromFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_TradeAndOtherReceivablesRecognizedAsOfAcquisitionDate_019b0124-061c-70e6-a0e2-bfe326b0e5ec_terseLabel_en-US" xlink:label="lab_tlx_TradeAndOtherReceivablesRecognizedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trade and other receivables</link:label>
    <link:label id="lab_tlx_TradeAndOtherReceivablesRecognizedAsOfAcquisitionDate_label_en-US" xlink:label="lab_tlx_TradeAndOtherReceivablesRecognizedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trade And Other Receivables Recognized As Of Acquisition Date</link:label>
    <link:label id="lab_tlx_TradeAndOtherReceivablesRecognizedAsOfAcquisitionDate_documentation_en-US" xlink:label="lab_tlx_TradeAndOtherReceivablesRecognizedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount recognized as of the acquisition date for trade and other receivables acquired in a business combination.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_TradeAndOtherReceivablesRecognizedAsOfAcquisitionDate" xlink:href="tlx-20251231.xsd#tlx_TradeAndOtherReceivablesRecognizedAsOfAcquisitionDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_TradeAndOtherReceivablesRecognizedAsOfAcquisitionDate" xlink:to="lab_tlx_TradeAndOtherReceivablesRecognizedAsOfAcquisitionDate" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsTable_019b0124-06b4-7c10-9e49-46f3c60024da_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of quantitative information about right-of-use assets [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of quantitative information about right-of-use assets [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsTable" xlink:to="lab_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityEmergingGrowthCompany_019b0124-061c-7fd2-816a-6114b60afa48_terseLabel_en-US" xlink:label="lab_dei_EntityEmergingGrowthCompany" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Emerging Growth Company</link:label>
    <link:label id="lab_dei_EntityEmergingGrowthCompany_label_en-US" xlink:label="lab_dei_EntityEmergingGrowthCompany" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Emerging Growth Company</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityEmergingGrowthCompany" xlink:to="lab_dei_EntityEmergingGrowthCompany" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_UnsecuredBorrowingsCurrent_019b0124-06b3-7dc7-9601-652cf0cc81e3_totalLabel_en-US" xlink:label="lab_tlx_UnsecuredBorrowingsCurrent" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total unsecured borrowings current</link:label>
    <link:label id="lab_tlx_UnsecuredBorrowingsCurrent_label_en-US" xlink:label="lab_tlx_UnsecuredBorrowingsCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unsecured Borrowings, Current</link:label>
    <link:label id="lab_tlx_UnsecuredBorrowingsCurrent_documentation_en-US" xlink:label="lab_tlx_UnsecuredBorrowingsCurrent" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">long-term, uncollateralized debt obligations due within one year or the normal operating cycle, if longer.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_UnsecuredBorrowingsCurrent" xlink:href="tlx-20251231.xsd#tlx_UnsecuredBorrowingsCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_UnsecuredBorrowingsCurrent" xlink:to="lab_tlx_UnsecuredBorrowingsCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PurchaseOfOtherLongtermAssetsClassifiedAsInvestingActivities_019b0124-073c-7d0c-aa76-20ac6430d217_negatedLabel_en-US" xlink:label="lab_ifrs-full_PurchaseOfOtherLongtermAssetsClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Purchases of other non-current assets</link:label>
    <link:label id="lab_ifrs-full_PurchaseOfOtherLongtermAssetsClassifiedAsInvestingActivities_label_en-US" xlink:label="lab_ifrs-full_PurchaseOfOtherLongtermAssetsClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Purchase of other long-term assets, classified as investing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PurchaseOfOtherLongtermAssetsClassifiedAsInvestingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PurchaseOfOtherLongtermAssetsClassifiedAsInvestingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PurchaseOfOtherLongtermAssetsClassifiedAsInvestingActivities" xlink:to="lab_ifrs-full_PurchaseOfOtherLongtermAssetsClassifiedAsInvestingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_BrusselsSouthAndSacramentoMember_019b0124-061c-7ce7-9ccc-3e033eb59aca_terseLabel_en-US" xlink:label="lab_tlx_BrusselsSouthAndSacramentoMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Brussels South and Sacramento</link:label>
    <link:label id="lab_tlx_BrusselsSouthAndSacramentoMember_label_en-US" xlink:label="lab_tlx_BrusselsSouthAndSacramentoMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Brussels South and Sacramento [Member]</link:label>
    <link:label id="lab_tlx_BrusselsSouthAndSacramentoMember_documentation_en-US" xlink:label="lab_tlx_BrusselsSouthAndSacramentoMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for a product or business unit.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_BrusselsSouthAndSacramentoMember" xlink:href="tlx-20251231.xsd#tlx_BrusselsSouthAndSacramentoMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_BrusselsSouthAndSacramentoMember" xlink:to="lab_tlx_BrusselsSouthAndSacramentoMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_NumberOfSharesIssuedUponExerciseOfEachConvertibleSecurity_019b0124-06b4-76b8-88fa-a1aef1d48d00_terseLabel_en-US" xlink:label="lab_tlx_NumberOfSharesIssuedUponExerciseOfEachConvertibleSecurity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of shares issued upon exercise of each convertible security (in shares)</link:label>
    <link:label id="lab_tlx_NumberOfSharesIssuedUponExerciseOfEachConvertibleSecurity_label_en-US" xlink:label="lab_tlx_NumberOfSharesIssuedUponExerciseOfEachConvertibleSecurity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Shares Issued Upon Exercise Of Each Convertible Security</link:label>
    <link:label id="lab_tlx_NumberOfSharesIssuedUponExerciseOfEachConvertibleSecurity_documentation_en-US" xlink:label="lab_tlx_NumberOfSharesIssuedUponExerciseOfEachConvertibleSecurity" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of shares issued upon exercise of each convertible security under Equity Incentive Plan.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_NumberOfSharesIssuedUponExerciseOfEachConvertibleSecurity" xlink:href="tlx-20251231.xsd#tlx_NumberOfSharesIssuedUponExerciseOfEachConvertibleSecurity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_NumberOfSharesIssuedUponExerciseOfEachConvertibleSecurity" xlink:to="lab_tlx_NumberOfSharesIssuedUponExerciseOfEachConvertibleSecurity" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherPayablesExplanatory_019b0124-073c-780e-9de2-82299e79c24c_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherPayablesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trade and other payables</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherPayablesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherPayablesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for trade and other payables [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherPayablesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherPayablesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherPayablesExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherPayablesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory_019b3ba5-6e55-7e12-85d6-6f66423cd16a_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Corporate Information</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of general information about financial statements [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment_019b0124-073c-729b-a2b0-71d8e1a33beb_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reclassifications</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) through transfers, property, plant and equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_TLX300CDxMember_019c127d-37c2-78da-9a9a-d6849a1fb6e2_terseLabel_en-US" xlink:label="lab_tlx_TLX300CDxMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">TLX300-CDx</link:label>
    <link:label id="lab_tlx_TLX300CDxMember_label_en-US" xlink:label="lab_tlx_TLX300CDxMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">TLX300-CDx [Member]</link:label>
    <link:label id="lab_tlx_TLX300CDxMember_documentation_en-US" xlink:label="lab_tlx_TLX300CDxMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">TLX300-CDx</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_TLX300CDxMember" xlink:href="tlx-20251231.xsd#tlx_TLX300CDxMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_TLX300CDxMember" xlink:to="lab_tlx_TLX300CDxMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TaxExpenseIncomeAtApplicableTaxRate_019b0124-073c-75d2-8091-f1d62fada1db_terseLabel_en-US" xlink:label="lab_ifrs-full_TaxExpenseIncomeAtApplicableTaxRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Prima-facie tax at a rate of 30.0% (2023: 30.0%, 2022: 30.0% )</link:label>
    <link:label id="lab_ifrs-full_TaxExpenseIncomeAtApplicableTaxRate_label_en-US" xlink:label="lab_ifrs-full_TaxExpenseIncomeAtApplicableTaxRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax expense (income) at applicable tax rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TaxExpenseIncomeAtApplicableTaxRate" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TaxExpenseIncomeAtApplicableTaxRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TaxExpenseIncomeAtApplicableTaxRate" xlink:to="lab_ifrs-full_TaxExpenseIncomeAtApplicableTaxRate" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_PreCommercialMember_019bfc9e-5718-73d7-a1c1-f8d2b33fdb5c_terseLabel_en-US" xlink:label="lab_tlx_PreCommercialMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Pre-commercial</link:label>
    <link:label id="lab_tlx_PreCommercialMember_label_en-US" xlink:label="lab_tlx_PreCommercialMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Pre-Commercial [Member]</link:label>
    <link:label id="lab_tlx_PreCommercialMember_documentation_en-US" xlink:label="lab_tlx_PreCommercialMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Pre-Commercial</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_PreCommercialMember" xlink:href="tlx-20251231.xsd#tlx_PreCommercialMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_PreCommercialMember" xlink:to="lab_tlx_PreCommercialMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_RhinePharmaGmbHFormerlyTelixPharmaceuticalsGermanyGmbHMember_019b0124-06b4-7d7b-911d-fa9aa0ca00bd_terseLabel_en-US" xlink:label="lab_tlx_RhinePharmaGmbHFormerlyTelixPharmaceuticalsGermanyGmbHMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Rhine Pharma GmbH</link:label>
    <link:label id="lab_tlx_RhinePharmaGmbHFormerlyTelixPharmaceuticalsGermanyGmbHMember_label_en-US" xlink:label="lab_tlx_RhinePharmaGmbHFormerlyTelixPharmaceuticalsGermanyGmbHMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Rhine Pharma GmbH (formerly Telix Pharmaceuticals (Germany) GmbH) [Member]</link:label>
    <link:label id="lab_tlx_RhinePharmaGmbHFormerlyTelixPharmaceuticalsGermanyGmbHMember_documentation_en-US" xlink:label="lab_tlx_RhinePharmaGmbHFormerlyTelixPharmaceuticalsGermanyGmbHMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The name of the entity which is controlled by another entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_RhinePharmaGmbHFormerlyTelixPharmaceuticalsGermanyGmbHMember" xlink:href="tlx-20251231.xsd#tlx_RhinePharmaGmbHFormerlyTelixPharmaceuticalsGermanyGmbHMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_RhinePharmaGmbHFormerlyTelixPharmaceuticalsGermanyGmbHMember" xlink:to="lab_tlx_RhinePharmaGmbHFormerlyTelixPharmaceuticalsGermanyGmbHMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_DisclosureOfManufacturingAndDistributionCostsTextBlock_019b45d2-86d8-7235-b579-213d725b73ea_terseLabel_en-US" xlink:label="lab_tlx_DisclosureOfManufacturingAndDistributionCostsTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Manufacturing and distribution costs</link:label>
    <link:label id="lab_tlx_DisclosureOfManufacturingAndDistributionCostsTextBlock_label_en-US" xlink:label="lab_tlx_DisclosureOfManufacturingAndDistributionCostsTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Manufacturing And Distribution Costs [Text Block]</link:label>
    <link:label id="lab_tlx_DisclosureOfManufacturingAndDistributionCostsTextBlock_documentation_en-US" xlink:label="lab_tlx_DisclosureOfManufacturingAndDistributionCostsTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure Of Manufacturing And Distribution Costs</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_DisclosureOfManufacturingAndDistributionCostsTextBlock" xlink:href="tlx-20251231.xsd#tlx_DisclosureOfManufacturingAndDistributionCostsTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_DisclosureOfManufacturingAndDistributionCostsTextBlock" xlink:to="lab_tlx_DisclosureOfManufacturingAndDistributionCostsTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ConstructionInProgressMember_019bfccd-f746-7267-9357-5f073bda911c_terseLabel_en-US" xlink:label="lab_ifrs-full_ConstructionInProgressMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Construction in progress</link:label>
    <link:label id="lab_ifrs-full_ConstructionInProgressMember_label_en-US" xlink:label="lab_ifrs-full_ConstructionInProgressMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Construction in progress [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ConstructionInProgressMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ConstructionInProgressMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ConstructionInProgressMember" xlink:to="lab_ifrs-full_ConstructionInProgressMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_TLX591CDxIlluccixMember_019b0124-06b4-7fef-b9b5-c20f76a980ec_terseLabel_en-US" xlink:label="lab_tlx_TLX591CDxIlluccixMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">TLX591-Px (Illuccix&#174;)</link:label>
    <link:label id="lab_tlx_TLX591CDxIlluccixMember_label_en-US" xlink:label="lab_tlx_TLX591CDxIlluccixMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">TLX591-C Dx (Illuccix) [Member]</link:label>
    <link:label id="lab_tlx_TLX591CDxIlluccixMember_documentation_en-US" xlink:label="lab_tlx_TLX591CDxIlluccixMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for a product or business unit.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_TLX591CDxIlluccixMember" xlink:href="tlx-20251231.xsd#tlx_TLX591CDxIlluccixMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_TLX591CDxIlluccixMember" xlink:to="lab_tlx_TLX591CDxIlluccixMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AssetsAbstract_019b0124-061c-7871-9938-166935317c33_terseLabel_en-US" xlink:label="lab_ifrs-full_AssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assets</link:label>
    <link:label id="lab_ifrs-full_AssetsAbstract_label_en-US" xlink:label="lab_ifrs-full_AssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AssetsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AssetsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AssetsAbstract" xlink:to="lab_ifrs-full_AssetsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_PrecisionMedicineMember_019b0124-061c-76a3-83ad-bcdfd4aaacad_terseLabel_en-US" xlink:label="lab_tlx_PrecisionMedicineMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Precision Medicine</link:label>
    <link:label id="lab_tlx_PrecisionMedicineMember_label_en-US" xlink:label="lab_tlx_PrecisionMedicineMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Precision Medicine [Member]</link:label>
    <link:label id="lab_tlx_PrecisionMedicineMember_documentation_en-US" xlink:label="lab_tlx_PrecisionMedicineMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for a segment which deals with is a medical model that separates people into different groups-with medical decisions, practices, interventions and/or products being tailored to the individual patient based on their predicted response or risk of disease. This segment focus on Commercial sales of Illuccix and other diagnostic products subsequent to obtaining regulatory approvals. This segment also includes the development activities of the Group's diagnostic pipeline.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_PrecisionMedicineMember" xlink:href="tlx-20251231.xsd#tlx_PrecisionMedicineMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_PrecisionMedicineMember" xlink:to="lab_tlx_PrecisionMedicineMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RightofuseAssetsMember_019b0124-061c-71ed-bfbf-0d7741e42386_terseLabel_en-US" xlink:label="lab_ifrs-full_RightofuseAssetsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Right-of-use assets</link:label>
    <link:label id="lab_ifrs-full_RightofuseAssetsMember_label_en-US" xlink:label="lab_ifrs-full_RightofuseAssetsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Right-of-use assets [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RightofuseAssetsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RightofuseAssetsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RightofuseAssetsMember" xlink:to="lab_ifrs-full_RightofuseAssetsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LaterThanThreeMonthsAndNotLaterThanFourMonthsMember_019b0124-06b3-7eb0-816d-b5a489ca8be4_terseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanThreeMonthsAndNotLaterThanFourMonthsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">90 days</link:label>
    <link:label id="lab_ifrs-full_LaterThanThreeMonthsAndNotLaterThanFourMonthsMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanThreeMonthsAndNotLaterThanFourMonthsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Later than three months and not later than four months [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanThreeMonthsAndNotLaterThanFourMonthsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LaterThanThreeMonthsAndNotLaterThanFourMonthsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanThreeMonthsAndNotLaterThanFourMonthsMember" xlink:to="lab_ifrs-full_LaterThanThreeMonthsAndNotLaterThanFourMonthsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfAntidilutiveInstrumentsAxis_019b0124-06b3-7470-b8a0-a361f999f2fd_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfAntidilutiveInstrumentsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Types of antidilutive instruments [axis]</link:label>
    <link:label id="lab_ifrs-full_TypesOfAntidilutiveInstrumentsAxis_label_en-US" xlink:label="lab_ifrs-full_TypesOfAntidilutiveInstrumentsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Types of antidilutive instruments [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfAntidilutiveInstrumentsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfAntidilutiveInstrumentsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfAntidilutiveInstrumentsAxis" xlink:to="lab_ifrs-full_TypesOfAntidilutiveInstrumentsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019_019b0124-061c-7587-adf7-799a4171b63e_terseLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share price at grant date (in AUD per share)</link:label>
    <link:label id="lab_ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019_label_en-US" xlink:label="lab_ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted average share price, share options granted</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019" xlink:to="lab_ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentAssetsAbstract_019b0124-06b3-7255-b1c0-4c1e11e4877b_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current assets</link:label>
    <link:label id="lab_ifrs-full_CurrentAssetsAbstract_label_en-US" xlink:label="lab_ifrs-full_CurrentAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current assets [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentAssetsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentAssetsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentAssetsAbstract" xlink:to="lab_ifrs-full_CurrentAssetsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ExplanationOfSignificantChangesInContractAssetsAndContractLiabilitiesExplanatory_019b0124-061c-7ce2-9730-80960b727cd5_terseLabel_en-US" xlink:label="lab_ifrs-full_ExplanationOfSignificantChangesInContractAssetsAndContractLiabilitiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Liabilities Related to Contracts with Customers</link:label>
    <link:label id="lab_ifrs-full_ExplanationOfSignificantChangesInContractAssetsAndContractLiabilitiesExplanatory_label_en-US" xlink:label="lab_ifrs-full_ExplanationOfSignificantChangesInContractAssetsAndContractLiabilitiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Explanation of significant changes in contract assets and contract liabilities [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ExplanationOfSignificantChangesInContractAssetsAndContractLiabilitiesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ExplanationOfSignificantChangesInContractAssetsAndContractLiabilitiesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ExplanationOfSignificantChangesInContractAssetsAndContractLiabilitiesExplanatory" xlink:to="lab_ifrs-full_ExplanationOfSignificantChangesInContractAssetsAndContractLiabilitiesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherCurrentPayables_019b0124-061c-739a-8264-aa2b80582143_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherCurrentPayables" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other creditors</link:label>
    <link:label id="lab_ifrs-full_OtherCurrentPayables_label_en-US" xlink:label="lab_ifrs-full_OtherCurrentPayables" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other current payables</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherCurrentPayables" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherCurrentPayables"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherCurrentPayables" xlink:to="lab_ifrs-full_OtherCurrentPayables" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityAddressPostalZipCode_019b0124-06b3-7c1f-9dfc-41650952ca04_terseLabel_en-US" xlink:label="lab_dei_EntityAddressPostalZipCode" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Address, Postal Zip Code</link:label>
    <link:label id="lab_dei_EntityAddressPostalZipCode_label_en-US" xlink:label="lab_dei_EntityAddressPostalZipCode" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Address, Postal Zip Code</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressPostalZipCode"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressPostalZipCode" xlink:to="lab_dei_EntityAddressPostalZipCode" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdditionalDisclosuresForAmountsRecognisedAsOfAcquisitionDateForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract_019b4423-03f8-77e0-b10b-e810473b86ff_terseLabel_en-US" xlink:label="lab_ifrs-full_AdditionalDisclosuresForAmountsRecognisedAsOfAcquisitionDateForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair value adjustments</link:label>
    <link:label id="lab_ifrs-full_AdditionalDisclosuresForAmountsRecognisedAsOfAcquisitionDateForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract_label_en-US" xlink:label="lab_ifrs-full_AdditionalDisclosuresForAmountsRecognisedAsOfAcquisitionDateForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Additional disclosures for amounts recognised as of acquisition date for each major class of assets acquired and liabilities assumed [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdditionalDisclosuresForAmountsRecognisedAsOfAcquisitionDateForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdditionalDisclosuresForAmountsRecognisedAsOfAcquisitionDateForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdditionalDisclosuresForAmountsRecognisedAsOfAcquisitionDateForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract" xlink:to="lab_ifrs-full_AdditionalDisclosuresForAmountsRecognisedAsOfAcquisitionDateForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentAssetsAbstract_019b0124-06b3-74ac-9cdd-f28f4b3f25d3_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-current assets</link:label>
    <link:label id="lab_ifrs-full_NoncurrentAssetsAbstract_label_en-US" xlink:label="lab_ifrs-full_NoncurrentAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-current assets [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentAssetsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentAssetsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentAssetsAbstract" xlink:to="lab_ifrs-full_NoncurrentAssetsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAbstract_019b0124-06b4-7a6e-a90b-3546c0a16d76_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of information for cash-generating units [abstract]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of information for cash-generating units [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAbstract" xlink:to="lab_ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFinanceCostExplanatory_019b0124-061c-79be-a153-ba9c856726c3_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinanceCostExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Finance costs</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFinanceCostExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinanceCostExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of finance cost [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFinanceCostExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinanceCostExplanatory"/>
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    <link:label id="lab_ifrs-full_AuditorsRemunerationForOtherServices_019b0124-061c-7441-af82-ae8125231af2_terseLabel_en-US" xlink:label="lab_ifrs-full_AuditorsRemunerationForOtherServices" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other advisory services</link:label>
    <link:label id="lab_ifrs-full_AuditorsRemunerationForOtherServices_label_en-US" xlink:label="lab_ifrs-full_AuditorsRemunerationForOtherServices" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Auditor's remuneration for other services</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AuditorsRemunerationForOtherServices" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AuditorsRemunerationForOtherServices"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AuditorsRemunerationForOtherServices" xlink:to="lab_ifrs-full_AuditorsRemunerationForOtherServices" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems_019b0124-061c-7105-ab7f-8d9799ce1bbb_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of nature and extent of risks arising from financial instruments [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of nature and extent of risks arising from financial instruments [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems"/>
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    <link:label id="lab_ifrs-full_GeneralAndAdministrativeExpense_019b0124-061c-7f61-8b14-e3e313580f78_negatedLabel_en-US" xlink:label="lab_ifrs-full_GeneralAndAdministrativeExpense" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">General and administration costs</link:label>
    <link:label id="lab_ifrs-full_GeneralAndAdministrativeExpense_019be0c3-2e2f-7c85-b598-f4456828482c_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_GeneralAndAdministrativeExpense" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">General and administration costs</link:label>
    <link:label id="lab_ifrs-full_GeneralAndAdministrativeExpense_label_en-US" xlink:label="lab_ifrs-full_GeneralAndAdministrativeExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">General and administrative expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GeneralAndAdministrativeExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GeneralAndAdministrativeExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GeneralAndAdministrativeExpense" xlink:to="lab_ifrs-full_GeneralAndAdministrativeExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashAndCashEquivalentsRecognisedAsOfAcquisitionDate_019b0124-061c-7de5-97d4-7a5782e4eb73_terseLabel_en-US" xlink:label="lab_ifrs-full_CashAndCashEquivalentsRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents</link:label>
    <link:label id="lab_ifrs-full_CashAndCashEquivalentsRecognisedAsOfAcquisitionDate_label_en-US" xlink:label="lab_ifrs-full_CashAndCashEquivalentsRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents recognised as of acquisition date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashAndCashEquivalentsRecognisedAsOfAcquisitionDate" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashAndCashEquivalentsRecognisedAsOfAcquisitionDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashAndCashEquivalentsRecognisedAsOfAcquisitionDate" xlink:to="lab_ifrs-full_CashAndCashEquivalentsRecognisedAsOfAcquisitionDate" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ShareBasedPaymentsMember_019b0124-06b4-754a-b4b2-907d4ddded00_terseLabel_en-US" xlink:label="lab_tlx_ShareBasedPaymentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Temporary differences in relation to share-based payments</link:label>
    <link:label id="lab_tlx_ShareBasedPaymentsMember_label_en-US" xlink:label="lab_tlx_ShareBasedPaymentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Based Payments [Member]</link:label>
    <link:label id="lab_tlx_ShareBasedPaymentsMember_documentation_en-US" xlink:label="lab_tlx_ShareBasedPaymentsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for share based payments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ShareBasedPaymentsMember" xlink:href="tlx-20251231.xsd#tlx_ShareBasedPaymentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ShareBasedPaymentsMember" xlink:to="lab_tlx_ShareBasedPaymentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_TrancheAxis_019be695-e384-7eff-8eb8-7c19487a3856_terseLabel_en-US" xlink:label="lab_tlx_TrancheAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tranche [Axis]</link:label>
    <link:label id="lab_tlx_TrancheAxis_label_en-US" xlink:label="lab_tlx_TrancheAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tranche [Axis]</link:label>
    <link:label id="lab_tlx_TrancheAxis_documentation_en-US" xlink:label="lab_tlx_TrancheAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tranche</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_TrancheAxis" xlink:href="tlx-20251231.xsd#tlx_TrancheAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_TrancheAxis" xlink:to="lab_tlx_TrancheAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfIncomeTaxExplanatory_019b0124-061c-7873-8328-15a5ee046ea8_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfIncomeTaxExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income tax expense/(benefit)</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfIncomeTaxExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfIncomeTaxExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of income tax [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfIncomeTaxExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfIncomeTaxExplanatory"/>
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    <link:label id="lab_dei_DocumentInformationLineItems_019b352d-ac18-7596-879d-af76cca026fa_terseLabel_en-US" xlink:label="lab_dei_DocumentInformationLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Information [Line Items]</link:label>
    <link:label id="lab_dei_DocumentInformationLineItems_label_en-US" xlink:label="lab_dei_DocumentInformationLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Information [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationLineItems" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentInformationLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentInformationLineItems" xlink:to="lab_dei_DocumentInformationLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughTransfersIntangibleAssetsAndGoodwill_019bfcda-642c-79d7-b054-7ce9ab2d1d68_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTransfersIntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reclassifications</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughTransfersIntangibleAssetsAndGoodwill_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTransfersIntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) through transfers, intangible assets and goodwill</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughTransfersIntangibleAssetsAndGoodwill" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughTransfersIntangibleAssetsAndGoodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughTransfersIntangibleAssetsAndGoodwill" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughTransfersIntangibleAssetsAndGoodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue_019b0124-06b4-7bfb-8a5a-17ef7c2535fc_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Revenue</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for recognition of revenue [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_KeyManagementPersonnelPurchasesOfGoodsAndServicesRelatedPartyTransactions_019b0124-061c-7a46-9ae3-fad68e5a7d00_terseLabel_en-US" xlink:label="lab_tlx_KeyManagementPersonnelPurchasesOfGoodsAndServicesRelatedPartyTransactions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Purchases of various goods and services from entities controlled by key management personnel</link:label>
    <link:label id="lab_tlx_KeyManagementPersonnelPurchasesOfGoodsAndServicesRelatedPartyTransactions_label_en-US" xlink:label="lab_tlx_KeyManagementPersonnelPurchasesOfGoodsAndServicesRelatedPartyTransactions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Key Management Personnel, Purchases Of Goods And Services Related Party Transactions</link:label>
    <link:label id="lab_tlx_KeyManagementPersonnelPurchasesOfGoodsAndServicesRelatedPartyTransactions_documentation_en-US" xlink:label="lab_tlx_KeyManagementPersonnelPurchasesOfGoodsAndServicesRelatedPartyTransactions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of compensation to key management personnel in the form of purchases of goods and services.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_KeyManagementPersonnelPurchasesOfGoodsAndServicesRelatedPartyTransactions" xlink:href="tlx-20251231.xsd#tlx_KeyManagementPersonnelPurchasesOfGoodsAndServicesRelatedPartyTransactions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_KeyManagementPersonnelPurchasesOfGoodsAndServicesRelatedPartyTransactions" xlink:to="lab_tlx_KeyManagementPersonnelPurchasesOfGoodsAndServicesRelatedPartyTransactions" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDefinedBenefitPlansAbstract_019b0124-06b3-7168-b7a1-df7956cbe734_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDefinedBenefitPlansAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of defined benefit plans [abstract]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDefinedBenefitPlansAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDefinedBenefitPlansAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of defined benefit plans [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDefinedBenefitPlansAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDefinedBenefitPlansAbstract"/>
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    <link:label id="lab_tlx_UnusedTaxLossesAndCreditsForWhichNoDeferredTaxAssetIsRecognised_019be918-e801-7fd1-acf3-952cdb0391cd_verboseLabel_en-US" xlink:label="lab_tlx_UnusedTaxLossesAndCreditsForWhichNoDeferredTaxAssetIsRecognised" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Unrecognized income tax benefit</link:label>
    <link:label id="lab_tlx_UnusedTaxLossesAndCreditsForWhichNoDeferredTaxAssetIsRecognised_label_en-US" xlink:label="lab_tlx_UnusedTaxLossesAndCreditsForWhichNoDeferredTaxAssetIsRecognised" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unused Tax Losses And Credits For Which No Deferred Tax Asset Is Recognised</link:label>
    <link:label id="lab_tlx_UnusedTaxLossesAndCreditsForWhichNoDeferredTaxAssetIsRecognised_documentation_en-US" xlink:label="lab_tlx_UnusedTaxLossesAndCreditsForWhichNoDeferredTaxAssetIsRecognised" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Unused Tax Losses And Credits For Which No Deferred Tax Asset Is Recognised</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_UnusedTaxLossesAndCreditsForWhichNoDeferredTaxAssetIsRecognised" xlink:href="tlx-20251231.xsd#tlx_UnusedTaxLossesAndCreditsForWhichNoDeferredTaxAssetIsRecognised"/>
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    <link:label id="lab_tlx_TelixPharmaceuticalsUSIncMember_019b0124-06b3-7bdd-8f57-c77aa5ae7a86_terseLabel_en-US" xlink:label="lab_tlx_TelixPharmaceuticalsUSIncMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Telix Pharmaceuticals (US) Inc.</link:label>
    <link:label id="lab_tlx_TelixPharmaceuticalsUSIncMember_label_en-US" xlink:label="lab_tlx_TelixPharmaceuticalsUSIncMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Telix Pharmaceuticals (US) Inc. [Member]</link:label>
    <link:label id="lab_tlx_TelixPharmaceuticalsUSIncMember_documentation_en-US" xlink:label="lab_tlx_TelixPharmaceuticalsUSIncMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The name of the entity which is controlled by another entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_TelixPharmaceuticalsUSIncMember" xlink:href="tlx-20251231.xsd#tlx_TelixPharmaceuticalsUSIncMember"/>
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    <link:label id="lab_tlx_PaymentsOfDeferredConsiderationClassifiedAsInvestingActivities_019c5561-78c8-73ed-8397-fdc6b9e23676_negatedLabel_en-US" xlink:label="lab_tlx_PaymentsOfDeferredConsiderationClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Payments for deferred consideration</link:label>
    <link:label id="lab_tlx_PaymentsOfDeferredConsiderationClassifiedAsInvestingActivities_label_en-US" xlink:label="lab_tlx_PaymentsOfDeferredConsiderationClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments Of Deferred Consideration, Classified As Investing Activities</link:label>
    <link:label id="lab_tlx_PaymentsOfDeferredConsiderationClassifiedAsInvestingActivities_documentation_en-US" xlink:label="lab_tlx_PaymentsOfDeferredConsiderationClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Payments Of Deferred Consideration, Classified As Investing Activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_PaymentsOfDeferredConsiderationClassifiedAsInvestingActivities" xlink:href="tlx-20251231.xsd#tlx_PaymentsOfDeferredConsiderationClassifiedAsInvestingActivities"/>
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    <link:label id="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory_019b0124-073c-74c0-a7f0-66b9438a6be7_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Number and Weighted Average Exercise Price of Stock Options</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory"/>
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    <link:label id="lab_ifrs-full_CapitalCommitmentsAbstract_019b0124-06b3-79ab-949d-d425725d2d99_terseLabel_en-US" xlink:label="lab_ifrs-full_CapitalCommitmentsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Capital commitments [abstract]</link:label>
    <link:label id="lab_ifrs-full_CapitalCommitmentsAbstract_label_en-US" xlink:label="lab_ifrs-full_CapitalCommitmentsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital commitments [abstract]</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CapitalCommitmentsAbstract" xlink:to="lab_ifrs-full_CapitalCommitmentsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ComputerSoftwareMember_019b0124-06b3-7a81-bc76-30431538c8fd_terseLabel_en-US" xlink:label="lab_ifrs-full_ComputerSoftwareMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Software</link:label>
    <link:label id="lab_ifrs-full_ComputerSoftwareMember_label_en-US" xlink:label="lab_ifrs-full_ComputerSoftwareMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Computer software [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComputerSoftwareMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComputerSoftwareMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComputerSoftwareMember" xlink:to="lab_ifrs-full_ComputerSoftwareMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ReceivablesFromContractsWithCustomersAbstract_019b0124-06b3-7fe2-88b9-0d0c20003569_terseLabel_en-US" xlink:label="lab_ifrs-full_ReceivablesFromContractsWithCustomersAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Receivables from contracts with customers [abstract]</link:label>
    <link:label id="lab_ifrs-full_ReceivablesFromContractsWithCustomersAbstract_label_en-US" xlink:label="lab_ifrs-full_ReceivablesFromContractsWithCustomersAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Receivables from contracts with customers [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReceivablesFromContractsWithCustomersAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReceivablesFromContractsWithCustomersAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReceivablesFromContractsWithCustomersAbstract" xlink:to="lab_ifrs-full_ReceivablesFromContractsWithCustomersAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TradeAndOtherCurrentPayablesToRelatedParties_019be059-c679-7a99-87cb-865526cc2595_terseLabel_en-US" xlink:label="lab_ifrs-full_TradeAndOtherCurrentPayablesToRelatedParties" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loan amount</link:label>
    <link:label id="lab_ifrs-full_TradeAndOtherCurrentPayablesToRelatedParties_label_en-US" xlink:label="lab_ifrs-full_TradeAndOtherCurrentPayablesToRelatedParties" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current payables to related parties</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TradeAndOtherCurrentPayablesToRelatedParties" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TradeAndOtherCurrentPayablesToRelatedParties"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TradeAndOtherCurrentPayablesToRelatedParties" xlink:to="lab_ifrs-full_TradeAndOtherCurrentPayablesToRelatedParties" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughTimeValueOfMoneyAdjustmentOtherProvisions_019be982-5941-7ea5-b2cb-96b8e86a0f89_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTimeValueOfMoneyAdjustmentOtherProvisions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unwind of discount</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughTimeValueOfMoneyAdjustmentOtherProvisions_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTimeValueOfMoneyAdjustmentOtherProvisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase through adjustments arising from passage of time, other provisions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughTimeValueOfMoneyAdjustmentOtherProvisions" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughTimeValueOfMoneyAdjustmentOtherProvisions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughTimeValueOfMoneyAdjustmentOtherProvisions" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughTimeValueOfMoneyAdjustmentOtherProvisions" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_FairValueAdjustmentsRecognizedAsOfAcquisitionDate_019b0124-06b4-760d-99fb-1e99b577a646_totalLabel_en-US" xlink:label="lab_tlx_FairValueAdjustmentsRecognizedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total fair value adjustments</link:label>
    <link:label id="lab_tlx_FairValueAdjustmentsRecognizedAsOfAcquisitionDate_label_en-US" xlink:label="lab_tlx_FairValueAdjustmentsRecognizedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Adjustments Recognized As Of Acquisition Date</link:label>
    <link:label id="lab_tlx_FairValueAdjustmentsRecognizedAsOfAcquisitionDate_documentation_en-US" xlink:label="lab_tlx_FairValueAdjustmentsRecognizedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Net amount of increase (decrease) in assets and liabilities for fair value adjustment in a business combination.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_FairValueAdjustmentsRecognizedAsOfAcquisitionDate" xlink:href="tlx-20251231.xsd#tlx_FairValueAdjustmentsRecognizedAsOfAcquisitionDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_FairValueAdjustmentsRecognizedAsOfAcquisitionDate" xlink:to="lab_tlx_FairValueAdjustmentsRecognizedAsOfAcquisitionDate" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ScheduleOfOtherNoncurrentAssetsTableTextBlock_019c330a-5ea0-71d0-8186-18ec3fc93055_terseLabel_en-US" xlink:label="lab_tlx_ScheduleOfOtherNoncurrentAssetsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Other Non-current Assets</link:label>
    <link:label id="lab_tlx_ScheduleOfOtherNoncurrentAssetsTableTextBlock_label_en-US" xlink:label="lab_tlx_ScheduleOfOtherNoncurrentAssetsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Other Noncurrent Assets [Table Text Block]</link:label>
    <link:label id="lab_tlx_ScheduleOfOtherNoncurrentAssetsTableTextBlock_documentation_en-US" xlink:label="lab_tlx_ScheduleOfOtherNoncurrentAssetsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule Of Other Noncurrent Assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ScheduleOfOtherNoncurrentAssetsTableTextBlock" xlink:href="tlx-20251231.xsd#tlx_ScheduleOfOtherNoncurrentAssetsTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ScheduleOfOtherNoncurrentAssetsTableTextBlock" xlink:to="lab_tlx_ScheduleOfOtherNoncurrentAssetsTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ReserveOfSharebasedPaymentsMember_019b0124-073c-7886-8c71-894fcfa5f129_terseLabel_en-US" xlink:label="lab_ifrs-full_ReserveOfSharebasedPaymentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-based payments reserve</link:label>
    <link:label id="lab_ifrs-full_ReserveOfSharebasedPaymentsMember_label_en-US" xlink:label="lab_ifrs-full_ReserveOfSharebasedPaymentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reserve of share-based payments [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReserveOfSharebasedPaymentsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReserveOfSharebasedPaymentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReserveOfSharebasedPaymentsMember" xlink:to="lab_ifrs-full_ReserveOfSharebasedPaymentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract_019b0124-06b4-74b6-b225-9b7e61d1418b_terseLabel_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash flows from investing activities</link:label>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash flows from (used in) investing activities [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract" xlink:to="lab_ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_AdjustmentsForIncreaseDecreaseInProvisions_019b0124-06b3-74f9-9cbf-0cfb5528e471_terseLabel_en-US" xlink:label="lab_tlx_AdjustmentsForIncreaseDecreaseInProvisions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">(Decrease)/Increase in provisions</link:label>
    <link:label id="lab_tlx_AdjustmentsForIncreaseDecreaseInProvisions_label_en-US" xlink:label="lab_tlx_AdjustmentsForIncreaseDecreaseInProvisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments For Increase (Decrease) In Provisions</link:label>
    <link:label id="lab_tlx_AdjustmentsForIncreaseDecreaseInProvisions_documentation_en-US" xlink:label="lab_tlx_AdjustmentsForIncreaseDecreaseInProvisions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Adjustments for increase (decrease) in provisions to reconcile profit (loss) to net cash flow from (used in) operating activities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_AdjustmentsForIncreaseDecreaseInProvisions" xlink:href="tlx-20251231.xsd#tlx_AdjustmentsForIncreaseDecreaseInProvisions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_AdjustmentsForIncreaseDecreaseInProvisions" xlink:to="lab_tlx_AdjustmentsForIncreaseDecreaseInProvisions" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_BorrowingsOverPayments_019b0124-061c-7986-b6fc-a9c64ffc7014_totalLabel_en-US" xlink:label="lab_tlx_BorrowingsOverPayments" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Loan balance</link:label>
    <link:label id="lab_tlx_BorrowingsOverPayments_label_en-US" xlink:label="lab_tlx_BorrowingsOverPayments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings Over Payments</link:label>
    <link:label id="lab_tlx_BorrowingsOverPayments_documentation_en-US" xlink:label="lab_tlx_BorrowingsOverPayments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of outstanding funds that the entity is obligated to repay.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_BorrowingsOverPayments" xlink:href="tlx-20251231.xsd#tlx_BorrowingsOverPayments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_BorrowingsOverPayments" xlink:to="lab_tlx_BorrowingsOverPayments" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted_019b0124-061c-776a-b4db-c0249b6f5485_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Risk-free rate</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Risk free interest rate, share options granted</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted" xlink:to="lab_ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_PaymentsForContingentConsiderationClassifiedAsInvestingActivities_019be161-7102-7d19-b1bd-aa8e82972134_negatedTerseLabel_en-US" xlink:label="lab_tlx_PaymentsForContingentConsiderationClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Payments for contingent consideration (Investing)</link:label>
    <link:label id="lab_tlx_PaymentsForContingentConsiderationClassifiedAsInvestingActivities_label_en-US" xlink:label="lab_tlx_PaymentsForContingentConsiderationClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments For Contingent Consideration, Classified As Investing Activities</link:label>
    <link:label id="lab_tlx_PaymentsForContingentConsiderationClassifiedAsInvestingActivities_documentation_en-US" xlink:label="lab_tlx_PaymentsForContingentConsiderationClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Payments For Contingent Consideration, Classified As Investing Activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_PaymentsForContingentConsiderationClassifiedAsInvestingActivities" xlink:href="tlx-20251231.xsd#tlx_PaymentsForContingentConsiderationClassifiedAsInvestingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_PaymentsForContingentConsiderationClassifiedAsInvestingActivities" xlink:to="lab_tlx_PaymentsForContingentConsiderationClassifiedAsInvestingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_PaymentsForContingentConsiderationClassifiedAsOperating_019be161-1cd5-7a49-92ca-9b6fa9293209_negatedTerseLabel_en-US" xlink:label="lab_tlx_PaymentsForContingentConsiderationClassifiedAsOperating" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Payments for contingent consideration (Operating)</link:label>
    <link:label id="lab_tlx_PaymentsForContingentConsiderationClassifiedAsOperating_label_en-US" xlink:label="lab_tlx_PaymentsForContingentConsiderationClassifiedAsOperating" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments For Contingent Consideration, Classified As Operating</link:label>
    <link:label id="lab_tlx_PaymentsForContingentConsiderationClassifiedAsOperating_documentation_en-US" xlink:label="lab_tlx_PaymentsForContingentConsiderationClassifiedAsOperating" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Payments For Contingent Consideration, Classified As Operating</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_PaymentsForContingentConsiderationClassifiedAsOperating" xlink:href="tlx-20251231.xsd#tlx_PaymentsForContingentConsiderationClassifiedAsOperating"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_PaymentsForContingentConsiderationClassifiedAsOperating" xlink:to="lab_tlx_PaymentsForContingentConsiderationClassifiedAsOperating" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_MaterialAccountingPolicyInformationAbstract_019b0124-06b4-7713-92ef-3ab5ced00d95_terseLabel_en-US" xlink:label="lab_tlx_MaterialAccountingPolicyInformationAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Material accounting policy information [Abstract]</link:label>
    <link:label id="lab_tlx_MaterialAccountingPolicyInformationAbstract_label_en-US" xlink:label="lab_tlx_MaterialAccountingPolicyInformationAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Material Accounting Policy Information [Abstract]</link:label>
    <link:label id="lab_tlx_MaterialAccountingPolicyInformationAbstract_documentation_en-US" xlink:label="lab_tlx_MaterialAccountingPolicyInformationAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Material accounting policy information [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_MaterialAccountingPolicyInformationAbstract" xlink:href="tlx-20251231.xsd#tlx_MaterialAccountingPolicyInformationAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_MaterialAccountingPolicyInformationAbstract" xlink:to="lab_tlx_MaterialAccountingPolicyInformationAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NumberOfInstrumentsOrInterestsIssuedOrIssuable_019be14b-8cb2-7eb8-aa11-5909973b4055_terseLabel_en-US" xlink:label="lab_ifrs-full_NumberOfInstrumentsOrInterestsIssuedOrIssuable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of shares outstanding (in shares)</link:label>
    <link:label id="lab_ifrs-full_NumberOfInstrumentsOrInterestsIssuedOrIssuable_label_en-US" xlink:label="lab_ifrs-full_NumberOfInstrumentsOrInterestsIssuedOrIssuable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of instruments or interests issued or issuable</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfInstrumentsOrInterestsIssuedOrIssuable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NumberOfInstrumentsOrInterestsIssuedOrIssuable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfInstrumentsOrInterestsIssuedOrIssuable" xlink:to="lab_ifrs-full_NumberOfInstrumentsOrInterestsIssuedOrIssuable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents_019b0124-061c-7469-ba3c-e4572a77d7c6_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for determining components of cash and cash equivalents [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_DeferredTaxAssetsPursuantToSetOffProvisions_019bfcc6-eec9-74dd-99be-205c84204561_negatedTerseLabel_en-US" xlink:label="lab_tlx_DeferredTaxAssetsPursuantToSetOffProvisions" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Set-off of deferred tax assets pursuant to set-off provisions</link:label>
    <link:label id="lab_tlx_DeferredTaxAssetsPursuantToSetOffProvisions_label_en-US" xlink:label="lab_tlx_DeferredTaxAssetsPursuantToSetOffProvisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Assets Pursuant To Set-Off Provisions</link:label>
    <link:label id="lab_tlx_DeferredTaxAssetsPursuantToSetOffProvisions_documentation_en-US" xlink:label="lab_tlx_DeferredTaxAssetsPursuantToSetOffProvisions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase (decrease) in deferred tax liabilities pursuant to set-off provisions.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_DeferredTaxAssetsPursuantToSetOffProvisions" xlink:href="tlx-20251231.xsd#tlx_DeferredTaxAssetsPursuantToSetOffProvisions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_DeferredTaxAssetsPursuantToSetOffProvisions" xlink:to="lab_tlx_DeferredTaxAssetsPursuantToSetOffProvisions" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_DetailedInformationAboutContingentConsiderationTable_019b0124-06b4-7dbd-ae91-78829d95e6a1_terseLabel_en-US" xlink:label="lab_tlx_DetailedInformationAboutContingentConsiderationTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Detailed information about contingent consideration [Table]</link:label>
    <link:label id="lab_tlx_DetailedInformationAboutContingentConsiderationTable_label_en-US" xlink:label="lab_tlx_DetailedInformationAboutContingentConsiderationTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Detailed Information About Contingent Consideration [Table]</link:label>
    <link:label id="lab_tlx_DetailedInformationAboutContingentConsiderationTable_documentation_en-US" xlink:label="lab_tlx_DetailedInformationAboutContingentConsiderationTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Detailed information about contingent consideration [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_DetailedInformationAboutContingentConsiderationTable" xlink:href="tlx-20251231.xsd#tlx_DetailedInformationAboutContingentConsiderationTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_DetailedInformationAboutContingentConsiderationTable" xlink:to="lab_tlx_DetailedInformationAboutContingentConsiderationTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions_019b0124-061c-75ec-80ee-79d2d1a64f98_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-based payments to employees</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) through share-based payment transactions, equity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProvisionForDecommissioningRestorationAndRehabilitationCosts_019be602-c4fd-79f5-894c-8dc071a21479_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_ProvisionForDecommissioningRestorationAndRehabilitationCosts" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Decommissioning liability</link:label>
    <link:label id="lab_ifrs-full_ProvisionForDecommissioningRestorationAndRehabilitationCosts_label_en-US" xlink:label="lab_ifrs-full_ProvisionForDecommissioningRestorationAndRehabilitationCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provision for decommissioning, restoration and rehabilitation costs</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProvisionForDecommissioningRestorationAndRehabilitationCosts" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProvisionForDecommissioningRestorationAndRehabilitationCosts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProvisionForDecommissioningRestorationAndRehabilitationCosts" xlink:to="lab_ifrs-full_ProvisionForDecommissioningRestorationAndRehabilitationCosts" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LeaseLiabilitiesAbstract_019b0124-061c-7f4c-a39e-63a85902af77_terseLabel_en-US" xlink:label="lab_ifrs-full_LeaseLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lease liabilities [abstract]</link:label>
    <link:label id="lab_ifrs-full_LeaseLiabilitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_LeaseLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lease liabilities [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LeaseLiabilitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LeaseLiabilitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LeaseLiabilitiesAbstract" xlink:to="lab_ifrs-full_LeaseLiabilitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_QSAMBiosciencesIncMember_019b0124-06b3-7369-a68b-d02092119897_terseLabel_en-US" xlink:label="lab_tlx_QSAMBiosciencesIncMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">QSAM</link:label>
    <link:label id="lab_tlx_QSAMBiosciencesIncMember_label_en-US" xlink:label="lab_tlx_QSAMBiosciencesIncMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">QSAM Biosciences, Inc [Member]</link:label>
    <link:label id="lab_tlx_QSAMBiosciencesIncMember_documentation_en-US" xlink:label="lab_tlx_QSAMBiosciencesIncMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The name of the entity which is controlled by another entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_QSAMBiosciencesIncMember" xlink:href="tlx-20251231.xsd#tlx_QSAMBiosciencesIncMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_QSAMBiosciencesIncMember" xlink:to="lab_tlx_QSAMBiosciencesIncMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentAssets_019b0124-061c-70a4-a237-4f2900d04c32_totalLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentAssets" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total non-current assets</link:label>
    <link:label id="lab_ifrs-full_NoncurrentAssets_019be0e0-f773-76a9-ae2b-d8b821b81bf3_verboseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentAssets" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Non-current assets</link:label>
    <link:label id="lab_ifrs-full_NoncurrentAssets_label_en-US" xlink:label="lab_ifrs-full_NoncurrentAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-current assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentAssets" xlink:to="lab_ifrs-full_NoncurrentAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation_019b0124-061c-79b1-8593-c41930ed1338_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exchange differences on translation of foreign operations</link:label>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation_label_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other comprehensive income, net of tax, exchange differences on translation of foreign operations</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation" xlink:to="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_FairValueAdjustmentCustomerRelationships_019b0124-061c-7662-80a2-7d6e63771908_terseLabel_en-US" xlink:label="lab_tlx_FairValueAdjustmentCustomerRelationships" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Customer relationships</link:label>
    <link:label id="lab_tlx_FairValueAdjustmentCustomerRelationships_label_en-US" xlink:label="lab_tlx_FairValueAdjustmentCustomerRelationships" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Adjustment, Customer Relationships</link:label>
    <link:label id="lab_tlx_FairValueAdjustmentCustomerRelationships_documentation_en-US" xlink:label="lab_tlx_FairValueAdjustmentCustomerRelationships" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of increase (decrease) in customer relationships for fair value adjustment in a business combination.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_FairValueAdjustmentCustomerRelationships" xlink:href="tlx-20251231.xsd#tlx_FairValueAdjustmentCustomerRelationships"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_FairValueAdjustmentCustomerRelationships" xlink:to="lab_tlx_FairValueAdjustmentCustomerRelationships" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_TenPercentIncreaseMember_019bea1c-d31a-7fee-8ee0-faf459cc892e_terseLabel_en-US" xlink:label="lab_tlx_TenPercentIncreaseMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">+10%</link:label>
    <link:label id="lab_tlx_TenPercentIncreaseMember_label_en-US" xlink:label="lab_tlx_TenPercentIncreaseMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Ten Percent Increase [Member]</link:label>
    <link:label id="lab_tlx_TenPercentIncreaseMember_documentation_en-US" xlink:label="lab_tlx_TenPercentIncreaseMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Ten Percent Increase</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_TenPercentIncreaseMember" xlink:href="tlx-20251231.xsd#tlx_TenPercentIncreaseMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_TenPercentIncreaseMember" xlink:to="lab_tlx_TenPercentIncreaseMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ReconciliationOfChangesInOtherProvisionsAbstract_019b0124-061c-7fed-899b-400c28c7a9c6_terseLabel_en-US" xlink:label="lab_ifrs-full_ReconciliationOfChangesInOtherProvisionsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reconciliation of changes in other provisions [abstract]</link:label>
    <link:label id="lab_ifrs-full_ReconciliationOfChangesInOtherProvisionsAbstract_label_en-US" xlink:label="lab_ifrs-full_ReconciliationOfChangesInOtherProvisionsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reconciliation of changes in other provisions [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReconciliationOfChangesInOtherProvisionsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReconciliationOfChangesInOtherProvisionsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReconciliationOfChangesInOtherProvisionsAbstract" xlink:to="lab_ifrs-full_ReconciliationOfChangesInOtherProvisionsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ScheduleOfFinancialPositionSeparateFinancialStatementsTextBlock_019b4498-b788-790d-82db-676e3b53d45f_terseLabel_en-US" xlink:label="lab_tlx_ScheduleOfFinancialPositionSeparateFinancialStatementsTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Statement of Financial Position</link:label>
    <link:label id="lab_tlx_ScheduleOfFinancialPositionSeparateFinancialStatementsTextBlock_label_en-US" xlink:label="lab_tlx_ScheduleOfFinancialPositionSeparateFinancialStatementsTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Financial Position, Separate Financial Statements [Text Block]</link:label>
    <link:label id="lab_tlx_ScheduleOfFinancialPositionSeparateFinancialStatementsTextBlock_documentation_en-US" xlink:label="lab_tlx_ScheduleOfFinancialPositionSeparateFinancialStatementsTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule Of Financial Position, Separate Financial Statements</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ScheduleOfFinancialPositionSeparateFinancialStatementsTextBlock" xlink:href="tlx-20251231.xsd#tlx_ScheduleOfFinancialPositionSeparateFinancialStatementsTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ScheduleOfFinancialPositionSeparateFinancialStatementsTextBlock" xlink:to="lab_tlx_ScheduleOfFinancialPositionSeparateFinancialStatementsTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_TLX300TxMember_019b0124-06b4-7853-ab6a-905b0fa38f30_terseLabel_en-US" xlink:label="lab_tlx_TLX300TxMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">TLX300</link:label>
    <link:label id="lab_tlx_TLX300TxMember_label_en-US" xlink:label="lab_tlx_TLX300TxMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">TLX300-Tx [Member]</link:label>
    <link:label id="lab_tlx_TLX300TxMember_documentation_en-US" xlink:label="lab_tlx_TLX300TxMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for a product or business unit.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_TLX300TxMember" xlink:href="tlx-20251231.xsd#tlx_TLX300TxMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_TLX300TxMember" xlink:to="lab_tlx_TLX300TxMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_NumberOfProductsDeveloped_019c12cb-1160-7b7b-b499-a2967c1ee29a_terseLabel_en-US" xlink:label="lab_tlx_NumberOfProductsDeveloped" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of products developed</link:label>
    <link:label id="lab_tlx_NumberOfProductsDeveloped_label_en-US" xlink:label="lab_tlx_NumberOfProductsDeveloped" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Products Developed</link:label>
    <link:label id="lab_tlx_NumberOfProductsDeveloped_documentation_en-US" xlink:label="lab_tlx_NumberOfProductsDeveloped" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number Of Products Developed</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_NumberOfProductsDeveloped" xlink:href="tlx-20251231.xsd#tlx_NumberOfProductsDeveloped"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_NumberOfProductsDeveloped" xlink:to="lab_tlx_NumberOfProductsDeveloped" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfOtherOperatingIncomeExpenseExplanatory_019b0124-061c-715d-9ee2-13b9e7592e41_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherOperatingIncomeExpenseExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other (gains)/losses (net)</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfOtherOperatingIncomeExpenseExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherOperatingIncomeExpenseExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of other operating income (expense) [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOtherOperatingIncomeExpenseExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfOtherOperatingIncomeExpenseExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOtherOperatingIncomeExpenseExplanatory" xlink:to="lab_ifrs-full_DisclosureOfOtherOperatingIncomeExpenseExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis_019b0124-06b3-7395-a53c-c8b786c86c68_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of property, plant and equipment [axis]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of property, plant and equipment [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xlink:to="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory_019b0124-073c-7ba6-9187-28130c45088e_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Impairment of assets</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for impairment of assets [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_NumberOfPerformanceRightExercisedInShareBasedPaymentArrangement_019c44d6-eb1c-77a1-9a24-3c3ca84850da_negatedTerseLabel_en-US" xlink:label="lab_tlx_NumberOfPerformanceRightExercisedInShareBasedPaymentArrangement" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Performance Rights exercised (in shares)</link:label>
    <link:label id="lab_tlx_NumberOfPerformanceRightExercisedInShareBasedPaymentArrangement_label_en-US" xlink:label="lab_tlx_NumberOfPerformanceRightExercisedInShareBasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Performance Right Exercised In Share-Based Payment Arrangement</link:label>
    <link:label id="lab_tlx_NumberOfPerformanceRightExercisedInShareBasedPaymentArrangement_documentation_en-US" xlink:label="lab_tlx_NumberOfPerformanceRightExercisedInShareBasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number Of Performance Right Exercised In Share-Based Payment Arrangement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_NumberOfPerformanceRightExercisedInShareBasedPaymentArrangement" xlink:href="tlx-20251231.xsd#tlx_NumberOfPerformanceRightExercisedInShareBasedPaymentArrangement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_NumberOfPerformanceRightExercisedInShareBasedPaymentArrangement" xlink:to="lab_tlx_NumberOfPerformanceRightExercisedInShareBasedPaymentArrangement" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis_019c5515-96e6-7dbb-ae09-107c84097769_terseLabel_en-US" xlink:label="lab_ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash-generating units [axis]</link:label>
    <link:label id="lab_ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis_label_en-US" xlink:label="lab_ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash-generating units [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis" xlink:to="lab_ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentPortionOfNoncurrentBondsIssued_019b0124-06b3-780b-a5f7-310c26e7eb57_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentPortionOfNoncurrentBondsIssued" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Convertible bonds</link:label>
    <link:label id="lab_ifrs-full_NoncurrentPortionOfNoncurrentBondsIssued_019b3b0d-0c81-752a-9f18-50db6f804f85_verboseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentPortionOfNoncurrentBondsIssued" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Non-current convertible bonds</link:label>
    <link:label id="lab_ifrs-full_NoncurrentPortionOfNoncurrentBondsIssued_label_en-US" xlink:label="lab_ifrs-full_NoncurrentPortionOfNoncurrentBondsIssued" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-current portion of non-current bonds issued</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentPortionOfNoncurrentBondsIssued" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentPortionOfNoncurrentBondsIssued"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentPortionOfNoncurrentBondsIssued" xlink:to="lab_ifrs-full_NoncurrentPortionOfNoncurrentBondsIssued" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentDomain_019b0124-061c-757f-840b-c07a1926ca1e_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of property, plant and equipment [domain]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentDomain_label_en-US" xlink:label="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of property, plant and equipment [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfPropertyPlantAndEquipmentDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfPropertyPlantAndEquipmentDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfPropertyPlantAndEquipmentDomain" xlink:to="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherGainsLosses_019b0124-06b4-7260-8f94-75bdd3ef2c12_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherGainsLosses" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other gains/(losses)(net)</link:label>
    <link:label id="lab_ifrs-full_OtherGainsLosses_019b4598-5bef-73f3-8bae-3c01e174c012_verboseLabel_en-US" xlink:label="lab_ifrs-full_OtherGainsLosses" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Other (losses)/gains (net)</link:label>
    <link:label id="lab_ifrs-full_OtherGainsLosses_019bfc84-25f1-7ed4-8529-933f322e7092_negatedLabel_en-US" xlink:label="lab_ifrs-full_OtherGainsLosses" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Other losses/(gains) (net)</link:label>
    <link:label id="lab_ifrs-full_OtherGainsLosses_019b0124-06b4-7ef7-ba8c-a4e639e7ff71_negatedTotalLabel_en-US" xlink:label="lab_ifrs-full_OtherGainsLosses" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Total other losses/(gains) (net)</link:label>
    <link:label id="lab_ifrs-full_OtherGainsLosses_label_en-US" xlink:label="lab_ifrs-full_OtherGainsLosses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other gains (losses)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherGainsLosses" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherGainsLosses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherGainsLosses" xlink:to="lab_ifrs-full_OtherGainsLosses" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityAddressCountry_019b0124-06b4-73d3-9d6e-545328ba558d_terseLabel_en-US" xlink:label="lab_dei_EntityAddressCountry" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Address, Country</link:label>
    <link:label id="lab_dei_EntityAddressCountry_label_en-US" xlink:label="lab_dei_EntityAddressCountry" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Address, Country</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCountry" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressCountry"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressCountry" xlink:to="lab_dei_EntityAddressCountry" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_WorkingCapitalFacilityMember_019c3057-8770-7d03-8810-ec127255a865_terseLabel_en-US" xlink:label="lab_tlx_WorkingCapitalFacilityMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Working capital facility</link:label>
    <link:label id="lab_tlx_WorkingCapitalFacilityMember_label_en-US" xlink:label="lab_tlx_WorkingCapitalFacilityMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Working Capital Facility [Member]</link:label>
    <link:label id="lab_tlx_WorkingCapitalFacilityMember_documentation_en-US" xlink:label="lab_tlx_WorkingCapitalFacilityMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Working Capital Facility</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_WorkingCapitalFacilityMember" xlink:href="tlx-20251231.xsd#tlx_WorkingCapitalFacilityMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_WorkingCapitalFacilityMember" xlink:to="lab_tlx_WorkingCapitalFacilityMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ReconciliationOfChangesInIntangibleAssetsOtherThanGoodwillAbstract_019b0124-06b4-7a3d-b646-b2e46731c083_terseLabel_en-US" xlink:label="lab_ifrs-full_ReconciliationOfChangesInIntangibleAssetsOtherThanGoodwillAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reconciliation of changes in intangible assets other than goodwill [abstract]</link:label>
    <link:label id="lab_ifrs-full_ReconciliationOfChangesInIntangibleAssetsOtherThanGoodwillAbstract_label_en-US" xlink:label="lab_ifrs-full_ReconciliationOfChangesInIntangibleAssetsOtherThanGoodwillAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reconciliation of changes in intangible assets other than goodwill [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReconciliationOfChangesInIntangibleAssetsOtherThanGoodwillAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReconciliationOfChangesInIntangibleAssetsOtherThanGoodwillAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReconciliationOfChangesInIntangibleAssetsOtherThanGoodwillAbstract" xlink:to="lab_ifrs-full_ReconciliationOfChangesInIntangibleAssetsOtherThanGoodwillAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_UnwindOfWorkingCapitalFacilityCosts_019c122e-ab91-7c6f-b954-6e95a8205e49_terseLabel_en-US" xlink:label="lab_tlx_UnwindOfWorkingCapitalFacilityCosts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unwind of working capital facility costs</link:label>
    <link:label id="lab_tlx_UnwindOfWorkingCapitalFacilityCosts_label_en-US" xlink:label="lab_tlx_UnwindOfWorkingCapitalFacilityCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unwind of Working Capital Facility Costs</link:label>
    <link:label id="lab_tlx_UnwindOfWorkingCapitalFacilityCosts_documentation_en-US" xlink:label="lab_tlx_UnwindOfWorkingCapitalFacilityCosts" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Unwind of Working Capital Facility Costs</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_UnwindOfWorkingCapitalFacilityCosts" xlink:href="tlx-20251231.xsd#tlx_UnwindOfWorkingCapitalFacilityCosts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_UnwindOfWorkingCapitalFacilityCosts" xlink:to="lab_tlx_UnwindOfWorkingCapitalFacilityCosts" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_UnsecuredBorrowingsNonCurrent_019b0124-061c-7ecb-a382-95afc0eeac78_totalLabel_en-US" xlink:label="lab_tlx_UnsecuredBorrowingsNonCurrent" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total unsecured borrowings non current</link:label>
    <link:label id="lab_tlx_UnsecuredBorrowingsNonCurrent_label_en-US" xlink:label="lab_tlx_UnsecuredBorrowingsNonCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unsecured Borrowings, Non-Current</link:label>
    <link:label id="lab_tlx_UnsecuredBorrowingsNonCurrent_documentation_en-US" xlink:label="lab_tlx_UnsecuredBorrowingsNonCurrent" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of uncollateralized debt obligation (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_UnsecuredBorrowingsNonCurrent" xlink:href="tlx-20251231.xsd#tlx_UnsecuredBorrowingsNonCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_UnsecuredBorrowingsNonCurrent" xlink:to="lab_tlx_UnsecuredBorrowingsNonCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_currency_EUR_019b0124-06b3-7f32-a1f1-36eb3864ea9a_terseLabel_en-US" xlink:label="lab_currency_EUR" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">EUR</link:label>
    <link:label id="lab_currency_EUR_label_en-US" xlink:label="lab_currency_EUR" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Euro Member Countries, Euro</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_currency_EUR" xlink:href="https://xbrl.sec.gov/currency/2025/currency-2025.xsd#currency_EUR"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_currency_EUR" xlink:to="lab_currency_EUR" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_UnwindOfDiscountOnContingentConsiderationLiabilities_019b0124-061c-7833-a40b-4ff41bb78a02_terseLabel_en-US" xlink:label="lab_tlx_UnwindOfDiscountOnContingentConsiderationLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unwind of discount on contingent consideration liabilities</link:label>
    <link:label id="lab_tlx_UnwindOfDiscountOnContingentConsiderationLiabilities_label_en-US" xlink:label="lab_tlx_UnwindOfDiscountOnContingentConsiderationLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unwind Of Discount On Contingent Consideration Liabilities</link:label>
    <link:label id="lab_tlx_UnwindOfDiscountOnContingentConsiderationLiabilities_documentation_en-US" xlink:label="lab_tlx_UnwindOfDiscountOnContingentConsiderationLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of unwind of discount on contingent consideration liabilities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_UnwindOfDiscountOnContingentConsiderationLiabilities" xlink:href="tlx-20251231.xsd#tlx_UnwindOfDiscountOnContingentConsiderationLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_UnwindOfDiscountOnContingentConsiderationLiabilities" xlink:to="lab_tlx_UnwindOfDiscountOnContingentConsiderationLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents_019b0124-061c-7888-a057-3bddd97ce0dd_terseLabel_en-US" xlink:label="lab_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net foreign exchange differences</link:label>
    <link:label id="lab_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents_label_en-US" xlink:label="lab_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Effect of exchange rate changes on cash and cash equivalents</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" xlink:to="lab_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory_019b0124-073c-7631-9153-7fad76bdd731_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign currency translation</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for foreign currency translation [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PaymentsForDebtIssueCosts_019b0124-061c-7ef1-88cb-b294122a9fd7_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_PaymentsForDebtIssueCosts" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Transaction costs of borrowings or capital raising</link:label>
    <link:label id="lab_ifrs-full_PaymentsForDebtIssueCosts_label_en-US" xlink:label="lab_ifrs-full_PaymentsForDebtIssueCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments for debt issue costs</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PaymentsForDebtIssueCosts" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PaymentsForDebtIssueCosts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PaymentsForDebtIssueCosts" xlink:to="lab_ifrs-full_PaymentsForDebtIssueCosts" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariablePercent_019bfd83-7d40-7cde-b7b6-aaf721cb756a_terseLabel_en-US" xlink:label="lab_tlx_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariablePercent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Change in risk variable, percent</link:label>
    <link:label id="lab_tlx_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariablePercent_label_en-US" xlink:label="lab_tlx_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariablePercent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Change In Risk Variable, Percent</link:label>
    <link:label id="lab_tlx_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariablePercent_documentation_en-US" xlink:label="lab_tlx_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariablePercent" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Change In Risk Variable, Percent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariablePercent" xlink:href="tlx-20251231.xsd#tlx_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariablePercent"/>
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    <link:label id="lab_dei_DocumentAnnualReport_019b0124-061c-7087-ab59-d0fe54a9eccd_terseLabel_en-US" xlink:label="lab_dei_DocumentAnnualReport" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Annual Report</link:label>
    <link:label id="lab_dei_DocumentAnnualReport_label_en-US" xlink:label="lab_dei_DocumentAnnualReport" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Annual Report</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentAnnualReport" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentAnnualReport"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentAnnualReport" xlink:to="lab_dei_DocumentAnnualReport" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentReceivablesFromTaxesOtherThanIncomeTax_019b0124-073c-72c9-bae3-d58ae4a8f443_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentReceivablesFromTaxesOtherThanIncomeTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">GST receivables</link:label>
    <link:label id="lab_ifrs-full_CurrentReceivablesFromTaxesOtherThanIncomeTax_label_en-US" xlink:label="lab_ifrs-full_CurrentReceivablesFromTaxesOtherThanIncomeTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current receivables from taxes other than income tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentReceivablesFromTaxesOtherThanIncomeTax" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentReceivablesFromTaxesOtherThanIncomeTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentReceivablesFromTaxesOtherThanIncomeTax" xlink:to="lab_ifrs-full_CurrentReceivablesFromTaxesOtherThanIncomeTax" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentContractLiabilities_019b0124-073c-7367-9096-56638c612601_verboseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentContractLiabilities" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Contract liabilities</link:label>
    <link:label id="lab_ifrs-full_NoncurrentContractLiabilities_019b0124-073c-7cba-9f3a-005287cbf687_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentContractLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contract liabilities</link:label>
    <link:label id="lab_ifrs-full_NoncurrentContractLiabilities_label_en-US" xlink:label="lab_ifrs-full_NoncurrentContractLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-current contract liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentContractLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentContractLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentContractLiabilities" xlink:to="lab_ifrs-full_NoncurrentContractLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ReconciliationOfContingentConsiderationRollForward_019c5570-c39f-73a9-96d4-a7b9c827914b_terseLabel_en-US" xlink:label="lab_tlx_ReconciliationOfContingentConsiderationRollForward" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reconciliation of Contingent Consideration [Roll Forward]</link:label>
    <link:label id="lab_tlx_ReconciliationOfContingentConsiderationRollForward_label_en-US" xlink:label="lab_tlx_ReconciliationOfContingentConsiderationRollForward" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reconciliation of Contingent Consideration [Roll Forward]</link:label>
    <link:label id="lab_tlx_ReconciliationOfContingentConsiderationRollForward_documentation_en-US" xlink:label="lab_tlx_ReconciliationOfContingentConsiderationRollForward" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Reconciliation of Contingent Consideration</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ReconciliationOfContingentConsiderationRollForward" xlink:href="tlx-20251231.xsd#tlx_ReconciliationOfContingentConsiderationRollForward"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ReconciliationOfContingentConsiderationRollForward" xlink:to="lab_tlx_ReconciliationOfContingentConsiderationRollForward" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GeographicalAreasDomain_019b0124-06b3-7e8d-bf3f-9343f0654006_terseLabel_en-US" xlink:label="lab_ifrs-full_GeographicalAreasDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Geographical areas [domain]</link:label>
    <link:label id="lab_ifrs-full_GeographicalAreasDomain_label_en-US" xlink:label="lab_ifrs-full_GeographicalAreasDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Geographical areas [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GeographicalAreasDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GeographicalAreasDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GeographicalAreasDomain" xlink:to="lab_ifrs-full_GeographicalAreasDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_DescriptionOfAccountingPolicyForLeaseLiabilitiesPolicyTextBlock_019b0124-06b4-7449-a7f4-c08a280c2c32_terseLabel_en-US" xlink:label="lab_tlx_DescriptionOfAccountingPolicyForLeaseLiabilitiesPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lease liabilities</link:label>
    <link:label id="lab_tlx_DescriptionOfAccountingPolicyForLeaseLiabilitiesPolicyTextBlock_label_en-US" xlink:label="lab_tlx_DescriptionOfAccountingPolicyForLeaseLiabilitiesPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description Of Accounting Policy For Lease Liabilities [Policy Text Block]</link:label>
    <link:label id="lab_tlx_DescriptionOfAccountingPolicyForLeaseLiabilitiesPolicyTextBlock_documentation_en-US" xlink:label="lab_tlx_DescriptionOfAccountingPolicyForLeaseLiabilitiesPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The description of the entity's material accounting policy information for lease liabilities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_DescriptionOfAccountingPolicyForLeaseLiabilitiesPolicyTextBlock" xlink:href="tlx-20251231.xsd#tlx_DescriptionOfAccountingPolicyForLeaseLiabilitiesPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_DescriptionOfAccountingPolicyForLeaseLiabilitiesPolicyTextBlock" xlink:to="lab_tlx_DescriptionOfAccountingPolicyForLeaseLiabilitiesPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfOtherNoncurrentAssetsExplanatory_019c32f8-57ad-7531-9e80-fa9c047fbc12_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherNoncurrentAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other non-current assets</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfOtherNoncurrentAssetsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherNoncurrentAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of other non-current assets [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOtherNoncurrentAssetsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfOtherNoncurrentAssetsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOtherNoncurrentAssetsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfOtherNoncurrentAssetsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TradeAndOtherCurrentReceivables_019b0124-06b3-76a9-a2cd-9d8c09ff8275_terseLabel_en-US" xlink:label="lab_ifrs-full_TradeAndOtherCurrentReceivables" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trade and other receivables</link:label>
    <link:label id="lab_ifrs-full_TradeAndOtherCurrentReceivables_label_en-US" xlink:label="lab_ifrs-full_TradeAndOtherCurrentReceivables" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trade and other current receivables</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TradeAndOtherCurrentReceivables" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TradeAndOtherCurrentReceivables"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TradeAndOtherCurrentReceivables" xlink:to="lab_ifrs-full_TradeAndOtherCurrentReceivables" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_PatentsTrademarksLicensesAndCustomerContractsMember_019b0124-061c-77df-8dde-3c1f454c79b3_terseLabel_en-US" xlink:label="lab_tlx_PatentsTrademarksLicensesAndCustomerContractsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Patents, trademarks, licenses and customer contracts</link:label>
    <link:label id="lab_tlx_PatentsTrademarksLicensesAndCustomerContractsMember_label_en-US" xlink:label="lab_tlx_PatentsTrademarksLicensesAndCustomerContractsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Patents, Trademarks, Licenses And Customer Contracts [Member]</link:label>
    <link:label id="lab_tlx_PatentsTrademarksLicensesAndCustomerContractsMember_documentation_en-US" xlink:label="lab_tlx_PatentsTrademarksLicensesAndCustomerContractsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for a class of intangible assets representing patents, trademarks, licenses and customer contracts.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_PatentsTrademarksLicensesAndCustomerContractsMember" xlink:href="tlx-20251231.xsd#tlx_PatentsTrademarksLicensesAndCustomerContractsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_PatentsTrademarksLicensesAndCustomerContractsMember" xlink:to="lab_tlx_PatentsTrademarksLicensesAndCustomerContractsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialRiskManagementExplanatory_019b0124-06b3-7996-946c-0a46dba07c27_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialRiskManagementExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial risk management</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialRiskManagementExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialRiskManagementExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of financial risk management [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFinancialRiskManagementExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinancialRiskManagementExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinancialRiskManagementExplanatory" xlink:to="lab_ifrs-full_DisclosureOfFinancialRiskManagementExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityInteractiveDataCurrent_019b0124-073c-7639-adff-8f70bbad7ea0_terseLabel_en-US" xlink:label="lab_dei_EntityInteractiveDataCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Interactive Data Current</link:label>
    <link:label id="lab_dei_EntityInteractiveDataCurrent_label_en-US" xlink:label="lab_dei_EntityInteractiveDataCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Interactive Data Current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityInteractiveDataCurrent" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityInteractiveDataCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityInteractiveDataCurrent" xlink:to="lab_dei_EntityInteractiveDataCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentAssetsRecognisedAsOfAcquisitionDate_019b0124-073c-776f-a8fc-99273a94b7aa_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentAssetsRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other current assets</link:label>
    <link:label id="lab_ifrs-full_CurrentAssetsRecognisedAsOfAcquisitionDate_label_en-US" xlink:label="lab_ifrs-full_CurrentAssetsRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current assets recognised as of acquisition date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentAssetsRecognisedAsOfAcquisitionDate" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentAssetsRecognisedAsOfAcquisitionDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentAssetsRecognisedAsOfAcquisitionDate" xlink:to="lab_ifrs-full_CurrentAssetsRecognisedAsOfAcquisitionDate" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_BNPParibasAndIMBCGroupMember_019b0124-061c-749e-9634-646a461ec7be_terseLabel_en-US" xlink:label="lab_tlx_BNPParibasAndIMBCGroupMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">BNP Paribas and IMBC Group</link:label>
    <link:label id="lab_tlx_BNPParibasAndIMBCGroupMember_label_en-US" xlink:label="lab_tlx_BNPParibasAndIMBCGroupMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">BNP Paribas and IMBC Group [Member]</link:label>
    <link:label id="lab_tlx_BNPParibasAndIMBCGroupMember_documentation_en-US" xlink:label="lab_tlx_BNPParibasAndIMBCGroupMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for the name of financial institution which company made loan agreement.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_BNPParibasAndIMBCGroupMember" xlink:href="tlx-20251231.xsd#tlx_BNPParibasAndIMBCGroupMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_BNPParibasAndIMBCGroupMember" xlink:to="lab_tlx_BNPParibasAndIMBCGroupMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputLiabilities_019be990-187f-7040-b212-849626c009da_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Increase (decrease) in fair value measurement due to reasonably possible increase in unobservable input, liabilities</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputLiabilities_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) in fair value measurement due to reasonably possible increase in unobservable input, liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputLiabilities" xlink:to="lab_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionLineItems_019b45db-3ac0-7780-90a9-694fcda9604b_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of attribution of expenses by nature to their function [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of attribution of expenses by nature to their function [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionLineItems" xlink:to="lab_ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LevelsOfFairValueHierarchyAxis_019b0124-061c-79ee-8af7-521c8e977212_terseLabel_en-US" xlink:label="lab_ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Levels of fair value hierarchy [axis]</link:label>
    <link:label id="lab_ifrs-full_LevelsOfFairValueHierarchyAxis_label_en-US" xlink:label="lab_ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Levels of fair value hierarchy [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LevelsOfFairValueHierarchyAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:to="lab_ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ScheduleOfContingentConsiderationValuationTextBlock_019b0124-061c-7f19-9a68-4be0558161e8_terseLabel_en-US" xlink:label="lab_tlx_ScheduleOfContingentConsiderationValuationTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Contingent Consideration Valuation</link:label>
    <link:label id="lab_tlx_ScheduleOfContingentConsiderationValuationTextBlock_label_en-US" xlink:label="lab_tlx_ScheduleOfContingentConsiderationValuationTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Contingent Consideration Valuation [Text Block]</link:label>
    <link:label id="lab_tlx_ScheduleOfContingentConsiderationValuationTextBlock_documentation_en-US" xlink:label="lab_tlx_ScheduleOfContingentConsiderationValuationTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tabular disclosure of information about contingent consideration valuation.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ScheduleOfContingentConsiderationValuationTextBlock" xlink:href="tlx-20251231.xsd#tlx_ScheduleOfContingentConsiderationValuationTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ScheduleOfContingentConsiderationValuationTextBlock" xlink:to="lab_tlx_ScheduleOfContingentConsiderationValuationTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_OtherResearchAndDevelopmentProjectsMember_019b0124-061c-79cc-a7dd-69e23fdcd19d_terseLabel_en-US" xlink:label="lab_tlx_OtherResearchAndDevelopmentProjectsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other research and development projects</link:label>
    <link:label id="lab_tlx_OtherResearchAndDevelopmentProjectsMember_label_en-US" xlink:label="lab_tlx_OtherResearchAndDevelopmentProjectsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Research And Development Projects [Member]</link:label>
    <link:label id="lab_tlx_OtherResearchAndDevelopmentProjectsMember_documentation_en-US" xlink:label="lab_tlx_OtherResearchAndDevelopmentProjectsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for pre-clinical expenses and research expenditure on novel targets and technologies.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_OtherResearchAndDevelopmentProjectsMember" xlink:href="tlx-20251231.xsd#tlx_OtherResearchAndDevelopmentProjectsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_OtherResearchAndDevelopmentProjectsMember" xlink:to="lab_tlx_OtherResearchAndDevelopmentProjectsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_DisclosureOfDetailedInformationAboutGeneralAndAdministrationCostsExplanatoryTableTextBlock_019b0124-06b3-7042-90a4-6e6a051c82d7_terseLabel_en-US" xlink:label="lab_tlx_DisclosureOfDetailedInformationAboutGeneralAndAdministrationCostsExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of General and Administration Costs</link:label>
    <link:label id="lab_tlx_DisclosureOfDetailedInformationAboutGeneralAndAdministrationCostsExplanatoryTableTextBlock_label_en-US" xlink:label="lab_tlx_DisclosureOfDetailedInformationAboutGeneralAndAdministrationCostsExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About General And Administration Costs Explanatory [Table Text Block]</link:label>
    <link:label id="lab_tlx_DisclosureOfDetailedInformationAboutGeneralAndAdministrationCostsExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_tlx_DisclosureOfDetailedInformationAboutGeneralAndAdministrationCostsExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of detailed information about general and administrative costs.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_DisclosureOfDetailedInformationAboutGeneralAndAdministrationCostsExplanatoryTableTextBlock" xlink:href="tlx-20251231.xsd#tlx_DisclosureOfDetailedInformationAboutGeneralAndAdministrationCostsExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_DisclosureOfDetailedInformationAboutGeneralAndAdministrationCostsExplanatoryTableTextBlock" xlink:to="lab_tlx_DisclosureOfDetailedInformationAboutGeneralAndAdministrationCostsExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinanceCosts_019b0124-061c-7647-835f-21d69a766f7d_negatedLabel_en-US" xlink:label="lab_ifrs-full_FinanceCosts" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Finance costs</link:label>
    <link:label id="lab_ifrs-full_FinanceCosts_019b0124-061c-7f7c-8f94-d0623f230a6b_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_FinanceCosts" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Finance costs</link:label>
    <link:label id="lab_ifrs-full_FinanceCosts_019b0124-061c-7583-b9bd-a883fa098fd6_totalLabel_en-US" xlink:label="lab_ifrs-full_FinanceCosts" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Finance costs</link:label>
    <link:label id="lab_ifrs-full_FinanceCosts_label_en-US" xlink:label="lab_ifrs-full_FinanceCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finance costs</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinanceCosts" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinanceCosts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinanceCosts" xlink:to="lab_ifrs-full_FinanceCosts" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialAssetsExplanatory_019b0124-061c-734f-ac81-19743b473102_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Financial Assets</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialAssetsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of financial assets [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFinancialAssetsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinancialAssetsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinancialAssetsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfFinancialAssetsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AcquisitionsThroughBusinessCombinationsPropertyPlantAndEquipment_019b0124-06b4-7015-8670-fc15b7363d37_terseLabel_en-US" xlink:label="lab_ifrs-full_AcquisitionsThroughBusinessCombinationsPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Acquisition of businesses</link:label>
    <link:label id="lab_ifrs-full_AcquisitionsThroughBusinessCombinationsPropertyPlantAndEquipment_label_en-US" xlink:label="lab_ifrs-full_AcquisitionsThroughBusinessCombinationsPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Acquisitions through business combinations, property, plant and equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AcquisitionsThroughBusinessCombinationsPropertyPlantAndEquipment" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AcquisitionsThroughBusinessCombinationsPropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AcquisitionsThroughBusinessCombinationsPropertyPlantAndEquipment" xlink:to="lab_ifrs-full_AcquisitionsThroughBusinessCombinationsPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfCreditRiskExposureTable_019bea1c-d319-75f6-a3b0-58bbf7b7a261_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfCreditRiskExposureTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of credit risk exposure [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfCreditRiskExposureTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfCreditRiskExposureTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of credit risk exposure [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfCreditRiskExposureTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfCreditRiskExposureTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfCreditRiskExposureTable" xlink:to="lab_ifrs-full_DisclosureOfCreditRiskExposureTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfMaterialAccountingPolicyInformationExplanatory_019b0124-06b3-714d-acbc-a3d020fe69a7_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfMaterialAccountingPolicyInformationExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Material accounting policy information</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfMaterialAccountingPolicyInformationExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfMaterialAccountingPolicyInformationExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of material accounting policy information [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfMaterialAccountingPolicyInformationExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfMaterialAccountingPolicyInformationExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfMaterialAccountingPolicyInformationExplanatory" xlink:to="lab_ifrs-full_DisclosureOfMaterialAccountingPolicyInformationExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_HSBCBankAustraliaLtdMember_019b0124-061c-721e-b030-c2323f7f1cef_terseLabel_en-US" xlink:label="lab_tlx_HSBCBankAustraliaLtdMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">HSBC Bank Australia Ltd</link:label>
    <link:label id="lab_tlx_HSBCBankAustraliaLtdMember_label_en-US" xlink:label="lab_tlx_HSBCBankAustraliaLtdMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">HSBC Bank Australia Ltd [Member]</link:label>
    <link:label id="lab_tlx_HSBCBankAustraliaLtdMember_documentation_en-US" xlink:label="lab_tlx_HSBCBankAustraliaLtdMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for the name of financial institution which company made loan agreement.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_HSBCBankAustraliaLtdMember" xlink:href="tlx-20251231.xsd#tlx_HSBCBankAustraliaLtdMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_HSBCBankAustraliaLtdMember" xlink:to="lab_tlx_HSBCBankAustraliaLtdMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfOtherCurrentAssetsExplanatory_019b0124-06b4-7fe5-9ce4-3c9effc905b0_verboseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherCurrentAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Other current assets</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfOtherCurrentAssetsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherCurrentAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of other current assets [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOtherCurrentAssetsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfOtherCurrentAssetsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOtherCurrentAssetsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfOtherCurrentAssetsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_DisclosureOfDetailedInformationAboutMaturityAnalysisForBorrowingsFromLendersTextBlock_019b0124-061c-7c3e-8a08-ed529baa052b_terseLabel_en-US" xlink:label="lab_tlx_DisclosureOfDetailedInformationAboutMaturityAnalysisForBorrowingsFromLendersTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Maturity Analysis for Borrowings From Lenders</link:label>
    <link:label id="lab_tlx_DisclosureOfDetailedInformationAboutMaturityAnalysisForBorrowingsFromLendersTextBlock_label_en-US" xlink:label="lab_tlx_DisclosureOfDetailedInformationAboutMaturityAnalysisForBorrowingsFromLendersTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Maturity Analysis For Borrowings From Lenders [Text Block]</link:label>
    <link:label id="lab_tlx_DisclosureOfDetailedInformationAboutMaturityAnalysisForBorrowingsFromLendersTextBlock_documentation_en-US" xlink:label="lab_tlx_DisclosureOfDetailedInformationAboutMaturityAnalysisForBorrowingsFromLendersTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of maturity analysis for borrowings from lenders.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_DisclosureOfDetailedInformationAboutMaturityAnalysisForBorrowingsFromLendersTextBlock" xlink:href="tlx-20251231.xsd#tlx_DisclosureOfDetailedInformationAboutMaturityAnalysisForBorrowingsFromLendersTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_DisclosureOfDetailedInformationAboutMaturityAnalysisForBorrowingsFromLendersTextBlock" xlink:to="lab_tlx_DisclosureOfDetailedInformationAboutMaturityAnalysisForBorrowingsFromLendersTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_SecuredWorkingCapitalFacilityNonCurrent_019b0124-061c-7b34-bdde-cff7fee6df0d_negatedLabel_en-US" xlink:label="lab_tlx_SecuredWorkingCapitalFacilityNonCurrent" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Non-current secured working capital facility</link:label>
    <link:label id="lab_tlx_SecuredWorkingCapitalFacilityNonCurrent_label_en-US" xlink:label="lab_tlx_SecuredWorkingCapitalFacilityNonCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Secured Working Capital Facility, Non-Current</link:label>
    <link:label id="lab_tlx_SecuredWorkingCapitalFacilityNonCurrent_documentation_en-US" xlink:label="lab_tlx_SecuredWorkingCapitalFacilityNonCurrent" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The non-current portion of non-current secured working capital facility received.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_SecuredWorkingCapitalFacilityNonCurrent" xlink:href="tlx-20251231.xsd#tlx_SecuredWorkingCapitalFacilityNonCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_SecuredWorkingCapitalFacilityNonCurrent" xlink:to="lab_tlx_SecuredWorkingCapitalFacilityNonCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_SurplusOfForeignCurrencyReceivablesAndFinancialAssetsOverPayables_019b0124-061c-78ff-b284-e4bbc2a7f269_terseLabel_en-US" xlink:label="lab_tlx_SurplusOfForeignCurrencyReceivablesAndFinancialAssetsOverPayables" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Surplus of foreign currency receivables and financial assets over payables</link:label>
    <link:label id="lab_tlx_SurplusOfForeignCurrencyReceivablesAndFinancialAssetsOverPayables_label_en-US" xlink:label="lab_tlx_SurplusOfForeignCurrencyReceivablesAndFinancialAssetsOverPayables" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Surplus Of Foreign Currency Receivables And Financial Assets Over Payables</link:label>
    <link:label id="lab_tlx_SurplusOfForeignCurrencyReceivablesAndFinancialAssetsOverPayables_documentation_en-US" xlink:label="lab_tlx_SurplusOfForeignCurrencyReceivablesAndFinancialAssetsOverPayables" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of foreign currency receivables and financial assets exceeding the amount of payables.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_SurplusOfForeignCurrencyReceivablesAndFinancialAssetsOverPayables" xlink:href="tlx-20251231.xsd#tlx_SurplusOfForeignCurrencyReceivablesAndFinancialAssetsOverPayables"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_SurplusOfForeignCurrencyReceivablesAndFinancialAssetsOverPayables" xlink:to="lab_tlx_SurplusOfForeignCurrencyReceivablesAndFinancialAssetsOverPayables" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_TaxEffectOfAmountsWhichAreNotDeductibleTaxableInCalculatingTaxableIncomeAbstract_019b0124-06b3-7c66-a5ff-837442395c3a_terseLabel_en-US" xlink:label="lab_tlx_TaxEffectOfAmountsWhichAreNotDeductibleTaxableInCalculatingTaxableIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tax effect of amounts which are not deductible (taxable) in calculating taxable income:</link:label>
    <link:label id="lab_tlx_TaxEffectOfAmountsWhichAreNotDeductibleTaxableInCalculatingTaxableIncomeAbstract_label_en-US" xlink:label="lab_tlx_TaxEffectOfAmountsWhichAreNotDeductibleTaxableInCalculatingTaxableIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax effect of amounts which are not deductible (taxable) in calculating taxable income [Abstract]</link:label>
    <link:label id="lab_tlx_TaxEffectOfAmountsWhichAreNotDeductibleTaxableInCalculatingTaxableIncomeAbstract_documentation_en-US" xlink:label="lab_tlx_TaxEffectOfAmountsWhichAreNotDeductibleTaxableInCalculatingTaxableIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tax effect of amounts which are not deductible (taxable) in calculating taxable income [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_TaxEffectOfAmountsWhichAreNotDeductibleTaxableInCalculatingTaxableIncomeAbstract" xlink:href="tlx-20251231.xsd#tlx_TaxEffectOfAmountsWhichAreNotDeductibleTaxableInCalculatingTaxableIncomeAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_TaxEffectOfAmountsWhichAreNotDeductibleTaxableInCalculatingTaxableIncomeAbstract" xlink:to="lab_tlx_TaxEffectOfAmountsWhichAreNotDeductibleTaxableInCalculatingTaxableIncomeAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_RevenueFromResearchAndDevelopmentServices_019b0124-06b4-7b2f-b3e4-a0914a4feb64_terseLabel_en-US" xlink:label="lab_tlx_RevenueFromResearchAndDevelopmentServices" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Research and development services</link:label>
    <link:label id="lab_tlx_RevenueFromResearchAndDevelopmentServices_label_en-US" xlink:label="lab_tlx_RevenueFromResearchAndDevelopmentServices" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue From Research And Development Services</link:label>
    <link:label id="lab_tlx_RevenueFromResearchAndDevelopmentServices_documentation_en-US" xlink:label="lab_tlx_RevenueFromResearchAndDevelopmentServices" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of income arising from research and development services.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_RevenueFromResearchAndDevelopmentServices" xlink:href="tlx-20251231.xsd#tlx_RevenueFromResearchAndDevelopmentServices"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_RevenueFromResearchAndDevelopmentServices" xlink:to="lab_tlx_RevenueFromResearchAndDevelopmentServices" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RevenueFromRoyalties_019b0124-06b3-7bf8-8897-27d1f2dab5ed_terseLabel_en-US" xlink:label="lab_ifrs-full_RevenueFromRoyalties" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Royalty income</link:label>
    <link:label id="lab_ifrs-full_RevenueFromRoyalties_label_en-US" xlink:label="lab_ifrs-full_RevenueFromRoyalties" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Royalty income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RevenueFromRoyalties" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RevenueFromRoyalties"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RevenueFromRoyalties" xlink:to="lab_ifrs-full_RevenueFromRoyalties" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_TherapeiaGmbHCoKGMember_019b0124-073c-7e37-a4ee-acf2a065963e_terseLabel_en-US" xlink:label="lab_tlx_TherapeiaGmbHCoKGMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Therapeia GmbH &amp; Co. KG</link:label>
    <link:label id="lab_tlx_TherapeiaGmbHCoKGMember_label_en-US" xlink:label="lab_tlx_TherapeiaGmbHCoKGMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Therapeia GmbH &amp; Co. KG [Member]</link:label>
    <link:label id="lab_tlx_TherapeiaGmbHCoKGMember_documentation_en-US" xlink:label="lab_tlx_TherapeiaGmbHCoKGMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The name of the entity which is controlled by another entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_TherapeiaGmbHCoKGMember" xlink:href="tlx-20251231.xsd#tlx_TherapeiaGmbHCoKGMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_TherapeiaGmbHCoKGMember" xlink:to="lab_tlx_TherapeiaGmbHCoKGMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityCentralIndexKey_019b0124-06b3-7833-9323-fe430c8d12b0_terseLabel_en-US" xlink:label="lab_dei_EntityCentralIndexKey" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Central Index Key</link:label>
    <link:label id="lab_dei_EntityCentralIndexKey_label_en-US" xlink:label="lab_dei_EntityCentralIndexKey" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Central Index Key</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityCentralIndexKey"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCentralIndexKey" xlink:to="lab_dei_EntityCentralIndexKey" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NumberOfOutstandingShareOptions_019b0124-061c-7ad1-a7dc-d2f2d8deddbe_periodStartLabel_en-US" xlink:label="lab_ifrs-full_NumberOfOutstandingShareOptions" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Balance at beginning (in shares)</link:label>
    <link:label id="lab_ifrs-full_NumberOfOutstandingShareOptions_019b0124-061c-78e2-9906-8c7eb5e0b51a_periodEndLabel_en-US" xlink:label="lab_ifrs-full_NumberOfOutstandingShareOptions" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Balance at ending (in shares)</link:label>
    <link:label id="lab_ifrs-full_NumberOfOutstandingShareOptions_label_en-US" xlink:label="lab_ifrs-full_NumberOfOutstandingShareOptions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of share options outstanding in share-based payment arrangement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfOutstandingShareOptions" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NumberOfOutstandingShareOptions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfOutstandingShareOptions" xlink:to="lab_ifrs-full_NumberOfOutstandingShareOptions" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProfessionalFeesExpense_019b0124-061c-7441-a42a-cbf6a7e872a9_terseLabel_en-US" xlink:label="lab_ifrs-full_ProfessionalFeesExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Professional fees</link:label>
    <link:label id="lab_ifrs-full_ProfessionalFeesExpense_label_en-US" xlink:label="lab_ifrs-full_ProfessionalFeesExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Professional fees expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfessionalFeesExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfessionalFeesExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfessionalFeesExpense" xlink:to="lab_ifrs-full_ProfessionalFeesExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis_019b0124-06b3-7278-920d-149a47f16b1d_terseLabel_en-US" xlink:label="lab_ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Valuation techniques used in fair value measurement [axis]</link:label>
    <link:label id="lab_ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis_label_en-US" xlink:label="lab_ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Valuation techniques used in fair value measurement [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis" xlink:to="lab_ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_TLX101TxMember_019b0124-06b4-7ecf-a527-2128971e567c_terseLabel_en-US" xlink:label="lab_tlx_TLX101TxMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">TLX101</link:label>
    <link:label id="lab_tlx_TLX101TxMember_019c75d2-61bf-7c68-b7e9-1d2a77568d7f_verboseLabel_en-US" xlink:label="lab_tlx_TLX101TxMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">TLX101-Tx</link:label>
    <link:label id="lab_tlx_TLX101TxMember_label_en-US" xlink:label="lab_tlx_TLX101TxMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">TLX101-Tx [Member]</link:label>
    <link:label id="lab_tlx_TLX101TxMember_documentation_en-US" xlink:label="lab_tlx_TLX101TxMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for a product or business unit.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_TLX101TxMember" xlink:href="tlx-20251231.xsd#tlx_TLX101TxMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_TLX101TxMember" xlink:to="lab_tlx_TLX101TxMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ReconciliationOfChangesInDeferredTaxLiabilityAssetAbstract_019b0124-06b3-748d-bef9-a507b09faf9d_terseLabel_en-US" xlink:label="lab_ifrs-full_ReconciliationOfChangesInDeferredTaxLiabilityAssetAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reconciliation of changes in deferred tax liability (asset) [abstract]</link:label>
    <link:label id="lab_ifrs-full_ReconciliationOfChangesInDeferredTaxLiabilityAssetAbstract_label_en-US" xlink:label="lab_ifrs-full_ReconciliationOfChangesInDeferredTaxLiabilityAssetAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reconciliation of changes in deferred tax liability (asset) [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReconciliationOfChangesInDeferredTaxLiabilityAssetAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReconciliationOfChangesInDeferredTaxLiabilityAssetAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReconciliationOfChangesInDeferredTaxLiabilityAssetAbstract" xlink:to="lab_ifrs-full_ReconciliationOfChangesInDeferredTaxLiabilityAssetAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AcquisitionrelatedCostsForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination_019b0124-061c-7cd3-a5d8-99a73512ebf5_terseLabel_en-US" xlink:label="lab_ifrs-full_AcquisitionrelatedCostsForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Acquisition transaction costs</link:label>
    <link:label id="lab_ifrs-full_AcquisitionrelatedCostsForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination_label_en-US" xlink:label="lab_ifrs-full_AcquisitionrelatedCostsForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Acquisition-related costs for transaction recognised separately from acquisition of assets and assumption of liabilities in business combination</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AcquisitionrelatedCostsForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AcquisitionrelatedCostsForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AcquisitionrelatedCostsForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination" xlink:to="lab_ifrs-full_AcquisitionrelatedCostsForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BasicEarningsPerShareAbstract_019b0124-061c-7451-9c6e-58ab2672b4ec_terseLabel_en-US" xlink:label="lab_ifrs-full_BasicEarningsPerShareAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Basic earnings per share [Abstract]</link:label>
    <link:label id="lab_ifrs-full_BasicEarningsPerShareAbstract_label_en-US" xlink:label="lab_ifrs-full_BasicEarningsPerShareAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Basic earnings per share [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BasicEarningsPerShareAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BasicEarningsPerShareAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BasicEarningsPerShareAbstract" xlink:to="lab_ifrs-full_BasicEarningsPerShareAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProfitLossAttributableToAbstract_019b0124-06b3-7f4b-97f6-8badd9de5a2c_terseLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossAttributableToAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">(Loss)/profit for the year attributable to:</link:label>
    <link:label id="lab_ifrs-full_ProfitLossAttributableToAbstract_label_en-US" xlink:label="lab_ifrs-full_ProfitLossAttributableToAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Profit (loss), attributable to [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLossAttributableToAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossAttributableToAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfitLossAttributableToAbstract" xlink:to="lab_ifrs-full_ProfitLossAttributableToAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_AdjustmentsForDecreaseIncreaseInTradeCreditors_019b0124-073c-7531-ae79-a577fbee1215_terseLabel_en-US" xlink:label="lab_tlx_AdjustmentsForDecreaseIncreaseInTradeCreditors" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Increase in trade creditors</link:label>
    <link:label id="lab_tlx_AdjustmentsForDecreaseIncreaseInTradeCreditors_label_en-US" xlink:label="lab_tlx_AdjustmentsForDecreaseIncreaseInTradeCreditors" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments For Decrease (Increase) In Trade Creditors</link:label>
    <link:label id="lab_tlx_AdjustmentsForDecreaseIncreaseInTradeCreditors_documentation_en-US" xlink:label="lab_tlx_AdjustmentsForDecreaseIncreaseInTradeCreditors" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Adjustments for decrease (increase) in trade creditors to reconcile profit (loss) to net cash flow from (used in) operating activities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_AdjustmentsForDecreaseIncreaseInTradeCreditors" xlink:href="tlx-20251231.xsd#tlx_AdjustmentsForDecreaseIncreaseInTradeCreditors"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_AdjustmentsForDecreaseIncreaseInTradeCreditors" xlink:to="lab_tlx_AdjustmentsForDecreaseIncreaseInTradeCreditors" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProfitLossOfCombinedEntity_019c63ef-c051-7c20-9484-3430b78fa472_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossOfCombinedEntity" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Net loss of combined entity as if combination occurred at beginning of period</link:label>
    <link:label id="lab_ifrs-full_ProfitLossOfCombinedEntity_label_en-US" xlink:label="lab_ifrs-full_ProfitLossOfCombinedEntity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Profit (loss) of combined entity as if combination occurred at beginning of period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLossOfCombinedEntity" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossOfCombinedEntity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfitLossOfCombinedEntity" xlink:to="lab_ifrs-full_ProfitLossOfCombinedEntity" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RiskExposureAssociatedWithInstrumentsSharingCharacteristic_019bea1c-d31a-788e-964b-ba181bc0d233_terseLabel_en-US" xlink:label="lab_ifrs-full_RiskExposureAssociatedWithInstrumentsSharingCharacteristic" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity</link:label>
    <link:label id="lab_ifrs-full_RiskExposureAssociatedWithInstrumentsSharingCharacteristic_label_en-US" xlink:label="lab_ifrs-full_RiskExposureAssociatedWithInstrumentsSharingCharacteristic" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Risk exposure associated with instruments sharing characteristic</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RiskExposureAssociatedWithInstrumentsSharingCharacteristic" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RiskExposureAssociatedWithInstrumentsSharingCharacteristic"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RiskExposureAssociatedWithInstrumentsSharingCharacteristic" xlink:to="lab_ifrs-full_RiskExposureAssociatedWithInstrumentsSharingCharacteristic" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_SecuredWorkingCapitalFacilityCurrent_019bfd18-2ae6-72e8-920f-ee3b2d5b3c19_negatedLabel_en-US" xlink:label="lab_tlx_SecuredWorkingCapitalFacilityCurrent" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Current secured working capital facility</link:label>
    <link:label id="lab_tlx_SecuredWorkingCapitalFacilityCurrent_label_en-US" xlink:label="lab_tlx_SecuredWorkingCapitalFacilityCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Secured Working Capital Facility, Current</link:label>
    <link:label id="lab_tlx_SecuredWorkingCapitalFacilityCurrent_documentation_en-US" xlink:label="lab_tlx_SecuredWorkingCapitalFacilityCurrent" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of current secured working capital facility current received and the current portion of non-current secured working capital facility current received.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_SecuredWorkingCapitalFacilityCurrent" xlink:href="tlx-20251231.xsd#tlx_SecuredWorkingCapitalFacilityCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_SecuredWorkingCapitalFacilityCurrent" xlink:to="lab_tlx_SecuredWorkingCapitalFacilityCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract_019b0124-073c-7895-bf0e-8cab1de2aa13_terseLabel_en-US" xlink:label="lab_ifrs-full_ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, plant and equipment [Abstract]</link:label>
    <link:label id="lab_ifrs-full_ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract_label_en-US" xlink:label="lab_ifrs-full_ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reconciliation of changes in property, plant and equipment [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract" xlink:to="lab_ifrs-full_ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityFilerCategory_019b0124-061c-71bb-bb58-80559f0937ae_terseLabel_en-US" xlink:label="lab_dei_EntityFilerCategory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Filer Category</link:label>
    <link:label id="lab_dei_EntityFilerCategory_label_en-US" xlink:label="lab_dei_EntityFilerCategory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Filer Category</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFilerCategory" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityFilerCategory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityFilerCategory" xlink:to="lab_dei_EntityFilerCategory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DiscountedCashFlowMember_019b0124-061c-748c-8ab5-21921bff206b_terseLabel_en-US" xlink:label="lab_ifrs-full_DiscountedCashFlowMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Discounted cash flow</link:label>
    <link:label id="lab_ifrs-full_DiscountedCashFlowMember_label_en-US" xlink:label="lab_ifrs-full_DiscountedCashFlowMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Discounted cash flow [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DiscountedCashFlowMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DiscountedCashFlowMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DiscountedCashFlowMember" xlink:to="lab_ifrs-full_DiscountedCashFlowMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_NumberOfLoanAgreements_019b0124-073c-7880-b6fd-b45bb611d71a_terseLabel_en-US" xlink:label="lab_tlx_NumberOfLoanAgreements" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of loan agreements</link:label>
    <link:label id="lab_tlx_NumberOfLoanAgreements_label_en-US" xlink:label="lab_tlx_NumberOfLoanAgreements" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Loan Agreements</link:label>
    <link:label id="lab_tlx_NumberOfLoanAgreements_documentation_en-US" xlink:label="lab_tlx_NumberOfLoanAgreements" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The number of loan agreements.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_NumberOfLoanAgreements" xlink:href="tlx-20251231.xsd#tlx_NumberOfLoanAgreements"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_NumberOfLoanAgreements" xlink:to="lab_tlx_NumberOfLoanAgreements" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_MilestonePaymentOnReceiptOfSecondMarketingApproval_019b0124-061c-7d09-a766-d695c1f578e3_terseLabel_en-US" xlink:label="lab_tlx_MilestonePaymentOnReceiptOfSecondMarketingApproval" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Milestone payment on receipt of second marketing approval</link:label>
    <link:label id="lab_tlx_MilestonePaymentOnReceiptOfSecondMarketingApproval_label_en-US" xlink:label="lab_tlx_MilestonePaymentOnReceiptOfSecondMarketingApproval" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Milestone Payment On Receipt Of Second Marketing Approval</link:label>
    <link:label id="lab_tlx_MilestonePaymentOnReceiptOfSecondMarketingApproval_documentation_en-US" xlink:label="lab_tlx_MilestonePaymentOnReceiptOfSecondMarketingApproval" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of milestone payment on receipt of second marketing approval.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_MilestonePaymentOnReceiptOfSecondMarketingApproval" xlink:href="tlx-20251231.xsd#tlx_MilestonePaymentOnReceiptOfSecondMarketingApproval"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_MilestonePaymentOnReceiptOfSecondMarketingApproval" xlink:to="lab_tlx_MilestonePaymentOnReceiptOfSecondMarketingApproval" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment_019b0124-06b4-7e33-ad2d-4454d783e56a_verboseLabel_en-US" xlink:label="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Additions</link:label>
    <link:label id="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment_label_en-US" xlink:label="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Additions other than through business combinations, property, plant and equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment" xlink:to="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_RentAndInsuranceCosts_019b0124-061c-76cc-b116-5b8c7d54bfa2_terseLabel_en-US" xlink:label="lab_tlx_RentAndInsuranceCosts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Rent and insurance</link:label>
    <link:label id="lab_tlx_RentAndInsuranceCosts_label_en-US" xlink:label="lab_tlx_RentAndInsuranceCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Rent And Insurance Costs</link:label>
    <link:label id="lab_tlx_RentAndInsuranceCosts_documentation_en-US" xlink:label="lab_tlx_RentAndInsuranceCosts" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of expenses relating to rent and insurances.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_RentAndInsuranceCosts" xlink:href="tlx-20251231.xsd#tlx_RentAndInsuranceCosts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_RentAndInsuranceCosts" xlink:to="lab_tlx_RentAndInsuranceCosts" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProfitLossFromOperatingActivities_019b0124-073c-73b0-90fd-5e0ad63abe02_totalLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossFromOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Operating profit</link:label>
    <link:label id="lab_ifrs-full_ProfitLossFromOperatingActivities_label_en-US" xlink:label="lab_ifrs-full_ProfitLossFromOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Profit (loss) from operating activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLossFromOperatingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossFromOperatingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfitLossFromOperatingActivities" xlink:to="lab_ifrs-full_ProfitLossFromOperatingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_TelixPharmaJapanKKMember_019b0124-06b4-77e6-9bba-6c9e033cc547_terseLabel_en-US" xlink:label="lab_tlx_TelixPharmaJapanKKMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Telix Pharma Japan KK</link:label>
    <link:label id="lab_tlx_TelixPharmaJapanKKMember_label_en-US" xlink:label="lab_tlx_TelixPharmaJapanKKMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Telix Pharma Japan KK [Member]</link:label>
    <link:label id="lab_tlx_TelixPharmaJapanKKMember_documentation_en-US" xlink:label="lab_tlx_TelixPharmaJapanKKMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The name of the entity which is controlled by another entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_TelixPharmaJapanKKMember" xlink:href="tlx-20251231.xsd#tlx_TelixPharmaJapanKKMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_TelixPharmaJapanKKMember" xlink:to="lab_tlx_TelixPharmaJapanKKMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ForeignCurrencyRiskAbstract_019b0124-061c-75de-aeae-74dbb23c80a4_terseLabel_en-US" xlink:label="lab_tlx_ForeignCurrencyRiskAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign currency risk [Abstract]</link:label>
    <link:label id="lab_tlx_ForeignCurrencyRiskAbstract_label_en-US" xlink:label="lab_tlx_ForeignCurrencyRiskAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Foreign Currency Risk [Abstract]</link:label>
    <link:label id="lab_tlx_ForeignCurrencyRiskAbstract_documentation_en-US" xlink:label="lab_tlx_ForeignCurrencyRiskAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Foreign currency risk [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ForeignCurrencyRiskAbstract" xlink:href="tlx-20251231.xsd#tlx_ForeignCurrencyRiskAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ForeignCurrencyRiskAbstract" xlink:to="lab_tlx_ForeignCurrencyRiskAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherCurrentReceivables_019b0124-061c-70e7-888c-533c1ce19318_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherCurrentReceivables" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other receivables</link:label>
    <link:label id="lab_ifrs-full_OtherCurrentReceivables_label_en-US" xlink:label="lab_ifrs-full_OtherCurrentReceivables" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other current receivables</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherCurrentReceivables" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherCurrentReceivables"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherCurrentReceivables" xlink:to="lab_ifrs-full_OtherCurrentReceivables" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_UnwindOfDiscountInContractLiabilities_019b0124-061c-79cb-abc4-c215d6446483_terseLabel_en-US" xlink:label="lab_tlx_UnwindOfDiscountInContractLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unwind of discount</link:label>
    <link:label id="lab_tlx_UnwindOfDiscountInContractLiabilities_label_en-US" xlink:label="lab_tlx_UnwindOfDiscountInContractLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unwind of discount in contract liabilities</link:label>
    <link:label id="lab_tlx_UnwindOfDiscountInContractLiabilities_documentation_en-US" xlink:label="lab_tlx_UnwindOfDiscountInContractLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of unwind of discount in contract liabilities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_UnwindOfDiscountInContractLiabilities" xlink:href="tlx-20251231.xsd#tlx_UnwindOfDiscountInContractLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_UnwindOfDiscountInContractLiabilities" xlink:to="lab_tlx_UnwindOfDiscountInContractLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AuditorsRemunerationForAuditServices_019b0124-073c-7671-9d62-dfa1fe3cfff2_terseLabel_en-US" xlink:label="lab_ifrs-full_AuditorsRemunerationForAuditServices" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Audit or review of financial statements</link:label>
    <link:label id="lab_ifrs-full_AuditorsRemunerationForAuditServices_label_en-US" xlink:label="lab_ifrs-full_AuditorsRemunerationForAuditServices" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Auditor's remuneration for audit services</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AuditorsRemunerationForAuditServices" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AuditorsRemunerationForAuditServices"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AuditorsRemunerationForAuditServices" xlink:to="lab_ifrs-full_AuditorsRemunerationForAuditServices" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PercentageOfReasonablyPossibleDecreaseInUnobservableInputLiabilities_019be105-d2d7-788f-a9e4-837f593d8fd3_terseLabel_en-US" xlink:label="lab_ifrs-full_PercentageOfReasonablyPossibleDecreaseInUnobservableInputLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of reasonably possible decrease in unobservable input, liabilities</link:label>
    <link:label id="lab_ifrs-full_PercentageOfReasonablyPossibleDecreaseInUnobservableInputLiabilities_label_en-US" xlink:label="lab_ifrs-full_PercentageOfReasonablyPossibleDecreaseInUnobservableInputLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage of reasonably possible decrease in unobservable input, liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PercentageOfReasonablyPossibleDecreaseInUnobservableInputLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PercentageOfReasonablyPossibleDecreaseInUnobservableInputLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PercentageOfReasonablyPossibleDecreaseInUnobservableInputLiabilities" xlink:to="lab_ifrs-full_PercentageOfReasonablyPossibleDecreaseInUnobservableInputLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityAddressAddressLine1_019b0124-061c-7696-b793-dd3057987b02_terseLabel_en-US" xlink:label="lab_dei_EntityAddressAddressLine1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Address, Address Line One</link:label>
    <link:label id="lab_dei_EntityAddressAddressLine1_label_en-US" xlink:label="lab_dei_EntityAddressAddressLine1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Address, Address Line One</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressAddressLine1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressAddressLine1" xlink:to="lab_dei_EntityAddressAddressLine1" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_TaxLossesAndTaxCreditsMember_019b0124-061c-79f8-bf09-da5ea9e32cd7_terseLabel_en-US" xlink:label="lab_tlx_TaxLossesAndTaxCreditsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tax losses and tax credits</link:label>
    <link:label id="lab_tlx_TaxLossesAndTaxCreditsMember_label_en-US" xlink:label="lab_tlx_TaxLossesAndTaxCreditsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax Losses And Tax Credits [Member]</link:label>
    <link:label id="lab_tlx_TaxLossesAndTaxCreditsMember_documentation_en-US" xlink:label="lab_tlx_TaxLossesAndTaxCreditsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for tax losses and tax credits.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_TaxLossesAndTaxCreditsMember" xlink:href="tlx-20251231.xsd#tlx_TaxLossesAndTaxCreditsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_TaxLossesAndTaxCreditsMember" xlink:to="lab_tlx_TaxLossesAndTaxCreditsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfLeasesExplanatory_019be9b3-0af0-799e-8d9f-4f83781ef836_verboseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfLeasesExplanatory" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Right-of-use assets</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfLeasesExplanatory_019b0124-061c-7d99-af56-a3695faeb5f7_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfLeasesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lease liabilities</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfLeasesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfLeasesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of leases [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfLeasesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfLeasesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfLeasesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfLeasesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_TLX400TxMember_019c6ee3-21ec-7c71-87e1-468b0f978872_terseLabel_en-US" xlink:label="lab_tlx_TLX400TxMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">TLX400-Tx</link:label>
    <link:label id="lab_tlx_TLX400TxMember_label_en-US" xlink:label="lab_tlx_TLX400TxMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">TLX400-Tx [Member]</link:label>
    <link:label id="lab_tlx_TLX400TxMember_documentation_en-US" xlink:label="lab_tlx_TLX400TxMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">TLX400-Tx</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_TLX400TxMember" xlink:href="tlx-20251231.xsd#tlx_TLX400TxMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_TLX400TxMember" xlink:to="lab_tlx_TLX400TxMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_OtherMiscellaneousGainLoss_019be8f3-c30b-7e56-a455-24087241150c_negatedLabel_en-US" xlink:label="lab_tlx_OtherMiscellaneousGainLoss" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Other income</link:label>
    <link:label id="lab_tlx_OtherMiscellaneousGainLoss_label_en-US" xlink:label="lab_tlx_OtherMiscellaneousGainLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Miscellaneous Gain/(Loss)</link:label>
    <link:label id="lab_tlx_OtherMiscellaneousGainLoss_documentation_en-US" xlink:label="lab_tlx_OtherMiscellaneousGainLoss" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Miscellaneous Gain/(Loss)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_OtherMiscellaneousGainLoss" xlink:href="tlx-20251231.xsd#tlx_OtherMiscellaneousGainLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_OtherMiscellaneousGainLoss" xlink:to="lab_tlx_OtherMiscellaneousGainLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ProductDevelopmentMember_019b0124-06b3-7893-8e9d-4a20f5e9ae89_terseLabel_en-US" xlink:label="lab_tlx_ProductDevelopmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Product Development</link:label>
    <link:label id="lab_tlx_ProductDevelopmentMember_label_en-US" xlink:label="lab_tlx_ProductDevelopmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Product Development [Member]</link:label>
    <link:label id="lab_tlx_ProductDevelopmentMember_documentation_en-US" xlink:label="lab_tlx_ProductDevelopmentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for an reporting segment of the entity which developing radiopharmaceutical products for commercialization. This segment includes revenue received from license agreements prior to commercialization and research and development services.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ProductDevelopmentMember" xlink:href="tlx-20251231.xsd#tlx_ProductDevelopmentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ProductDevelopmentMember" xlink:to="lab_tlx_ProductDevelopmentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RevenueFromSaleOfGoods_019b0124-061c-754f-b188-a1b5aae0d0d1_terseLabel_en-US" xlink:label="lab_ifrs-full_RevenueFromSaleOfGoods" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Sale of goods</link:label>
    <link:label id="lab_ifrs-full_RevenueFromSaleOfGoods_label_en-US" xlink:label="lab_ifrs-full_RevenueFromSaleOfGoods" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue from sale of goods</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RevenueFromSaleOfGoods" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RevenueFromSaleOfGoods"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RevenueFromSaleOfGoods" xlink:to="lab_ifrs-full_RevenueFromSaleOfGoods" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_DisclosureOfParentEntityFinancialInformationAbstract_label_en-US" xlink:label="lab_tlx_DisclosureOfParentEntityFinancialInformationAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Parent Entity Financial Information [Abstract]</link:label>
    <link:label id="lab_tlx_DisclosureOfParentEntityFinancialInformationAbstract_documentation_en-US" xlink:label="lab_tlx_DisclosureOfParentEntityFinancialInformationAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">DisclosureOfParentEntityFinancialInformationAbstract [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_DisclosureOfParentEntityFinancialInformationAbstract" xlink:href="tlx-20251231.xsd#tlx_DisclosureOfParentEntityFinancialInformationAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_DisclosureOfParentEntityFinancialInformationAbstract" xlink:to="lab_tlx_DisclosureOfParentEntityFinancialInformationAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_TelixPharmaceuticalsANZPtyLtdMember_019b0124-061c-7c73-9484-5ae38b33136b_terseLabel_en-US" xlink:label="lab_tlx_TelixPharmaceuticalsANZPtyLtdMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Telix Pharmaceuticals (ANZ) Pty Ltd</link:label>
    <link:label id="lab_tlx_TelixPharmaceuticalsANZPtyLtdMember_label_en-US" xlink:label="lab_tlx_TelixPharmaceuticalsANZPtyLtdMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Telix Pharmaceuticals (ANZ) Pty Ltd [Member]</link:label>
    <link:label id="lab_tlx_TelixPharmaceuticalsANZPtyLtdMember_documentation_en-US" xlink:label="lab_tlx_TelixPharmaceuticalsANZPtyLtdMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The name of the entity which is controlled by another entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_TelixPharmaceuticalsANZPtyLtdMember" xlink:href="tlx-20251231.xsd#tlx_TelixPharmaceuticalsANZPtyLtdMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_TelixPharmaceuticalsANZPtyLtdMember" xlink:to="lab_tlx_TelixPharmaceuticalsANZPtyLtdMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInEmployeeBenefitLiabilities_019b0124-061c-7e01-86de-c3c3d247ff48_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInEmployeeBenefitLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Increase in employee benefit obligations</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInEmployeeBenefitLiabilities_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInEmployeeBenefitLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for increase (decrease) in employee benefit liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForIncreaseDecreaseInEmployeeBenefitLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInEmployeeBenefitLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForIncreaseDecreaseInEmployeeBenefitLiabilities" xlink:to="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInEmployeeBenefitLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_DeferredTaxAssetsAbstract_019b0124-061c-770f-88d6-462461df6f8f_terseLabel_en-US" xlink:label="lab_tlx_DeferredTaxAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred tax assets [Abstract]</link:label>
    <link:label id="lab_tlx_DeferredTaxAssetsAbstract_label_en-US" xlink:label="lab_tlx_DeferredTaxAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred tax assets [Abstract]</link:label>
    <link:label id="lab_tlx_DeferredTaxAssetsAbstract_documentation_en-US" xlink:label="lab_tlx_DeferredTaxAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred tax assets [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_DeferredTaxAssetsAbstract" xlink:href="tlx-20251231.xsd#tlx_DeferredTaxAssetsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_DeferredTaxAssetsAbstract" xlink:to="lab_tlx_DeferredTaxAssetsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ExplanationOfEffectOfSharebasedPaymentsOnProfitOrLoss_019b0124-055d-73f9-922f-b34eb9e02566_terseLabel_en-US" xlink:label="lab_ifrs-full_ExplanationOfEffectOfSharebasedPaymentsOnProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Share Based Compensation Expense</link:label>
    <link:label id="lab_ifrs-full_ExplanationOfEffectOfSharebasedPaymentsOnProfitOrLoss_label_en-US" xlink:label="lab_ifrs-full_ExplanationOfEffectOfSharebasedPaymentsOnProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Explanation of effect of share-based payments on entity's profit or loss [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ExplanationOfEffectOfSharebasedPaymentsOnProfitOrLoss" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ExplanationOfEffectOfSharebasedPaymentsOnProfitOrLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ExplanationOfEffectOfSharebasedPaymentsOnProfitOrLoss" xlink:to="lab_ifrs-full_ExplanationOfEffectOfSharebasedPaymentsOnProfitOrLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfProvisionsExplanatory_019b0124-06b3-711d-8a75-f93f29108913_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfProvisionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provisions</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfProvisionsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfProvisionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of provisions [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfProvisionsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfProvisionsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfProvisionsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfProvisionsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_StatementOfCashFlowsAbstract_019b0124-06b3-77d9-8838-cbd8e77e6e6c_terseLabel_en-US" xlink:label="lab_ifrs-full_StatementOfCashFlowsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement of cash flows [abstract]</link:label>
    <link:label id="lab_ifrs-full_StatementOfCashFlowsAbstract_label_en-US" xlink:label="lab_ifrs-full_StatementOfCashFlowsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of cash flows [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_StatementOfCashFlowsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_StatementOfCashFlowsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_StatementOfCashFlowsAbstract" xlink:to="lab_ifrs-full_StatementOfCashFlowsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_GrantDateOctober182023Member_019bea53-38aa-7727-b7bc-a4eea20b8460_terseLabel_en-US" xlink:label="lab_tlx_GrantDateOctober182023Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Grant date October 18, 2023</link:label>
    <link:label id="lab_tlx_GrantDateOctober182023Member_label_en-US" xlink:label="lab_tlx_GrantDateOctober182023Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Grant Date October 18, 2023 [Member]</link:label>
    <link:label id="lab_tlx_GrantDateOctober182023Member_documentation_en-US" xlink:label="lab_tlx_GrantDateOctober182023Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Grant Date October 18, 2023</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_GrantDateOctober182023Member" xlink:href="tlx-20251231.xsd#tlx_GrantDateOctober182023Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_GrantDateOctober182023Member" xlink:to="lab_tlx_GrantDateOctober182023Member" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_NumberOfSharesAbstract_019bc515-3c87-7a98-bc72-5c326ec9574c_terseLabel_en-US" xlink:label="lab_tlx_NumberOfSharesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of Shares [Abstract]</link:label>
    <link:label id="lab_tlx_NumberOfSharesAbstract_label_en-US" xlink:label="lab_tlx_NumberOfSharesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of Shares [Abstract]</link:label>
    <link:label id="lab_tlx_NumberOfSharesAbstract_documentation_en-US" xlink:label="lab_tlx_NumberOfSharesAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of Shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_NumberOfSharesAbstract" xlink:href="tlx-20251231.xsd#tlx_NumberOfSharesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_NumberOfSharesAbstract" xlink:to="lab_tlx_NumberOfSharesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DefaultFinancialStatementsDateMember_019b0124-073c-78e1-9129-7ef18d8dd197_terseLabel_en-US" xlink:label="lab_ifrs-full_DefaultFinancialStatementsDateMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Default financial statements date</link:label>
    <link:label id="lab_ifrs-full_DefaultFinancialStatementsDateMember_label_en-US" xlink:label="lab_ifrs-full_DefaultFinancialStatementsDateMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Default financial statements date [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DefaultFinancialStatementsDateMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DefaultFinancialStatementsDateMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DefaultFinancialStatementsDateMember" xlink:to="lab_ifrs-full_DefaultFinancialStatementsDateMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_DiscountedExpectedFutureCashFlowsPeriod_019b0124-06b3-75dc-a266-09e8fca8a115_terseLabel_en-US" xlink:label="lab_tlx_DiscountedExpectedFutureCashFlowsPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Discounted expected future cash flows period</link:label>
    <link:label id="lab_tlx_DiscountedExpectedFutureCashFlowsPeriod_label_en-US" xlink:label="lab_tlx_DiscountedExpectedFutureCashFlowsPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Discounted Expected Future Cash Flows Period</link:label>
    <link:label id="lab_tlx_DiscountedExpectedFutureCashFlowsPeriod_documentation_en-US" xlink:label="lab_tlx_DiscountedExpectedFutureCashFlowsPeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The period used for discounting the expected future cash flows for each program, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_DiscountedExpectedFutureCashFlowsPeriod" xlink:href="tlx-20251231.xsd#tlx_DiscountedExpectedFutureCashFlowsPeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_DiscountedExpectedFutureCashFlowsPeriod" xlink:to="lab_tlx_DiscountedExpectedFutureCashFlowsPeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_OneYearDelayInCommercializationMember_019c21d2-5198-7735-8a0e-f156ec30d5eb_terseLabel_en-US" xlink:label="lab_tlx_OneYearDelayInCommercializationMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">A one year delay in commercialization</link:label>
    <link:label id="lab_tlx_OneYearDelayInCommercializationMember_label_en-US" xlink:label="lab_tlx_OneYearDelayInCommercializationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">One Year Delay In Commercialization [Member]</link:label>
    <link:label id="lab_tlx_OneYearDelayInCommercializationMember_documentation_en-US" xlink:label="lab_tlx_OneYearDelayInCommercializationMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">One Year Delay In Commercialization</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_OneYearDelayInCommercializationMember" xlink:href="tlx-20251231.xsd#tlx_OneYearDelayInCommercializationMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_OneYearDelayInCommercializationMember" xlink:to="lab_tlx_OneYearDelayInCommercializationMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_DefiniteUsefulLifeMember_019c54ef-e0bc-7177-853a-641f8ebff8b7_terseLabel_en-US" xlink:label="lab_tlx_DefiniteUsefulLifeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Definite</link:label>
    <link:label id="lab_tlx_DefiniteUsefulLifeMember_label_en-US" xlink:label="lab_tlx_DefiniteUsefulLifeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Definite Useful Life [Member]</link:label>
    <link:label id="lab_tlx_DefiniteUsefulLifeMember_documentation_en-US" xlink:label="lab_tlx_DefiniteUsefulLifeMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Definite Useful Life</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_DefiniteUsefulLifeMember" xlink:href="tlx-20251231.xsd#tlx_DefiniteUsefulLifeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_DefiniteUsefulLifeMember" xlink:to="lab_tlx_DefiniteUsefulLifeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_RadiopharmacyOperationsMember_019b45db-3ac0-76ac-b600-09397339bdbc_terseLabel_en-US" xlink:label="lab_tlx_RadiopharmacyOperationsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Radiopharmacy operations</link:label>
    <link:label id="lab_tlx_RadiopharmacyOperationsMember_label_en-US" xlink:label="lab_tlx_RadiopharmacyOperationsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Radiopharmacy Operations [Member]</link:label>
    <link:label id="lab_tlx_RadiopharmacyOperationsMember_documentation_en-US" xlink:label="lab_tlx_RadiopharmacyOperationsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Radiopharmacy Operations</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_RadiopharmacyOperationsMember" xlink:href="tlx-20251231.xsd#tlx_RadiopharmacyOperationsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_RadiopharmacyOperationsMember" xlink:to="lab_tlx_RadiopharmacyOperationsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_country_DE_019be0fd-cad6-7ef3-a084-f18fc780398b_terseLabel_en-US" xlink:label="lab_country_DE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Germany</link:label>
    <link:label id="lab_country_DE_label_en-US" xlink:label="lab_country_DE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">GERMANY</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_country_DE" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_DE"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_DE" xlink:to="lab_country_DE" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_WeightedAverageExercisePriceAbstract_019b0124-06b3-7507-ba1b-11f77a02595c_terseLabel_en-US" xlink:label="lab_tlx_WeightedAverageExercisePriceAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">WAEP</link:label>
    <link:label id="lab_tlx_WeightedAverageExercisePriceAbstract_label_en-US" xlink:label="lab_tlx_WeightedAverageExercisePriceAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted Average Exercise Price [Abstract]</link:label>
    <link:label id="lab_tlx_WeightedAverageExercisePriceAbstract_documentation_en-US" xlink:label="lab_tlx_WeightedAverageExercisePriceAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Weighted average exercise price [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_WeightedAverageExercisePriceAbstract" xlink:href="tlx-20251231.xsd#tlx_WeightedAverageExercisePriceAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_WeightedAverageExercisePriceAbstract" xlink:to="lab_tlx_WeightedAverageExercisePriceAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TaxEffectOfForeignTaxRates_019b0124-073c-78a4-b755-885ce5ad2e63_terseLabel_en-US" xlink:label="lab_ifrs-full_TaxEffectOfForeignTaxRates" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Difference in overseas tax rates</link:label>
    <link:label id="lab_ifrs-full_TaxEffectOfForeignTaxRates_label_en-US" xlink:label="lab_ifrs-full_TaxEffectOfForeignTaxRates" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax effect of foreign tax rates</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TaxEffectOfForeignTaxRates" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TaxEffectOfForeignTaxRates"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TaxEffectOfForeignTaxRates" xlink:to="lab_ifrs-full_TaxEffectOfForeignTaxRates" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentRestrictedCashAndCashEquivalents_019b0124-06b4-78f7-970c-fb5e8546fe83_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentRestrictedCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Restricted cash</link:label>
    <link:label id="lab_ifrs-full_NoncurrentRestrictedCashAndCashEquivalents_label_en-US" xlink:label="lab_ifrs-full_NoncurrentRestrictedCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-current restricted cash and cash equivalents</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentRestrictedCashAndCashEquivalents" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentRestrictedCashAndCashEquivalents"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentRestrictedCashAndCashEquivalents" xlink:to="lab_ifrs-full_NoncurrentRestrictedCashAndCashEquivalents" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_IsoTherapeuticsGroupLLCMember_019b0124-073c-7efa-a7d8-f3f273bc16d8_terseLabel_en-US" xlink:label="lab_tlx_IsoTherapeuticsGroupLLCMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">IsoTherapeutics</link:label>
    <link:label id="lab_tlx_IsoTherapeuticsGroupLLCMember_label_en-US" xlink:label="lab_tlx_IsoTherapeuticsGroupLLCMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ISO Therapeutics Group, LLC [Member]</link:label>
    <link:label id="lab_tlx_IsoTherapeuticsGroupLLCMember_documentation_en-US" xlink:label="lab_tlx_IsoTherapeuticsGroupLLCMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for a business combination.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_IsoTherapeuticsGroupLLCMember" xlink:href="tlx-20251231.xsd#tlx_IsoTherapeuticsGroupLLCMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_IsoTherapeuticsGroupLLCMember" xlink:to="lab_tlx_IsoTherapeuticsGroupLLCMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfProductsAndServicesLineItems_019b0124-06b3-7c40-a607-13dd86335a33_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfProductsAndServicesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of products and services [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfProductsAndServicesLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfProductsAndServicesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of products and services [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfProductsAndServicesLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfProductsAndServicesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfProductsAndServicesLineItems" xlink:to="lab_ifrs-full_DisclosureOfProductsAndServicesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ScheduleOfUsefulEconomicLivesOfAcquisitionRelatedIntangibleAssetsTableTextBlock_019b9d7d-ce42-7cd5-9bb8-c20d95ca2248_terseLabel_en-US" xlink:label="lab_tlx_ScheduleOfUsefulEconomicLivesOfAcquisitionRelatedIntangibleAssetsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Useful Economic Lives of Acquisition Related Intangible Assets</link:label>
    <link:label id="lab_tlx_ScheduleOfUsefulEconomicLivesOfAcquisitionRelatedIntangibleAssetsTableTextBlock_label_en-US" xlink:label="lab_tlx_ScheduleOfUsefulEconomicLivesOfAcquisitionRelatedIntangibleAssetsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Useful Economic Lives Of Acquisition Related Intangible Assets [Table Text Block]</link:label>
    <link:label id="lab_tlx_ScheduleOfUsefulEconomicLivesOfAcquisitionRelatedIntangibleAssetsTableTextBlock_documentation_en-US" xlink:label="lab_tlx_ScheduleOfUsefulEconomicLivesOfAcquisitionRelatedIntangibleAssetsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Useful Economic Lives Of Acquisition Related Intangible Assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ScheduleOfUsefulEconomicLivesOfAcquisitionRelatedIntangibleAssetsTableTextBlock" xlink:href="tlx-20251231.xsd#tlx_ScheduleOfUsefulEconomicLivesOfAcquisitionRelatedIntangibleAssetsTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ScheduleOfUsefulEconomicLivesOfAcquisitionRelatedIntangibleAssetsTableTextBlock" xlink:to="lab_tlx_ScheduleOfUsefulEconomicLivesOfAcquisitionRelatedIntangibleAssetsTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_GainsLossesFromRemeasurementOfContingentConsideration_019bbf6a-a40c-78ad-8a64-95f72a224d75_negatedTerseLabel_en-US" xlink:label="lab_tlx_GainsLossesFromRemeasurementOfContingentConsideration" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Remeasurement of contingent consideration</link:label>
    <link:label id="lab_tlx_GainsLossesFromRemeasurementOfContingentConsideration_019b0124-061c-7545-b3c5-93bc6471a778_terseLabel_en-US" xlink:label="lab_tlx_GainsLossesFromRemeasurementOfContingentConsideration" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Remeasurement of contingent consideration</link:label>
    <link:label id="lab_tlx_GainsLossesFromRemeasurementOfContingentConsideration_label_en-US" xlink:label="lab_tlx_GainsLossesFromRemeasurementOfContingentConsideration" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gains (Losses) From Remeasurement Of Contingent Consideration</link:label>
    <link:label id="lab_tlx_GainsLossesFromRemeasurementOfContingentConsideration_documentation_en-US" xlink:label="lab_tlx_GainsLossesFromRemeasurementOfContingentConsideration" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The remeasurement amount of contingent consideration during the year.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_GainsLossesFromRemeasurementOfContingentConsideration" xlink:href="tlx-20251231.xsd#tlx_GainsLossesFromRemeasurementOfContingentConsideration"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_GainsLossesFromRemeasurementOfContingentConsideration" xlink:to="lab_tlx_GainsLossesFromRemeasurementOfContingentConsideration" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_TravelConferencesAndEntertainmentCosts_019b0124-061c-71c8-9dc3-404e473e8ff0_terseLabel_en-US" xlink:label="lab_tlx_TravelConferencesAndEntertainmentCosts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Travel, conferences and entertainment</link:label>
    <link:label id="lab_tlx_TravelConferencesAndEntertainmentCosts_label_en-US" xlink:label="lab_tlx_TravelConferencesAndEntertainmentCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Travel Conferences And Entertainment Costs</link:label>
    <link:label id="lab_tlx_TravelConferencesAndEntertainmentCosts_documentation_en-US" xlink:label="lab_tlx_TravelConferencesAndEntertainmentCosts" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of expense recognised on travel, conferences and entertainment activities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_TravelConferencesAndEntertainmentCosts" xlink:href="tlx-20251231.xsd#tlx_TravelConferencesAndEntertainmentCosts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_TravelConferencesAndEntertainmentCosts" xlink:to="lab_tlx_TravelConferencesAndEntertainmentCosts" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_GovernmentGrantLiabilityMember_019b0124-061c-7283-9274-b5d9a2601da2_verboseLabel_en-US" xlink:label="lab_tlx_GovernmentGrantLiabilityMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Government grant liability</link:label>
    <link:label id="lab_tlx_GovernmentGrantLiabilityMember_019b0124-061c-7866-aaee-e026135cbd11_terseLabel_en-US" xlink:label="lab_tlx_GovernmentGrantLiabilityMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Government grant liability</link:label>
    <link:label id="lab_tlx_GovernmentGrantLiabilityMember_label_en-US" xlink:label="lab_tlx_GovernmentGrantLiabilityMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Government Grant Liability [Member]</link:label>
    <link:label id="lab_tlx_GovernmentGrantLiabilityMember_documentation_en-US" xlink:label="lab_tlx_GovernmentGrantLiabilityMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for government grant liability aggregated categories of financial liabilities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_GovernmentGrantLiabilityMember" xlink:href="tlx-20251231.xsd#tlx_GovernmentGrantLiabilityMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_GovernmentGrantLiabilityMember" xlink:to="lab_tlx_GovernmentGrantLiabilityMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ChangesInEquity_019b0124-06b4-7b6a-b146-1916b428b316_totalLabel_en-US" xlink:label="lab_ifrs-full_ChangesInEquity" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total increase (decrease) in equity</link:label>
    <link:label id="lab_ifrs-full_ChangesInEquity_label_en-US" xlink:label="lab_ifrs-full_ChangesInEquity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) in equity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ChangesInEquity" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ChangesInEquity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ChangesInEquity" xlink:to="lab_ifrs-full_ChangesInEquity" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentLiabilitiesAbstract_019b0124-06b3-74ad-9056-c1c7b87bf3c5_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current liabilities</link:label>
    <link:label id="lab_ifrs-full_CurrentLiabilitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_CurrentLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current liabilities [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentLiabilitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentLiabilitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentLiabilitiesAbstract" xlink:to="lab_ifrs-full_CurrentLiabilitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_country_BR_019be0fd-cad6-7624-8206-bdb77095b221_terseLabel_en-US" xlink:label="lab_country_BR" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Brazil</link:label>
    <link:label id="lab_country_BR_label_en-US" xlink:label="lab_country_BR" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">BRAZIL</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_country_BR" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_BR"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_BR" xlink:to="lab_country_BR" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_RemeasurementOfContingentConsiderationAdjustment_019c67c5-6382-769f-a64f-b1eb9ee08635_terseLabel_en-US" xlink:label="lab_tlx_RemeasurementOfContingentConsiderationAdjustment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Remeasurement of contingent consideration</link:label>
    <link:label id="lab_tlx_RemeasurementOfContingentConsiderationAdjustment_label_en-US" xlink:label="lab_tlx_RemeasurementOfContingentConsiderationAdjustment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Remeasurement Of Contingent Consideration Adjustment</link:label>
    <link:label id="lab_tlx_RemeasurementOfContingentConsiderationAdjustment_documentation_en-US" xlink:label="lab_tlx_RemeasurementOfContingentConsiderationAdjustment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Remeasurement Of Contingent Consideration Adjustment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_RemeasurementOfContingentConsiderationAdjustment" xlink:href="tlx-20251231.xsd#tlx_RemeasurementOfContingentConsiderationAdjustment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_RemeasurementOfContingentConsiderationAdjustment" xlink:to="lab_tlx_RemeasurementOfContingentConsiderationAdjustment" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CustomerrelatedIntangibleAssetsMember_019b0124-061c-787c-a459-6a4e644b822c_terseLabel_en-US" xlink:label="lab_ifrs-full_CustomerrelatedIntangibleAssetsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Customer relationships</link:label>
    <link:label id="lab_ifrs-full_CustomerrelatedIntangibleAssetsMember_label_en-US" xlink:label="lab_ifrs-full_CustomerrelatedIntangibleAssetsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Customer-related intangible assets [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CustomerrelatedIntangibleAssetsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CustomerrelatedIntangibleAssetsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CustomerrelatedIntangibleAssetsMember" xlink:to="lab_ifrs-full_CustomerrelatedIntangibleAssetsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ImpairmentLossImpairmentReversalsRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill_019b0124-06b4-7687-807c-966b6867d4c4_terseLabel_en-US" xlink:label="lab_tlx_ImpairmentLossImpairmentReversalsRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Impairments/(impairment reversals) of intangible assets</link:label>
    <link:label id="lab_tlx_ImpairmentLossImpairmentReversalsRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill_label_en-US" xlink:label="lab_tlx_ImpairmentLossImpairmentReversalsRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Impairment Loss (Impairment Reversals) Recognised In Profit Or Loss, Intangible Assets Other Than Goodwill</link:label>
    <link:label id="lab_tlx_ImpairmentLossImpairmentReversalsRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill_documentation_en-US" xlink:label="lab_tlx_ImpairmentLossImpairmentReversalsRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of impairment loss (impairment reversals) of intangible assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ImpairmentLossImpairmentReversalsRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill" xlink:href="tlx-20251231.xsd#tlx_ImpairmentLossImpairmentReversalsRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ImpairmentLossImpairmentReversalsRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill" xlink:to="lab_tlx_ImpairmentLossImpairmentReversalsRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BorrowingCostsIncurred_019b0124-06b4-7cbf-b37c-80cd68e70ea7_terseLabel_en-US" xlink:label="lab_ifrs-full_BorrowingCostsIncurred" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowing costs incurred</link:label>
    <link:label id="lab_ifrs-full_BorrowingCostsIncurred_019be974-c632-7b6d-8a97-47b223657533_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_BorrowingCostsIncurred" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Transaction costs</link:label>
    <link:label id="lab_ifrs-full_BorrowingCostsIncurred_label_en-US" xlink:label="lab_ifrs-full_BorrowingCostsIncurred" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowing costs incurred</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BorrowingCostsIncurred" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BorrowingCostsIncurred"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BorrowingCostsIncurred" xlink:to="lab_ifrs-full_BorrowingCostsIncurred" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems_019b0124-061c-7a2c-9f1f-0ccba821dbde_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of transactions between related parties [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of transactions between related parties [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:to="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_IncreaseDecreaseInRecoverableAmountOfAssetOrCashGeneratingUnit_019c21d0-4940-7ac0-9f12-61912dd09951_terseLabel_en-US" xlink:label="lab_tlx_IncreaseDecreaseInRecoverableAmountOfAssetOrCashGeneratingUnit" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Increase (decrease) in recoverable amount of CGU</link:label>
    <link:label id="lab_tlx_IncreaseDecreaseInRecoverableAmountOfAssetOrCashGeneratingUnit_label_en-US" xlink:label="lab_tlx_IncreaseDecreaseInRecoverableAmountOfAssetOrCashGeneratingUnit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Recoverable Amount Of Asset Or Cash-Generating Unit</link:label>
    <link:label id="lab_tlx_IncreaseDecreaseInRecoverableAmountOfAssetOrCashGeneratingUnit_documentation_en-US" xlink:label="lab_tlx_IncreaseDecreaseInRecoverableAmountOfAssetOrCashGeneratingUnit" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Recoverable Amount Of Asset Or Cash-Generating Unit</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_IncreaseDecreaseInRecoverableAmountOfAssetOrCashGeneratingUnit" xlink:href="tlx-20251231.xsd#tlx_IncreaseDecreaseInRecoverableAmountOfAssetOrCashGeneratingUnit"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_IncreaseDecreaseInRecoverableAmountOfAssetOrCashGeneratingUnit" xlink:to="lab_tlx_IncreaseDecreaseInRecoverableAmountOfAssetOrCashGeneratingUnit" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AmortisationExpense_019b0124-06b4-7a2e-b0ad-b4df85f3030b_terseLabel_en-US" xlink:label="lab_ifrs-full_AmortisationExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amortization of intangible assets</link:label>
    <link:label id="lab_ifrs-full_AmortisationExpense_label_en-US" xlink:label="lab_ifrs-full_AmortisationExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amortisation expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AmortisationExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AmortisationExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AmortisationExpense" xlink:to="lab_ifrs-full_AmortisationExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeAbstract_019b0124-055d-7649-ad19-3e95948785de_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other comprehensive (loss)/income:</link:label>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeAbstract_label_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other comprehensive income [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherComprehensiveIncomeAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherComprehensiveIncomeAbstract" xlink:to="lab_ifrs-full_OtherComprehensiveIncomeAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_MaunaKeaTechnologiesMember_019b0124-061c-782e-8364-cf81c492df70_terseLabel_en-US" xlink:label="lab_tlx_MaunaKeaTechnologiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investment in Mauna Kea Technologies</link:label>
    <link:label id="lab_tlx_MaunaKeaTechnologiesMember_label_en-US" xlink:label="lab_tlx_MaunaKeaTechnologiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mauna Kea Technologies [Member]</link:label>
    <link:label id="lab_tlx_MaunaKeaTechnologiesMember_documentation_en-US" xlink:label="lab_tlx_MaunaKeaTechnologiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for announced a strategic investment in Mauna Kea to develop new hybrid pharmaceutical-device products through the combination of Telix's cancer-targeting agents with Mauna Kea's surgical endomicroscopy platform.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_MaunaKeaTechnologiesMember" xlink:href="tlx-20251231.xsd#tlx_MaunaKeaTechnologiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_MaunaKeaTechnologiesMember" xlink:to="lab_tlx_MaunaKeaTechnologiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_country_CA_019b0124-06b4-742d-8c48-a89527babe27_terseLabel_en-US" xlink:label="lab_country_CA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Canada</link:label>
    <link:label id="lab_country_CA_label_en-US" xlink:label="lab_country_CA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">CANADA</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_country_CA" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_CA"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_CA" xlink:to="lab_country_CA" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_IncreaseDecreaseThroughTreasurySharesAcquired_019b0124-073c-73ac-9821-b3d0cdbf3466_terseLabel_en-US" xlink:label="lab_tlx_IncreaseDecreaseThroughTreasurySharesAcquired" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Treasury shares acquired (in shares)</link:label>
    <link:label id="lab_tlx_IncreaseDecreaseThroughTreasurySharesAcquired_label_en-US" xlink:label="lab_tlx_IncreaseDecreaseThroughTreasurySharesAcquired" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Treasury Shares Acquired</link:label>
    <link:label id="lab_tlx_IncreaseDecreaseThroughTreasurySharesAcquired_documentation_en-US" xlink:label="lab_tlx_IncreaseDecreaseThroughTreasurySharesAcquired" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase (decrease) in equity resulting from treasury share transactions.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_IncreaseDecreaseThroughTreasurySharesAcquired" xlink:href="tlx-20251231.xsd#tlx_IncreaseDecreaseThroughTreasurySharesAcquired"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_IncreaseDecreaseThroughTreasurySharesAcquired" xlink:to="lab_tlx_IncreaseDecreaseThroughTreasurySharesAcquired" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_BorrowingsLenderAbstract_019b0124-073c-7c77-9921-ecc44938a948_terseLabel_en-US" xlink:label="lab_tlx_BorrowingsLenderAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowings lender [Abstract]</link:label>
    <link:label id="lab_tlx_BorrowingsLenderAbstract_label_en-US" xlink:label="lab_tlx_BorrowingsLenderAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings lender [Abstract]</link:label>
    <link:label id="lab_tlx_BorrowingsLenderAbstract_documentation_en-US" xlink:label="lab_tlx_BorrowingsLenderAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Borrowings lender [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_BorrowingsLenderAbstract" xlink:href="tlx-20251231.xsd#tlx_BorrowingsLenderAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_BorrowingsLenderAbstract" xlink:to="lab_tlx_BorrowingsLenderAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_country_CH_019be0fd-cad6-7cf9-831f-ecce6830c710_terseLabel_en-US" xlink:label="lab_country_CH" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Switzerland</link:label>
    <link:label id="lab_country_CH_label_en-US" xlink:label="lab_country_CH" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">SWITZERLAND</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_country_CH" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_CH"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_CH" xlink:to="lab_country_CH" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TemporaryDifferenceMember_019b0124-06b3-7339-aadb-9446859a5d16_terseLabel_en-US" xlink:label="lab_ifrs-full_TemporaryDifferenceMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Temporary differences</link:label>
    <link:label id="lab_ifrs-full_TemporaryDifferenceMember_label_en-US" xlink:label="lab_ifrs-full_TemporaryDifferenceMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Temporary differences [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TemporaryDifferenceMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TemporaryDifferenceMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TemporaryDifferenceMember" xlink:to="lab_ifrs-full_TemporaryDifferenceMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NonderivativeFinancialLiabilitiesUndiscountedCashFlows_019be119-6acd-7da1-8eea-193c5be964d4_totalLabel_en-US" xlink:label="lab_ifrs-full_NonderivativeFinancialLiabilitiesUndiscountedCashFlows" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total financial liabilities</link:label>
    <link:label id="lab_ifrs-full_NonderivativeFinancialLiabilitiesUndiscountedCashFlows_label_en-US" xlink:label="lab_ifrs-full_NonderivativeFinancialLiabilitiesUndiscountedCashFlows" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-derivative financial liabilities, undiscounted cash flows</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NonderivativeFinancialLiabilitiesUndiscountedCashFlows" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NonderivativeFinancialLiabilitiesUndiscountedCashFlows"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NonderivativeFinancialLiabilitiesUndiscountedCashFlows" xlink:to="lab_ifrs-full_NonderivativeFinancialLiabilitiesUndiscountedCashFlows" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfShareCapitalDomain_019b0124-061c-799a-ab8d-bcf576491b93_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfShareCapitalDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of share capital [domain]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfShareCapitalDomain_label_en-US" xlink:label="lab_ifrs-full_ClassesOfShareCapitalDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of share capital [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfShareCapitalDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfShareCapitalDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfShareCapitalDomain" xlink:to="lab_ifrs-full_ClassesOfShareCapitalDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementExplanatory_019b0124-061c-7361-8b05-1839bb412480_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Number of Options Issued under Equity Incentive Plan Outstanding</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of terms and conditions of share-based payment arrangement [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementExplanatory" xlink:to="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_TheraPharmMember_019b0124-073c-7b79-88ef-744acc1e6feb_terseLabel_en-US" xlink:label="lab_tlx_TheraPharmMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">TheraPharm</link:label>
    <link:label id="lab_tlx_TheraPharmMember_label_en-US" xlink:label="lab_tlx_TheraPharmMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">TheraPharm [Member]</link:label>
    <link:label id="lab_tlx_TheraPharmMember_documentation_en-US" xlink:label="lab_tlx_TheraPharmMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for transactions or other events in which an acquirer obtain control of business.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_TheraPharmMember" xlink:href="tlx-20251231.xsd#tlx_TheraPharmMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_TheraPharmMember" xlink:to="lab_tlx_TheraPharmMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_IncreaseDecreaseInForeignExchangeDifferencesInConvertibleBonds_019c12cc-fa2d-72dc-87f8-32f3cc17a9e7_terseLabel_en-US" xlink:label="lab_tlx_IncreaseDecreaseInForeignExchangeDifferencesInConvertibleBonds" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exchange differences</link:label>
    <link:label id="lab_tlx_IncreaseDecreaseInForeignExchangeDifferencesInConvertibleBonds_label_en-US" xlink:label="lab_tlx_IncreaseDecreaseInForeignExchangeDifferencesInConvertibleBonds" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) In Foreign Exchange Differences In Convertible Bonds</link:label>
    <link:label id="lab_tlx_IncreaseDecreaseInForeignExchangeDifferencesInConvertibleBonds_documentation_en-US" xlink:label="lab_tlx_IncreaseDecreaseInForeignExchangeDifferencesInConvertibleBonds" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase (Decrease) In Foreign Exchange Differences In Convertible Bonds</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_IncreaseDecreaseInForeignExchangeDifferencesInConvertibleBonds" xlink:href="tlx-20251231.xsd#tlx_IncreaseDecreaseInForeignExchangeDifferencesInConvertibleBonds"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_IncreaseDecreaseInForeignExchangeDifferencesInConvertibleBonds" xlink:to="lab_tlx_IncreaseDecreaseInForeignExchangeDifferencesInConvertibleBonds" xlink:type="arc" order="1"/>
    <link:label id="lab_country_CN_019b0124-06b3-7636-95f1-5c3a8b8079d8_terseLabel_en-US" xlink:label="lab_country_CN" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">China</link:label>
    <link:label id="lab_country_CN_label_en-US" xlink:label="lab_country_CN" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">CHINA</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_country_CN" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_CN"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_CN" xlink:to="lab_country_CN" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_IncreaseDecreaseThroughTransferOnSatisfactionOfAcquisitionPerformanceRightsEquity_019c4a4a-3734-77f2-a1da-2bede97e0000_terseLabel_en-US" xlink:label="lab_tlx_IncreaseDecreaseThroughTransferOnSatisfactionOfAcquisitionPerformanceRightsEquity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfer on satisfaction of acquisition performance rights</link:label>
    <link:label id="lab_tlx_IncreaseDecreaseThroughTransferOnSatisfactionOfAcquisitionPerformanceRightsEquity_label_en-US" xlink:label="lab_tlx_IncreaseDecreaseThroughTransferOnSatisfactionOfAcquisitionPerformanceRightsEquity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Transfer On Satisfaction Of Acquisition Performance Rights, Equity</link:label>
    <link:label id="lab_tlx_IncreaseDecreaseThroughTransferOnSatisfactionOfAcquisitionPerformanceRightsEquity_documentation_en-US" xlink:label="lab_tlx_IncreaseDecreaseThroughTransferOnSatisfactionOfAcquisitionPerformanceRightsEquity" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Transfer On Satisfaction Of Acquisition Performance Rights, Equity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_IncreaseDecreaseThroughTransferOnSatisfactionOfAcquisitionPerformanceRightsEquity" xlink:href="tlx-20251231.xsd#tlx_IncreaseDecreaseThroughTransferOnSatisfactionOfAcquisitionPerformanceRightsEquity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_IncreaseDecreaseThroughTransferOnSatisfactionOfAcquisitionPerformanceRightsEquity" xlink:to="lab_tlx_IncreaseDecreaseThroughTransferOnSatisfactionOfAcquisitionPerformanceRightsEquity" xlink:type="arc" order="1"/>
    <link:label id="lab_country_AU_019b0124-06b3-75f3-9aa5-97873c44c28b_terseLabel_en-US" xlink:label="lab_country_AU" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Australia</link:label>
    <link:label id="lab_country_AU_label_en-US" xlink:label="lab_country_AU" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">AUSTRALIA</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_country_AU" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_AU"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_AU" xlink:to="lab_country_AU" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinanceIncome_019b0124-06b4-794b-81c7-b996a133d30c_terseLabel_en-US" xlink:label="lab_ifrs-full_FinanceIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Finance income</link:label>
    <link:label id="lab_ifrs-full_FinanceIncome_label_en-US" xlink:label="lab_ifrs-full_FinanceIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finance income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinanceIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinanceIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinanceIncome" xlink:to="lab_ifrs-full_FinanceIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentShellCompanyReport_019b0124-073c-7e07-b307-5e304fc88d7b_terseLabel_en-US" xlink:label="lab_dei_DocumentShellCompanyReport" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Shell Company Report</link:label>
    <link:label id="lab_dei_DocumentShellCompanyReport_label_en-US" xlink:label="lab_dei_DocumentShellCompanyReport" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Shell Company Report</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentShellCompanyReport" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentShellCompanyReport"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentShellCompanyReport" xlink:to="lab_dei_DocumentShellCompanyReport" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesAbstract_019b0124-06b4-7a5f-892c-f47a6c1b38f8_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of maturity analysis for non-derivative financial liabilities [abstract]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of maturity analysis for non-derivative financial liabilities [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesAbstract" xlink:to="lab_ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_DedicaidGmbHMember_019b0124-06b4-7144-b8df-50ac9ab3a8a8_terseLabel_en-US" xlink:label="lab_tlx_DedicaidGmbHMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Dedicaid</link:label>
    <link:label id="lab_tlx_DedicaidGmbHMember_label_en-US" xlink:label="lab_tlx_DedicaidGmbHMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Dedicaid GmbH [Member]</link:label>
    <link:label id="lab_tlx_DedicaidGmbHMember_documentation_en-US" xlink:label="lab_tlx_DedicaidGmbHMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The name of the entity which is controlled by another entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_DedicaidGmbHMember" xlink:href="tlx-20251231.xsd#tlx_DedicaidGmbHMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_DedicaidGmbHMember" xlink:to="lab_tlx_DedicaidGmbHMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_CustomerRebatesPayable_019b3b01-e762-73bf-b03a-4400354aea19_terseLabel_en-US" xlink:label="lab_tlx_CustomerRebatesPayable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Customer rebates payable</link:label>
    <link:label id="lab_tlx_CustomerRebatesPayable_label_en-US" xlink:label="lab_tlx_CustomerRebatesPayable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Customer Rebates Payable</link:label>
    <link:label id="lab_tlx_CustomerRebatesPayable_documentation_en-US" xlink:label="lab_tlx_CustomerRebatesPayable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Customer Rebates Payable</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_CustomerRebatesPayable" xlink:href="tlx-20251231.xsd#tlx_CustomerRebatesPayable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_CustomerRebatesPayable" xlink:to="lab_tlx_CustomerRebatesPayable" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_RealizedCurrencyGainsLosses_019b0124-06b4-739c-bdce-5aee9480c1e5_negatedLabel_en-US" xlink:label="lab_tlx_RealizedCurrencyGainsLosses" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Realized currency gain</link:label>
    <link:label id="lab_tlx_RealizedCurrencyGainsLosses_label_en-US" xlink:label="lab_tlx_RealizedCurrencyGainsLosses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Realized Currency Gains (Losses)</link:label>
    <link:label id="lab_tlx_RealizedCurrencyGainsLosses_documentation_en-US" xlink:label="lab_tlx_RealizedCurrencyGainsLosses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of realized currency exchange (losses) gains.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_RealizedCurrencyGainsLosses" xlink:href="tlx-20251231.xsd#tlx_RealizedCurrencyGainsLosses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_RealizedCurrencyGainsLosses" xlink:to="lab_tlx_RealizedCurrencyGainsLosses" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfOtherProvisionsLineItems_019b0124-061c-7692-a06b-43e1e7e33715_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherProvisionsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of other provisions [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfOtherProvisionsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherProvisionsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of other provisions [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOtherProvisionsLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfOtherProvisionsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOtherProvisionsLineItems" xlink:to="lab_ifrs-full_DisclosureOfOtherProvisionsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdditionsToRightofuseAssets_019b0124-06b4-7186-a105-6359238fd373_terseLabel_en-US" xlink:label="lab_ifrs-full_AdditionsToRightofuseAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Additions</link:label>
    <link:label id="lab_ifrs-full_AdditionsToRightofuseAssets_label_en-US" xlink:label="lab_ifrs-full_AdditionsToRightofuseAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Additions to right-of-use assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdditionsToRightofuseAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdditionsToRightofuseAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdditionsToRightofuseAssets" xlink:to="lab_ifrs-full_AdditionsToRightofuseAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_GrantDateOctober242022Member_019bea51-c1ef-7168-a2c8-4cc4e1059ddb_terseLabel_en-US" xlink:label="lab_tlx_GrantDateOctober242022Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Grant date October 24, 2022</link:label>
    <link:label id="lab_tlx_GrantDateOctober242022Member_label_en-US" xlink:label="lab_tlx_GrantDateOctober242022Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Grant Date October 24, 2022 [Member]</link:label>
    <link:label id="lab_tlx_GrantDateOctober242022Member_documentation_en-US" xlink:label="lab_tlx_GrantDateOctober242022Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Grant Date October 24, 2022</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_GrantDateOctober242022Member" xlink:href="tlx-20251231.xsd#tlx_GrantDateOctober242022Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_GrantDateOctober242022Member" xlink:to="lab_tlx_GrantDateOctober242022Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities_019b0124-06b4-7f33-bffa-a3c4d339d547_negatedLabel_en-US" xlink:label="lab_ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Payments for acquisition of subsidiaries, net of cash acquired</link:label>
    <link:label id="lab_ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities_label_en-US" xlink:label="lab_ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:to="lab_ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_country_BE_019b0124-061c-7d73-a0a9-3c36b07b5115_terseLabel_en-US" xlink:label="lab_country_BE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Belgium</link:label>
    <link:label id="lab_country_BE_label_en-US" xlink:label="lab_country_BE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">BELGIUM</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_country_BE" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_BE"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_BE" xlink:to="lab_country_BE" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ConversionPrice_019b0124-061c-7671-a980-84ae28747df9_terseLabel_en-US" xlink:label="lab_tlx_ConversionPrice" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Conversion price (in AUD per share)</link:label>
    <link:label id="lab_tlx_ConversionPrice_label_en-US" xlink:label="lab_tlx_ConversionPrice" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Conversion Price</link:label>
    <link:label id="lab_tlx_ConversionPrice_documentation_en-US" xlink:label="lab_tlx_ConversionPrice" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The conversion nominal value per share.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ConversionPrice" xlink:href="tlx-20251231.xsd#tlx_ConversionPrice"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ConversionPrice" xlink:to="lab_tlx_ConversionPrice" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LeaseLiabilities_019b0124-06b4-761c-aaab-ce18584ccc87_periodStartLabel_en-US" xlink:label="lab_ifrs-full_LeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Beginning balance</link:label>
    <link:label id="lab_ifrs-full_LeaseLiabilities_019b0124-06b4-76c4-9b29-6976951fbc98_periodEndLabel_en-US" xlink:label="lab_ifrs-full_LeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Ending balance</link:label>
    <link:label id="lab_ifrs-full_LeaseLiabilities_019b0124-06b4-7c65-8ae6-28576d76c818_totalLabel_en-US" xlink:label="lab_ifrs-full_LeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total lease liabilities</link:label>
    <link:label id="lab_ifrs-full_LeaseLiabilities_019b0124-06b4-70cc-af0f-cbb437d363dc_terseLabel_en-US" xlink:label="lab_ifrs-full_LeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lease liabilities, carrying amount</link:label>
    <link:label id="lab_ifrs-full_LeaseLiabilities_label_en-US" xlink:label="lab_ifrs-full_LeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lease liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LeaseLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LeaseLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LeaseLiabilities" xlink:to="lab_ifrs-full_LeaseLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialAssetsAbstract_019b0124-06b4-7a42-addc-3df6848b8e84_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial assets [Abstract]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialAssetsAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of financial assets [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFinancialAssetsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinancialAssetsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinancialAssetsAbstract" xlink:to="lab_ifrs-full_DisclosureOfFinancialAssetsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_MajorRiskThresholdPercentageOfTotalClassOfAsset_019b0124-073c-74a8-80de-3af8701d964d_terseLabel_en-US" xlink:label="lab_tlx_MajorRiskThresholdPercentageOfTotalClassOfAsset" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of major credit risk</link:label>
    <link:label id="lab_tlx_MajorRiskThresholdPercentageOfTotalClassOfAsset_label_en-US" xlink:label="lab_tlx_MajorRiskThresholdPercentageOfTotalClassOfAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Major Risk Threshold, Percentage Of Total Class Of Asset</link:label>
    <link:label id="lab_tlx_MajorRiskThresholdPercentageOfTotalClassOfAsset_documentation_en-US" xlink:label="lab_tlx_MajorRiskThresholdPercentageOfTotalClassOfAsset" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The percentage of concentration of major credit risk.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_MajorRiskThresholdPercentageOfTotalClassOfAsset" xlink:href="tlx-20251231.xsd#tlx_MajorRiskThresholdPercentageOfTotalClassOfAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_MajorRiskThresholdPercentageOfTotalClassOfAsset" xlink:to="lab_tlx_MajorRiskThresholdPercentageOfTotalClassOfAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughOtherChangesLiabilitiesArisingFromFinancingActivities_019b0124-061c-7c21-b154-4f49702f09fc_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughOtherChangesLiabilitiesArisingFromFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other non-cash movements</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughOtherChangesLiabilitiesArisingFromFinancingActivities_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughOtherChangesLiabilitiesArisingFromFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) through other changes, liabilities arising from financing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughOtherChangesLiabilitiesArisingFromFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughOtherChangesLiabilitiesArisingFromFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughOtherChangesLiabilitiesArisingFromFinancingActivities" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughOtherChangesLiabilitiesArisingFromFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentProvisions_019b0124-073c-726e-aeb3-b2711a38ada3_verboseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentProvisions" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Provisions</link:label>
    <link:label id="lab_ifrs-full_NoncurrentProvisions_019b0124-073c-7a89-954c-f4a08fa61fd2_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentProvisions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-current</link:label>
    <link:label id="lab_ifrs-full_NoncurrentProvisions_label_en-US" xlink:label="lab_ifrs-full_NoncurrentProvisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-current provisions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentProvisions" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentProvisions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentProvisions" xlink:to="lab_ifrs-full_NoncurrentProvisions" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TimingOfTransferOfGoodsOrServicesAxis_019b0124-073c-7bf0-9cbd-2701ee0fff9a_terseLabel_en-US" xlink:label="lab_ifrs-full_TimingOfTransferOfGoodsOrServicesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Timing of transfer of goods or services [axis]</link:label>
    <link:label id="lab_ifrs-full_TimingOfTransferOfGoodsOrServicesAxis_label_en-US" xlink:label="lab_ifrs-full_TimingOfTransferOfGoodsOrServicesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Timing of transfer of goods or services [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TimingOfTransferOfGoodsOrServicesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TimingOfTransferOfGoodsOrServicesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TimingOfTransferOfGoodsOrServicesAxis" xlink:to="lab_ifrs-full_TimingOfTransferOfGoodsOrServicesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsAbstract_019b0124-06b4-737a-aef7-81b2fd16ea8f_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of quantitative information about right-of-use assets [abstract]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of quantitative information about right-of-use assets [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsAbstract" xlink:to="lab_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_QSAMTherapeuticsIncMember_019b0124-061c-76f0-b340-d619ecdc1439_terseLabel_en-US" xlink:label="lab_tlx_QSAMTherapeuticsIncMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">QSAM Therapeutics Inc.</link:label>
    <link:label id="lab_tlx_QSAMTherapeuticsIncMember_label_en-US" xlink:label="lab_tlx_QSAMTherapeuticsIncMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">QSAM Therapeutics Inc. [Member]</link:label>
    <link:label id="lab_tlx_QSAMTherapeuticsIncMember_documentation_en-US" xlink:label="lab_tlx_QSAMTherapeuticsIncMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The name of the entity which is controlled by another entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_QSAMTherapeuticsIncMember" xlink:href="tlx-20251231.xsd#tlx_QSAMTherapeuticsIncMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_QSAMTherapeuticsIncMember" xlink:to="lab_tlx_QSAMTherapeuticsIncMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LiabilitiesArisingFromFinancingActivitiesDomain_019b0124-06b3-7ee4-bd7d-3bdb780d5af1_terseLabel_en-US" xlink:label="lab_ifrs-full_LiabilitiesArisingFromFinancingActivitiesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Liabilities arising from financing activities [domain]</link:label>
    <link:label id="lab_ifrs-full_LiabilitiesArisingFromFinancingActivitiesDomain_label_en-US" xlink:label="lab_ifrs-full_LiabilitiesArisingFromFinancingActivitiesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities arising from financing activities [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LiabilitiesArisingFromFinancingActivitiesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LiabilitiesArisingFromFinancingActivitiesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LiabilitiesArisingFromFinancingActivitiesDomain" xlink:to="lab_ifrs-full_LiabilitiesArisingFromFinancingActivitiesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_UnwindOfDiscountOnConvertibleBonds_019b0124-06b4-72a0-883b-ba58c3a66e5f_terseLabel_en-US" xlink:label="lab_tlx_UnwindOfDiscountOnConvertibleBonds" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unwind of discount on convertible bonds</link:label>
    <link:label id="lab_tlx_UnwindOfDiscountOnConvertibleBonds_label_en-US" xlink:label="lab_tlx_UnwindOfDiscountOnConvertibleBonds" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unwind Of Discount On Convertible Bonds</link:label>
    <link:label id="lab_tlx_UnwindOfDiscountOnConvertibleBonds_documentation_en-US" xlink:label="lab_tlx_UnwindOfDiscountOnConvertibleBonds" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of unwind of discount on convertible bonds during the year.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_UnwindOfDiscountOnConvertibleBonds" xlink:href="tlx-20251231.xsd#tlx_UnwindOfDiscountOnConvertibleBonds"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_UnwindOfDiscountOnConvertibleBonds" xlink:to="lab_tlx_UnwindOfDiscountOnConvertibleBonds" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory_019be699-889d-75a2-8813-6be26b7b3669_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Share-based Payment Reserve</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of number and weighted average exercise prices of other equity instruments [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_GrantDateJuly62023Member_019bea52-e430-7ee5-b42a-4b010dcd8534_terseLabel_en-US" xlink:label="lab_tlx_GrantDateJuly62023Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Grant date July 6, 2023</link:label>
    <link:label id="lab_tlx_GrantDateJuly62023Member_label_en-US" xlink:label="lab_tlx_GrantDateJuly62023Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Grant Date July 6, 2023 [Member]</link:label>
    <link:label id="lab_tlx_GrantDateJuly62023Member_documentation_en-US" xlink:label="lab_tlx_GrantDateJuly62023Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Grant Date July 6, 2023</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_GrantDateJuly62023Member" xlink:href="tlx-20251231.xsd#tlx_GrantDateJuly62023Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_GrantDateJuly62023Member" xlink:to="lab_tlx_GrantDateJuly62023Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherReceivablesExplanatory_019b0124-061c-73b2-bbe8-67bfdff8193b_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherReceivablesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trade and other receivables</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherReceivablesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherReceivablesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for trade and other receivables [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherReceivablesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherReceivablesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherReceivablesExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherReceivablesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IssuedCapital_019b0124-061c-7b48-a64f-355d9c5312b2_terseLabel_en-US" xlink:label="lab_ifrs-full_IssuedCapital" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share capital</link:label>
    <link:label id="lab_ifrs-full_IssuedCapital_019b0124-061c-7e8f-9f59-7888685a931d_periodStartLabel_en-US" xlink:label="lab_ifrs-full_IssuedCapital" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Beginning balance</link:label>
    <link:label id="lab_ifrs-full_IssuedCapital_019b0124-061c-78c4-9957-6d9e34bf8e72_periodEndLabel_en-US" xlink:label="lab_ifrs-full_IssuedCapital" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Ending balance</link:label>
    <link:label id="lab_ifrs-full_IssuedCapital_019be0e1-fa41-7622-b534-6be4fc36ebc7_verboseLabel_en-US" xlink:label="lab_ifrs-full_IssuedCapital" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Share capital</link:label>
    <link:label id="lab_ifrs-full_IssuedCapital_label_en-US" xlink:label="lab_ifrs-full_IssuedCapital" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Issued capital</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IssuedCapital" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IssuedCapital"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IssuedCapital" xlink:to="lab_ifrs-full_IssuedCapital" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputRecognisedInProfitOrLossAfterTaxLiabilities_019bfd7b-abb3-75b7-8cc1-0366677aba49_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputRecognisedInProfitOrLossAfterTaxLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Increase (decrease) in fair value measurement due to reasonably possible decrease in unobservable input, recognised in profit or loss, after tax, liabilities</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputRecognisedInProfitOrLossAfterTaxLiabilities_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputRecognisedInProfitOrLossAfterTaxLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) in fair value measurement due to reasonably possible decrease in unobservable input, recognised in profit or loss, after tax, liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputRecognisedInProfitOrLossAfterTaxLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputRecognisedInProfitOrLossAfterTaxLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputRecognisedInProfitOrLossAfterTaxLiabilities" xlink:to="lab_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputRecognisedInProfitOrLossAfterTaxLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems_019b0124-073c-7194-be25-4684bcbb2afc_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of reconciliation of liabilities arising from financing activities [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of reconciliation of liabilities arising from financing activities [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems" xlink:to="lab_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory_019c5457-bb20-7430-9197-997f1d1ad9d0_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Intangible assets</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of intangible assets and goodwill [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory" xlink:to="lab_ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_IncreaseDecreaseFromChangeInProvisionsPropertyPlantAndEquipment_019b0124-073c-7cee-9244-cb8aa58978ef_terseLabel_en-US" xlink:label="lab_tlx_IncreaseDecreaseFromChangeInProvisionsPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Changes in provisions</link:label>
    <link:label id="lab_tlx_IncreaseDecreaseFromChangeInProvisionsPropertyPlantAndEquipment_label_en-US" xlink:label="lab_tlx_IncreaseDecreaseFromChangeInProvisionsPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) From Change In Provisions, Property, Plant And Equipment</link:label>
    <link:label id="lab_tlx_IncreaseDecreaseFromChangeInProvisionsPropertyPlantAndEquipment_documentation_en-US" xlink:label="lab_tlx_IncreaseDecreaseFromChangeInProvisionsPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of change in provisions of property, plant and equipment.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_IncreaseDecreaseFromChangeInProvisionsPropertyPlantAndEquipment" xlink:href="tlx-20251231.xsd#tlx_IncreaseDecreaseFromChangeInProvisionsPropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_IncreaseDecreaseFromChangeInProvisionsPropertyPlantAndEquipment" xlink:to="lab_tlx_IncreaseDecreaseFromChangeInProvisionsPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughExerciseOfOptions_019b0124-06b4-7205-a157-01d7b0e34b06_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughExerciseOfOptions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Issue of shares on exercise of options</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughExerciseOfOptions_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughExerciseOfOptions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) through exercise of options, equity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughExerciseOfOptions" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughExerciseOfOptions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughExerciseOfOptions" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughExerciseOfOptions" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_InventoryTypeAxis_019c5437-1893-7875-9cb0-aba321c6d4ec_terseLabel_en-US" xlink:label="lab_tlx_InventoryTypeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Inventory Type [Axis]</link:label>
    <link:label id="lab_tlx_InventoryTypeAxis_label_en-US" xlink:label="lab_tlx_InventoryTypeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Inventory Type [Axis]</link:label>
    <link:label id="lab_tlx_InventoryTypeAxis_documentation_en-US" xlink:label="lab_tlx_InventoryTypeAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Inventory Type</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_InventoryTypeAxis" xlink:href="tlx-20251231.xsd#tlx_InventoryTypeAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_InventoryTypeAxis" xlink:to="lab_tlx_InventoryTypeAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TimingOfTransferOfGoodsOrServicesDomain_019b0124-06b4-71e5-b047-6719e0c9293e_terseLabel_en-US" xlink:label="lab_ifrs-full_TimingOfTransferOfGoodsOrServicesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Timing of transfer of goods or services [domain]</link:label>
    <link:label id="lab_ifrs-full_TimingOfTransferOfGoodsOrServicesDomain_label_en-US" xlink:label="lab_ifrs-full_TimingOfTransferOfGoodsOrServicesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Timing of transfer of goods or services [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TimingOfTransferOfGoodsOrServicesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TimingOfTransferOfGoodsOrServicesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TimingOfTransferOfGoodsOrServicesDomain" xlink:to="lab_ifrs-full_TimingOfTransferOfGoodsOrServicesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ExercisePriceShareOptionsGranted2019_019b0124-061c-7b03-8d39-e781d8e5d68e_terseLabel_en-US" xlink:label="lab_ifrs-full_ExercisePriceShareOptionsGranted2019" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exercise price (in AUD/USD per share)</link:label>
    <link:label id="lab_ifrs-full_ExercisePriceShareOptionsGranted2019_label_en-US" xlink:label="lab_ifrs-full_ExercisePriceShareOptionsGranted2019" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Exercise price, share options granted</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ExercisePriceShareOptionsGranted2019" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ExercisePriceShareOptionsGranted2019"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ExercisePriceShareOptionsGranted2019" xlink:to="lab_ifrs-full_ExercisePriceShareOptionsGranted2019" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NumberOfSharesOutstanding_019b0124-06b3-7563-a3b5-dd252ec55e73_periodStartLabel_en-US" xlink:label="lab_ifrs-full_NumberOfSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Beginning balance (in shares)</link:label>
    <link:label id="lab_ifrs-full_NumberOfSharesOutstanding_019b0124-06b3-7b31-b900-5ed6cb901fa5_periodEndLabel_en-US" xlink:label="lab_ifrs-full_NumberOfSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Ending balance (in shares)</link:label>
    <link:label id="lab_ifrs-full_NumberOfSharesOutstanding_label_en-US" xlink:label="lab_ifrs-full_NumberOfSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of shares outstanding</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfSharesOutstanding" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NumberOfSharesOutstanding"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfSharesOutstanding" xlink:to="lab_ifrs-full_NumberOfSharesOutstanding" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_AuditInformationAbstract_label_en-US" xlink:label="lab_tlx_AuditInformationAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Audit Information [Abstract]</link:label>
    <link:label id="lab_tlx_AuditInformationAbstract_documentation_en-US" xlink:label="lab_tlx_AuditInformationAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Audit Information</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_AuditInformationAbstract" xlink:href="tlx-20251231.xsd#tlx_AuditInformationAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_AuditInformationAbstract" xlink:to="lab_tlx_AuditInformationAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProductsAndServicesAxis_019b0124-06b3-773d-81b5-582da9945786_verboseLabel_en-US" xlink:label="lab_ifrs-full_ProductsAndServicesAxis" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Products and services [axis]</link:label>
    <link:label id="lab_ifrs-full_ProductsAndServicesAxis_019b0124-06b3-75de-9b86-a8014a979202_terseLabel_en-US" xlink:label="lab_ifrs-full_ProductsAndServicesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Products and services [axis]</link:label>
    <link:label id="lab_ifrs-full_ProductsAndServicesAxis_label_en-US" xlink:label="lab_ifrs-full_ProductsAndServicesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Products and services [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProductsAndServicesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProductsAndServicesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProductsAndServicesAxis" xlink:to="lab_ifrs-full_ProductsAndServicesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialLiabilities_019be119-80c9-7d7c-8cad-f7373f1db4ca_totalLabel_en-US" xlink:label="lab_ifrs-full_FinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total financial liabilities, carrying amount</link:label>
    <link:label id="lab_ifrs-full_FinancialLiabilities_label_en-US" xlink:label="lab_ifrs-full_FinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialLiabilities" xlink:to="lab_ifrs-full_FinancialLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputRecognisedInOtherComprehensiveIncomeAfterTaxAssets_019b0124-073c-71f8-9930-9d7eea2353a7_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputRecognisedInOtherComprehensiveIncomeAfterTaxAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Increase (decrease) in fair value measurement due to reasonably possible increase in unobservable input, recognised in other comprehensive income, after tax, assets</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputRecognisedInOtherComprehensiveIncomeAfterTaxAssets_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputRecognisedInOtherComprehensiveIncomeAfterTaxAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) in fair value measurement due to reasonably possible increase in unobservable input, recognised in other comprehensive income, after tax, assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputRecognisedInOtherComprehensiveIncomeAfterTaxAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputRecognisedInOtherComprehensiveIncomeAfterTaxAssets"/>
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    <link:label id="lab_tlx_DedicaidQDOSEMember_019b0124-055d-7608-a907-e7231bfe73b2_terseLabel_en-US" xlink:label="lab_tlx_DedicaidQDOSEMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Dedicaid, QDOSE</link:label>
    <link:label id="lab_tlx_DedicaidQDOSEMember_label_en-US" xlink:label="lab_tlx_DedicaidQDOSEMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Dedicaid QDOSE [Member]</link:label>
    <link:label id="lab_tlx_DedicaidQDOSEMember_documentation_en-US" xlink:label="lab_tlx_DedicaidQDOSEMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for a product or business unit.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_DedicaidQDOSEMember" xlink:href="tlx-20251231.xsd#tlx_DedicaidQDOSEMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_DedicaidQDOSEMember" xlink:to="lab_tlx_DedicaidQDOSEMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherTemporaryDifferencesMember_019b0124-06b3-7a05-ae43-d812c5828e3f_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
    <link:label id="lab_ifrs-full_OtherTemporaryDifferencesMember_label_en-US" xlink:label="lab_ifrs-full_OtherTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other temporary differences [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherTemporaryDifferencesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherTemporaryDifferencesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherTemporaryDifferencesMember" xlink:to="lab_ifrs-full_OtherTemporaryDifferencesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_DepreciationChargeOnRightOfUseAssetsTextBlock_019b0124-073c-72da-8f69-725e4cb22015_terseLabel_en-US" xlink:label="lab_tlx_DepreciationChargeOnRightOfUseAssetsTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Depreciation Charge on Right-of-Use Assets</link:label>
    <link:label id="lab_tlx_DepreciationChargeOnRightOfUseAssetsTextBlock_label_en-US" xlink:label="lab_tlx_DepreciationChargeOnRightOfUseAssetsTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Depreciation Charge On Right-Of-Use Assets [Text Block]</link:label>
    <link:label id="lab_tlx_DepreciationChargeOnRightOfUseAssetsTextBlock_documentation_en-US" xlink:label="lab_tlx_DepreciationChargeOnRightOfUseAssetsTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of depreciation charge on right-of-use assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_DepreciationChargeOnRightOfUseAssetsTextBlock" xlink:href="tlx-20251231.xsd#tlx_DepreciationChargeOnRightOfUseAssetsTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_DepreciationChargeOnRightOfUseAssetsTextBlock" xlink:to="lab_tlx_DepreciationChargeOnRightOfUseAssetsTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncomeTaxExpenseContinuingOperations_019b0124-06b3-7076-a6ad-dbfed6856803_negatedLabel_en-US" xlink:label="lab_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Income tax (expense)/benefit</link:label>
    <link:label id="lab_ifrs-full_IncomeTaxExpenseContinuingOperations_019b0124-06b3-7458-b7b3-52331216b093_totalLabel_en-US" xlink:label="lab_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Income tax expense/(benefit)</link:label>
    <link:label id="lab_ifrs-full_IncomeTaxExpenseContinuingOperations_019be0c1-9f4c-70b6-b487-481e2192ee20_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Income tax expense</link:label>
    <link:label id="lab_ifrs-full_IncomeTaxExpenseContinuingOperations_label_en-US" xlink:label="lab_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax expense (income)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncomeTaxExpenseContinuingOperations"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:to="lab_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfCashFlowStatementExplanatory_019b0124-06b3-791a-aa30-411e23fdcbfc_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfCashFlowStatementExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash flow information</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfCashFlowStatementExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfCashFlowStatementExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of cash flow statement [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfCashFlowStatementExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfCashFlowStatementExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfCashFlowStatementExplanatory" xlink:to="lab_ifrs-full_DisclosureOfCashFlowStatementExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesDomain_019c5515-96e6-7ad4-918f-ef1aa422434a_terseLabel_en-US" xlink:label="lab_ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash-generating units [domain]</link:label>
    <link:label id="lab_ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesDomain_label_en-US" xlink:label="lab_ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash-generating units [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesDomain" xlink:to="lab_ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory_019b0124-06b4-7079-81e5-7e13341dc272_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Events occurring after the reporting period</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of events after reporting period [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory" xlink:to="lab_ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ChangeInKeyAssumptionAxis_019c21d0-a596-78f0-adc6-a3a1e3b1b129_terseLabel_en-US" xlink:label="lab_tlx_ChangeInKeyAssumptionAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Change In Key Assumption [Axis]</link:label>
    <link:label id="lab_tlx_ChangeInKeyAssumptionAxis_label_en-US" xlink:label="lab_tlx_ChangeInKeyAssumptionAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Change In Key Assumption [Axis]</link:label>
    <link:label id="lab_tlx_ChangeInKeyAssumptionAxis_documentation_en-US" xlink:label="lab_tlx_ChangeInKeyAssumptionAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Change In Key Assumption</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ChangeInKeyAssumptionAxis" xlink:href="tlx-20251231.xsd#tlx_ChangeInKeyAssumptionAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ChangeInKeyAssumptionAxis" xlink:to="lab_tlx_ChangeInKeyAssumptionAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_MaximumMeasurementPeriod_019b0124-06b4-794c-9018-e3fba1f182ec_terseLabel_en-US" xlink:label="lab_tlx_MaximumMeasurementPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maximum measurement period (in years)</link:label>
    <link:label id="lab_tlx_MaximumMeasurementPeriod_label_en-US" xlink:label="lab_tlx_MaximumMeasurementPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maximum Measurement Period</link:label>
    <link:label id="lab_tlx_MaximumMeasurementPeriod_documentation_en-US" xlink:label="lab_tlx_MaximumMeasurementPeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The maximum period of measurement from the date of acquisition to the date the group obtains complete information about facts and circumstances that existed as of the acquisition date, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_MaximumMeasurementPeriod" xlink:href="tlx-20251231.xsd#tlx_MaximumMeasurementPeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_MaximumMeasurementPeriod" xlink:to="lab_tlx_MaximumMeasurementPeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentTransitionReport_019b0124-061c-7c71-87f9-81099de73fbd_terseLabel_en-US" xlink:label="lab_dei_DocumentTransitionReport" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Transition Report</link:label>
    <link:label id="lab_dei_DocumentTransitionReport_label_en-US" xlink:label="lab_dei_DocumentTransitionReport" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Transition Report</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentTransitionReport" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentTransitionReport"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentTransitionReport" xlink:to="lab_dei_DocumentTransitionReport" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_SignificantCreditRiskExposureRiskPercentage_019b0124-06b3-7363-9446-3c0e5e24d641_terseLabel_en-US" xlink:label="lab_tlx_SignificantCreditRiskExposureRiskPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of credit risk</link:label>
    <link:label id="lab_tlx_SignificantCreditRiskExposureRiskPercentage_label_en-US" xlink:label="lab_tlx_SignificantCreditRiskExposureRiskPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Significant Credit Risk Exposure, Risk Percentage</link:label>
    <link:label id="lab_tlx_SignificantCreditRiskExposureRiskPercentage_documentation_en-US" xlink:label="lab_tlx_SignificantCreditRiskExposureRiskPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The percentage of concentration of credit risk.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_SignificantCreditRiskExposureRiskPercentage" xlink:href="tlx-20251231.xsd#tlx_SignificantCreditRiskExposureRiskPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_SignificantCreditRiskExposureRiskPercentage" xlink:to="lab_tlx_SignificantCreditRiskExposureRiskPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract_019b0124-061c-72d3-96e4-da876eace031_terseLabel_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash flows from operating activities</link:label>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash flows from (used in) operating activities [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract" xlink:to="lab_ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentPeriodEndDate_019b0124-06b4-733d-9dd2-05572efaf514_terseLabel_en-US" xlink:label="lab_dei_DocumentPeriodEndDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Period End Date</link:label>
    <link:label id="lab_dei_DocumentPeriodEndDate_label_en-US" xlink:label="lab_dei_DocumentPeriodEndDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Period End Date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentPeriodEndDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentPeriodEndDate" xlink:to="lab_dei_DocumentPeriodEndDate" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_LightpointSurgicalLtdMember_019b0124-06b4-7dce-8f2a-ab0c88c1e9e4_terseLabel_en-US" xlink:label="lab_tlx_LightpointSurgicalLtdMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lightpoint Surgical Ltd</link:label>
    <link:label id="lab_tlx_LightpointSurgicalLtdMember_label_en-US" xlink:label="lab_tlx_LightpointSurgicalLtdMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lightpoint Surgical Ltd [Member]</link:label>
    <link:label id="lab_tlx_LightpointSurgicalLtdMember_documentation_en-US" xlink:label="lab_tlx_LightpointSurgicalLtdMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The name of the entity which is controlled by another entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_LightpointSurgicalLtdMember" xlink:href="tlx-20251231.xsd#tlx_LightpointSurgicalLtdMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_LightpointSurgicalLtdMember" xlink:to="lab_tlx_LightpointSurgicalLtdMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfClassesOfShareCapitalLineItems_019b0124-06b4-77ee-82d8-815306331a27_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfClassesOfShareCapitalLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of classes of share capital [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfClassesOfShareCapitalLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfClassesOfShareCapitalLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of classes of share capital [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfClassesOfShareCapitalLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfClassesOfShareCapitalLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfClassesOfShareCapitalLineItems" xlink:to="lab_ifrs-full_DisclosureOfClassesOfShareCapitalLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_UnwindOfDiscountOnContractLiabilities_019b0124-06b3-73bf-a66c-85dc8b6a343d_terseLabel_en-US" xlink:label="lab_tlx_UnwindOfDiscountOnContractLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unwind of discount on contract liabilities</link:label>
    <link:label id="lab_tlx_UnwindOfDiscountOnContractLiabilities_label_en-US" xlink:label="lab_tlx_UnwindOfDiscountOnContractLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unwind Of Discount On Contract Liabilities</link:label>
    <link:label id="lab_tlx_UnwindOfDiscountOnContractLiabilities_documentation_en-US" xlink:label="lab_tlx_UnwindOfDiscountOnContractLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of unwind of discount on contract liabilities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_UnwindOfDiscountOnContractLiabilities" xlink:href="tlx-20251231.xsd#tlx_UnwindOfDiscountOnContractLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_UnwindOfDiscountOnContractLiabilities" xlink:to="lab_tlx_UnwindOfDiscountOnContractLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesRightofuseAssets_019b0124-06b4-776c-b238-f628a302f337_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesRightofuseAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exchange differences</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesRightofuseAssets_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesRightofuseAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) through net exchange differences, right-of-use assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesRightofuseAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesRightofuseAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesRightofuseAssets" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesRightofuseAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_UnwindOfDiscountOnProvisions_019b0124-061c-7d08-aacb-2abc882ea8cf_terseLabel_en-US" xlink:label="lab_tlx_UnwindOfDiscountOnProvisions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unwind of discount on provisions</link:label>
    <link:label id="lab_tlx_UnwindOfDiscountOnProvisions_label_en-US" xlink:label="lab_tlx_UnwindOfDiscountOnProvisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unwind Of Discount On Provisions</link:label>
    <link:label id="lab_tlx_UnwindOfDiscountOnProvisions_documentation_en-US" xlink:label="lab_tlx_UnwindOfDiscountOnProvisions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of unwind of discount on provisions.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_UnwindOfDiscountOnProvisions" xlink:href="tlx-20251231.xsd#tlx_UnwindOfDiscountOnProvisions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_UnwindOfDiscountOnProvisions" xlink:to="lab_tlx_UnwindOfDiscountOnProvisions" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MaturityAxis_019b0124-061c-71fa-b7ec-7834a89e7f4b_terseLabel_en-US" xlink:label="lab_ifrs-full_MaturityAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maturity [axis]</link:label>
    <link:label id="lab_ifrs-full_MaturityAxis_label_en-US" xlink:label="lab_ifrs-full_MaturityAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maturity [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MaturityAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MaturityAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MaturityAxis" xlink:to="lab_ifrs-full_MaturityAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ResearchAndDevelopmentsCommitmentsContractualObligations_019b0124-061c-72a8-bb34-f5d867ca1aac_terseLabel_en-US" xlink:label="lab_tlx_ResearchAndDevelopmentsCommitmentsContractualObligations" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">R&amp;D commitments</link:label>
    <link:label id="lab_tlx_ResearchAndDevelopmentsCommitmentsContractualObligations_label_en-US" xlink:label="lab_tlx_ResearchAndDevelopmentsCommitmentsContractualObligations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Research and developments commitments contractual obligations</link:label>
    <link:label id="lab_tlx_ResearchAndDevelopmentsCommitmentsContractualObligations_documentation_en-US" xlink:label="lab_tlx_ResearchAndDevelopmentsCommitmentsContractualObligations" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of research and developments commitments contractual obligations for which the entity has committed.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ResearchAndDevelopmentsCommitmentsContractualObligations" xlink:href="tlx-20251231.xsd#tlx_ResearchAndDevelopmentsCommitmentsContractualObligations"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ResearchAndDevelopmentsCommitmentsContractualObligations" xlink:to="lab_tlx_ResearchAndDevelopmentsCommitmentsContractualObligations" xlink:type="arc" order="1"/>
    <link:label id="lab_country_GB_019b0124-06b3-7585-b5c3-569748f7ed61_terseLabel_en-US" xlink:label="lab_country_GB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">United Kingdom</link:label>
    <link:label id="lab_country_GB_label_en-US" xlink:label="lab_country_GB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">UNITED KINGDOM</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_country_GB" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_GB"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_GB" xlink:to="lab_country_GB" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ConvertibleBondsMember_019b0124-061c-7883-9749-5f8cd543ef97_terseLabel_en-US" xlink:label="lab_tlx_ConvertibleBondsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Convertible bonds</link:label>
    <link:label id="lab_tlx_ConvertibleBondsMember_label_en-US" xlink:label="lab_tlx_ConvertibleBondsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Convertible Bonds [Member]</link:label>
    <link:label id="lab_tlx_ConvertibleBondsMember_documentation_en-US" xlink:label="lab_tlx_ConvertibleBondsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for convertible bonds.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ConvertibleBondsMember" xlink:href="tlx-20251231.xsd#tlx_ConvertibleBondsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ConvertibleBondsMember" xlink:to="lab_tlx_ConvertibleBondsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_IncreaseDecreaseThroughRemeasurementOtherProvisions_019c75e7-cc29-7a55-a9d3-4e79de9ce44c_terseLabel_en-US" xlink:label="lab_tlx_IncreaseDecreaseThroughRemeasurementOtherProvisions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Remeasurement of provisions</link:label>
    <link:label id="lab_tlx_IncreaseDecreaseThroughRemeasurementOtherProvisions_label_en-US" xlink:label="lab_tlx_IncreaseDecreaseThroughRemeasurementOtherProvisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Remeasurement, Other Provisions</link:label>
    <link:label id="lab_tlx_IncreaseDecreaseThroughRemeasurementOtherProvisions_documentation_en-US" xlink:label="lab_tlx_IncreaseDecreaseThroughRemeasurementOtherProvisions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Remeasurement, Other Provisions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_IncreaseDecreaseThroughRemeasurementOtherProvisions" xlink:href="tlx-20251231.xsd#tlx_IncreaseDecreaseThroughRemeasurementOtherProvisions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_IncreaseDecreaseThroughRemeasurementOtherProvisions" xlink:to="lab_tlx_IncreaseDecreaseThroughRemeasurementOtherProvisions" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfFinancialInstrumentsAxis_019b0124-06b4-7d48-9def-26bd01920347_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialInstrumentsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of financial instruments [axis]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfFinancialInstrumentsAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialInstrumentsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of financial instruments [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfFinancialInstrumentsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialInstrumentsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfFinancialInstrumentsAxis" xlink:to="lab_ifrs-full_ClassesOfFinancialInstrumentsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Goodwill_019c5515-55b0-7f8a-9a83-d92b1ab7457c_terseLabel_en-US" xlink:label="lab_ifrs-full_Goodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total goodwill allocated to CGUs</link:label>
    <link:label id="lab_ifrs-full_Goodwill_label_en-US" xlink:label="lab_ifrs-full_Goodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Goodwill" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Goodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Goodwill" xlink:to="lab_ifrs-full_Goodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_GrantDateDomain_019bea5b-90f7-7ede-80cd-82a3573c618d_terseLabel_en-US" xlink:label="lab_tlx_GrantDateDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Grant Date [Domain]</link:label>
    <link:label id="lab_tlx_GrantDateDomain_label_en-US" xlink:label="lab_tlx_GrantDateDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Grant Date [Domain]</link:label>
    <link:label id="lab_tlx_GrantDateDomain_documentation_en-US" xlink:label="lab_tlx_GrantDateDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Grant Date [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_GrantDateDomain" xlink:href="tlx-20251231.xsd#tlx_GrantDateDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_GrantDateDomain" xlink:to="lab_tlx_GrantDateDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SignificantInvestmentsInAssociatesAxis_019b0124-055d-781b-a6dd-04df3a0a78d1_terseLabel_en-US" xlink:label="lab_ifrs-full_SignificantInvestmentsInAssociatesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Associates [axis]</link:label>
    <link:label id="lab_ifrs-full_SignificantInvestmentsInAssociatesAxis_label_en-US" xlink:label="lab_ifrs-full_SignificantInvestmentsInAssociatesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Associates [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SignificantInvestmentsInAssociatesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SignificantInvestmentsInAssociatesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SignificantInvestmentsInAssociatesAxis" xlink:to="lab_ifrs-full_SignificantInvestmentsInAssociatesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BankAndSimilarCharges_019b0124-061c-74c7-a3f7-25cc103e0434_terseLabel_en-US" xlink:label="lab_ifrs-full_BankAndSimilarCharges" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bank fees</link:label>
    <link:label id="lab_ifrs-full_BankAndSimilarCharges_label_en-US" xlink:label="lab_ifrs-full_BankAndSimilarCharges" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bank and similar charges</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BankAndSimilarCharges" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BankAndSimilarCharges"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BankAndSimilarCharges" xlink:to="lab_ifrs-full_BankAndSimilarCharges" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentType_019b0124-061c-76a6-8ea8-42cc7b204b31_terseLabel_en-US" xlink:label="lab_dei_DocumentType" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Type</link:label>
    <link:label id="lab_dei_DocumentType_label_en-US" xlink:label="lab_dei_DocumentType" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Type</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentType"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentType" xlink:to="lab_dei_DocumentType" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees_019b0124-073c-748e-81cd-e31773f5de4e_terseLabel_en-US" xlink:label="lab_ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-based payment charge</link:label>
    <link:label id="lab_ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees_label_en-US" xlink:label="lab_ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expense from share-based payment transactions with employees</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees" xlink:to="lab_ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_ProductOrServiceAxis_019bfca1-2e8f-72dc-9701-d660d5b9c680_terseLabel_en-US" xlink:label="lab_srt_ProductOrServiceAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Product and Service [Axis]</link:label>
    <link:label id="lab_srt_ProductOrServiceAxis_label_en-US" xlink:label="lab_srt_ProductOrServiceAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Product and Service [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ProductOrServiceAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ProductOrServiceAxis" xlink:to="lab_srt_ProductOrServiceAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_country_ES_019be0fd-cad6-7d85-9a55-44059e5fcdf2_terseLabel_en-US" xlink:label="lab_country_ES" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Spain</link:label>
    <link:label id="lab_country_ES_label_en-US" xlink:label="lab_country_ES" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">SPAIN</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_country_ES" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_ES"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_ES" xlink:to="lab_country_ES" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_AdjustmentsForImpairmentReversalOfIntangibleAssets_019b0124-073c-7b8d-ac1a-32c184c9e5a2_terseLabel_en-US" xlink:label="lab_tlx_AdjustmentsForImpairmentReversalOfIntangibleAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Impairments/(impairment reversals) of intangible assets</link:label>
    <link:label id="lab_tlx_AdjustmentsForImpairmentReversalOfIntangibleAssets_label_en-US" xlink:label="lab_tlx_AdjustmentsForImpairmentReversalOfIntangibleAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments For Impairment(Reversal) Of Intangible Assets</link:label>
    <link:label id="lab_tlx_AdjustmentsForImpairmentReversalOfIntangibleAssets_documentation_en-US" xlink:label="lab_tlx_AdjustmentsForImpairmentReversalOfIntangibleAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of impairment(reversal) recognized in profit or loss for intangible assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_AdjustmentsForImpairmentReversalOfIntangibleAssets" xlink:href="tlx-20251231.xsd#tlx_AdjustmentsForImpairmentReversalOfIntangibleAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_AdjustmentsForImpairmentReversalOfIntangibleAssets" xlink:to="lab_tlx_AdjustmentsForImpairmentReversalOfIntangibleAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember_019be677-594d-7aa7-a4b6-2cd2f301966b_terseLabel_en-US" xlink:label="lab_ifrs-full_ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial assets at FVOCI reserve</link:label>
    <link:label id="lab_ifrs-full_ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember_label_en-US" xlink:label="lab_ifrs-full_ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reserve of gains and losses on financial assets measured at fair value through other comprehensive income [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember" xlink:to="lab_ifrs-full_ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ExpectedSalesVolumeMember_019b0124-073c-7f0b-ade7-174859e0cdaf_terseLabel_en-US" xlink:label="lab_tlx_ExpectedSalesVolumeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expected sales volumes</link:label>
    <link:label id="lab_tlx_ExpectedSalesVolumeMember_label_en-US" xlink:label="lab_tlx_ExpectedSalesVolumeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected Sales Volume [Member]</link:label>
    <link:label id="lab_tlx_ExpectedSalesVolumeMember_documentation_en-US" xlink:label="lab_tlx_ExpectedSalesVolumeMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for expected sales volume used as a measurement input.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ExpectedSalesVolumeMember" xlink:href="tlx-20251231.xsd#tlx_ExpectedSalesVolumeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ExpectedSalesVolumeMember" xlink:to="lab_tlx_ExpectedSalesVolumeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GrossLeaseLiabilities_019be112-e020-7d13-bc00-b2ec9621cefd_terseLabel_en-US" xlink:label="lab_ifrs-full_GrossLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lease liabilities</link:label>
    <link:label id="lab_ifrs-full_GrossLeaseLiabilities_label_en-US" xlink:label="lab_ifrs-full_GrossLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gross lease liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GrossLeaseLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GrossLeaseLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GrossLeaseLiabilities" xlink:to="lab_ifrs-full_GrossLeaseLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BrandNamesMember_019b0124-061c-729e-a8f4-2de2c8369c34_terseLabel_en-US" xlink:label="lab_ifrs-full_BrandNamesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Intellectual property</link:label>
    <link:label id="lab_ifrs-full_BrandNamesMember_019be057-b25e-7629-a1aa-728a6cc25ca2_verboseLabel_en-US" xlink:label="lab_ifrs-full_BrandNamesMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Brand name</link:label>
    <link:label id="lab_ifrs-full_BrandNamesMember_label_en-US" xlink:label="lab_ifrs-full_BrandNamesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Brand names [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BrandNamesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BrandNamesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BrandNamesMember" xlink:to="lab_ifrs-full_BrandNamesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_RevenueFromLicensesOfIntellectualProperty_019b0124-06b3-7bdd-936d-2d17a132abdf_terseLabel_en-US" xlink:label="lab_tlx_RevenueFromLicensesOfIntellectualProperty" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Licenses of intellectual property</link:label>
    <link:label id="lab_tlx_RevenueFromLicensesOfIntellectualProperty_label_en-US" xlink:label="lab_tlx_RevenueFromLicensesOfIntellectualProperty" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue From Licenses Of Intellectual Property</link:label>
    <link:label id="lab_tlx_RevenueFromLicensesOfIntellectualProperty_documentation_en-US" xlink:label="lab_tlx_RevenueFromLicensesOfIntellectualProperty" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of revenue arising from licenses of intellectual property.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_RevenueFromLicensesOfIntellectualProperty" xlink:href="tlx-20251231.xsd#tlx_RevenueFromLicensesOfIntellectualProperty"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_RevenueFromLicensesOfIntellectualProperty" xlink:to="lab_tlx_RevenueFromLicensesOfIntellectualProperty" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_GrantDateMay22023Member_019bea52-16d6-74f6-9243-870991aead58_terseLabel_en-US" xlink:label="lab_tlx_GrantDateMay22023Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Grant date May 2, 2023</link:label>
    <link:label id="lab_tlx_GrantDateMay22023Member_label_en-US" xlink:label="lab_tlx_GrantDateMay22023Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Grant Date May 2, 2023 [Member]</link:label>
    <link:label id="lab_tlx_GrantDateMay22023Member_documentation_en-US" xlink:label="lab_tlx_GrantDateMay22023Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Grant Date May 2, 2023</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_GrantDateMay22023Member" xlink:href="tlx-20251231.xsd#tlx_GrantDateMay22023Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_GrantDateMay22023Member" xlink:to="lab_tlx_GrantDateMay22023Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncomeStatementAbstract_019b0124-061c-717f-aca4-9de200aa6f7d_terseLabel_en-US" xlink:label="lab_ifrs-full_IncomeStatementAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Profit or loss [abstract]</link:label>
    <link:label id="lab_ifrs-full_IncomeStatementAbstract_label_en-US" xlink:label="lab_ifrs-full_IncomeStatementAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Profit or loss [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncomeStatementAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncomeStatementAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncomeStatementAbstract" xlink:to="lab_ifrs-full_IncomeStatementAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentContractLiabilities_019b0124-06b3-7cef-8c36-e0af0af13156_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentContractLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contract liabilities</link:label>
    <link:label id="lab_ifrs-full_CurrentContractLiabilities_019b0124-06b3-7ec1-a4cd-0f2326e104db_verboseLabel_en-US" xlink:label="lab_ifrs-full_CurrentContractLiabilities" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Current</link:label>
    <link:label id="lab_ifrs-full_CurrentContractLiabilities_label_en-US" xlink:label="lab_ifrs-full_CurrentContractLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current contract liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentContractLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentContractLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentContractLiabilities" xlink:to="lab_ifrs-full_CurrentContractLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_RangeAxis_019c7601-84e2-72a4-9541-f8a2fb08c7ef_terseLabel_en-US" xlink:label="lab_srt_RangeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statistical Measurement [Axis]</link:label>
    <link:label id="lab_srt_RangeAxis_label_en-US" xlink:label="lab_srt_RangeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statistical Measurement [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_RangeAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_RangeAxis" xlink:to="lab_srt_RangeAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_CustomerRelationshipsAndBrandsMember_019b0124-061c-75eb-a48e-74fa7a191c32_terseLabel_en-US" xlink:label="lab_tlx_CustomerRelationshipsAndBrandsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Customer relationships and brands</link:label>
    <link:label id="lab_tlx_CustomerRelationshipsAndBrandsMember_label_en-US" xlink:label="lab_tlx_CustomerRelationshipsAndBrandsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Customer Relationships And Brands [Member]</link:label>
    <link:label id="lab_tlx_CustomerRelationshipsAndBrandsMember_documentation_en-US" xlink:label="lab_tlx_CustomerRelationshipsAndBrandsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for a class of intangible assets representing customer relationships and brands.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_CustomerRelationshipsAndBrandsMember" xlink:href="tlx-20251231.xsd#tlx_CustomerRelationshipsAndBrandsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_CustomerRelationshipsAndBrandsMember" xlink:to="lab_tlx_CustomerRelationshipsAndBrandsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RevenueOfCombinedEntity_019be146-5f2a-7305-b13a-c084d52fde5d_terseLabel_en-US" xlink:label="lab_ifrs-full_RevenueOfCombinedEntity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Revenue of combined entity as if combination occurred at beginning of period</link:label>
    <link:label id="lab_ifrs-full_RevenueOfCombinedEntity_label_en-US" xlink:label="lab_ifrs-full_RevenueOfCombinedEntity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue of combined entity as if combination occurred at beginning of period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RevenueOfCombinedEntity" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RevenueOfCombinedEntity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RevenueOfCombinedEntity" xlink:to="lab_ifrs-full_RevenueOfCombinedEntity" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_TelixPharmaceuticalsCorporatePtyLimitedMember_019b0124-06b4-7074-8c92-da9283da2102_terseLabel_en-US" xlink:label="lab_tlx_TelixPharmaceuticalsCorporatePtyLimitedMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Telix Pharmaceuticals (Corporate) Pty Ltd</link:label>
    <link:label id="lab_tlx_TelixPharmaceuticalsCorporatePtyLimitedMember_label_en-US" xlink:label="lab_tlx_TelixPharmaceuticalsCorporatePtyLimitedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Telix Pharmaceuticals (Corporate) Pty Limited [Member]</link:label>
    <link:label id="lab_tlx_TelixPharmaceuticalsCorporatePtyLimitedMember_documentation_en-US" xlink:label="lab_tlx_TelixPharmaceuticalsCorporatePtyLimitedMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The name of the entity which is controlled by another entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_TelixPharmaceuticalsCorporatePtyLimitedMember" xlink:href="tlx-20251231.xsd#tlx_TelixPharmaceuticalsCorporatePtyLimitedMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_TelixPharmaceuticalsCorporatePtyLimitedMember" xlink:to="lab_tlx_TelixPharmaceuticalsCorporatePtyLimitedMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_TypeOfIntangiblesDomain_019c54ef-153b-7d18-ab38-1744941835f5_terseLabel_en-US" xlink:label="lab_tlx_TypeOfIntangiblesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Type Of Intangibles [Domain]</link:label>
    <link:label id="lab_tlx_TypeOfIntangiblesDomain_label_en-US" xlink:label="lab_tlx_TypeOfIntangiblesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Type Of Intangibles [Domain]</link:label>
    <link:label id="lab_tlx_TypeOfIntangiblesDomain_documentation_en-US" xlink:label="lab_tlx_TypeOfIntangiblesDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Type Of Intangibles [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_TypeOfIntangiblesDomain" xlink:href="tlx-20251231.xsd#tlx_TypeOfIntangiblesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_TypeOfIntangiblesDomain" xlink:to="lab_tlx_TypeOfIntangiblesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfAssetsAxis_019b0124-06b4-7d87-830b-d09fba1cde49_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfAssetsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of assets [axis]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfAssetsAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfAssetsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of assets [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfAssetsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfAssetsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfAssetsAxis" xlink:to="lab_ifrs-full_ClassesOfAssetsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_IncreaseDecreaseThroughMeasurementPeriodAdjustmentsIntangibleAssetsAndGoodwill_019c32d5-0700-72b9-aae6-5a6ba2e5d764_terseLabel_en-US" xlink:label="lab_tlx_IncreaseDecreaseThroughMeasurementPeriodAdjustmentsIntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Measurement period adjustments</link:label>
    <link:label id="lab_tlx_IncreaseDecreaseThroughMeasurementPeriodAdjustmentsIntangibleAssetsAndGoodwill_label_en-US" xlink:label="lab_tlx_IncreaseDecreaseThroughMeasurementPeriodAdjustmentsIntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Measurement Period Adjustments, Intangible Assets And Goodwill</link:label>
    <link:label id="lab_tlx_IncreaseDecreaseThroughMeasurementPeriodAdjustmentsIntangibleAssetsAndGoodwill_documentation_en-US" xlink:label="lab_tlx_IncreaseDecreaseThroughMeasurementPeriodAdjustmentsIntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Measurement Period Adjustments, Intangible Assets And Goodwill</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_IncreaseDecreaseThroughMeasurementPeriodAdjustmentsIntangibleAssetsAndGoodwill" xlink:href="tlx-20251231.xsd#tlx_IncreaseDecreaseThroughMeasurementPeriodAdjustmentsIntangibleAssetsAndGoodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_IncreaseDecreaseThroughMeasurementPeriodAdjustmentsIntangibleAssetsAndGoodwill" xlink:to="lab_tlx_IncreaseDecreaseThroughMeasurementPeriodAdjustmentsIntangibleAssetsAndGoodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TradeAndOtherPayablesToTradeSuppliers_019be602-c4fd-7e98-84f2-f018fb6d0a49_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_TradeAndOtherPayablesToTradeSuppliers" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Trade payables</link:label>
    <link:label id="lab_ifrs-full_TradeAndOtherPayablesToTradeSuppliers_label_en-US" xlink:label="lab_ifrs-full_TradeAndOtherPayablesToTradeSuppliers" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trade payables</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TradeAndOtherPayablesToTradeSuppliers" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TradeAndOtherPayablesToTradeSuppliers"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TradeAndOtherPayablesToTradeSuppliers" xlink:to="lab_ifrs-full_TradeAndOtherPayablesToTradeSuppliers" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OperatingSegmentsMember_019b0124-061c-791f-8071-85b2bafd4a66_terseLabel_en-US" xlink:label="lab_ifrs-full_OperatingSegmentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating segments</link:label>
    <link:label id="lab_ifrs-full_OperatingSegmentsMember_label_en-US" xlink:label="lab_ifrs-full_OperatingSegmentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating segments [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OperatingSegmentsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OperatingSegmentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OperatingSegmentsMember" xlink:to="lab_ifrs-full_OperatingSegmentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentProvisions_019b0124-073c-7fad-872a-284c27d11564_verboseLabel_en-US" xlink:label="lab_ifrs-full_CurrentProvisions" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Provisions</link:label>
    <link:label id="lab_ifrs-full_CurrentProvisions_019b0124-073c-7a13-a83a-50c108a33df6_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentProvisions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current</link:label>
    <link:label id="lab_ifrs-full_CurrentProvisions_label_en-US" xlink:label="lab_ifrs-full_CurrentProvisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current provisions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentProvisions" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentProvisions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentProvisions" xlink:to="lab_ifrs-full_CurrentProvisions" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfSharebasedPaymentArrangementsDomain_019b0124-06b4-7c1d-82e6-d5600d4bca29_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfSharebasedPaymentArrangementsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Types of share-based payment arrangements [domain]</link:label>
    <link:label id="lab_ifrs-full_TypesOfSharebasedPaymentArrangementsDomain_label_en-US" xlink:label="lab_ifrs-full_TypesOfSharebasedPaymentArrangementsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Types of share-based payment arrangements [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfSharebasedPaymentArrangementsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfSharebasedPaymentArrangementsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfSharebasedPaymentArrangementsDomain" xlink:to="lab_ifrs-full_TypesOfSharebasedPaymentArrangementsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RevenueOfAcquiree_019b0124-06b3-76b8-81f0-b17b8c2dfdb3_terseLabel_en-US" xlink:label="lab_ifrs-full_RevenueOfAcquiree" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Revenue of acquiree since acquisition date</link:label>
    <link:label id="lab_ifrs-full_RevenueOfAcquiree_label_en-US" xlink:label="lab_ifrs-full_RevenueOfAcquiree" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue of acquiree since acquisition date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RevenueOfAcquiree" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RevenueOfAcquiree"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RevenueOfAcquiree" xlink:to="lab_ifrs-full_RevenueOfAcquiree" xlink:type="arc" order="1"/>
    <link:label id="lab_country_FR_019be0fd-cad6-79ad-b29f-e31529ef53c3_terseLabel_en-US" xlink:label="lab_country_FR" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">France</link:label>
    <link:label id="lab_country_FR_label_en-US" xlink:label="lab_country_FR" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">FRANCE</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_country_FR" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_FR"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_FR" xlink:to="lab_country_FR" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EarningsPerShareAbstract_019b0124-06b4-7ece-8164-681a74cfb4a4_terseLabel_en-US" xlink:label="lab_ifrs-full_EarningsPerShareAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Earnings per share [abstract]</link:label>
    <link:label id="lab_ifrs-full_EarningsPerShareAbstract_label_en-US" xlink:label="lab_ifrs-full_EarningsPerShareAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings per share [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EarningsPerShareAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EarningsPerShareAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EarningsPerShareAbstract" xlink:to="lab_ifrs-full_EarningsPerShareAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RangeAxis_019b0124-061c-75a9-b919-4db50c01488f_terseLabel_en-US" xlink:label="lab_ifrs-full_RangeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Range [axis]</link:label>
    <link:label id="lab_ifrs-full_RangeAxis_label_en-US" xlink:label="lab_ifrs-full_RangeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Range [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RangeAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RangeAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RangeAxis" xlink:to="lab_ifrs-full_RangeAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ComponentsOfEquityAxis_019b0124-06b3-76f3-ade6-8838eba3df2a_terseLabel_en-US" xlink:label="lab_ifrs-full_ComponentsOfEquityAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Components of equity [axis]</link:label>
    <link:label id="lab_ifrs-full_ComponentsOfEquityAxis_label_en-US" xlink:label="lab_ifrs-full_ComponentsOfEquityAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Components of equity [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComponentsOfEquityAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComponentsOfEquityAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComponentsOfEquityAxis" xlink:to="lab_ifrs-full_ComponentsOfEquityAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_TelixPharmaceuticalsInnovationsPtyLtdMember_019b0124-073c-70bb-b1a6-25aa32c4a5c1_terseLabel_en-US" xlink:label="lab_tlx_TelixPharmaceuticalsInnovationsPtyLtdMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Telix Pharmaceuticals (Innovations) Pty Ltd</link:label>
    <link:label id="lab_tlx_TelixPharmaceuticalsInnovationsPtyLtdMember_label_en-US" xlink:label="lab_tlx_TelixPharmaceuticalsInnovationsPtyLtdMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Telix Pharmaceuticals (Innovations) Pty Ltd [Member]</link:label>
    <link:label id="lab_tlx_TelixPharmaceuticalsInnovationsPtyLtdMember_documentation_en-US" xlink:label="lab_tlx_TelixPharmaceuticalsInnovationsPtyLtdMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The name of the entity which is controlled by another entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_TelixPharmaceuticalsInnovationsPtyLtdMember" xlink:href="tlx-20251231.xsd#tlx_TelixPharmaceuticalsInnovationsPtyLtdMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_TelixPharmaceuticalsInnovationsPtyLtdMember" xlink:to="lab_tlx_TelixPharmaceuticalsInnovationsPtyLtdMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsLineItems_019be8fa-05a8-72d0-8d45-eaac5cda1d34_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsLineItems" xlink:to="lab_ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_MilestonePaymentOnCompletionOfPhaseIIIPivotalRegistrationTrial_019b0124-06b3-7e0f-83f5-9044fc41306f_terseLabel_en-US" xlink:label="lab_tlx_MilestonePaymentOnCompletionOfPhaseIIIPivotalRegistrationTrial" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Milestone payment on completion of phase III pivotal registration trial</link:label>
    <link:label id="lab_tlx_MilestonePaymentOnCompletionOfPhaseIIIPivotalRegistrationTrial_label_en-US" xlink:label="lab_tlx_MilestonePaymentOnCompletionOfPhaseIIIPivotalRegistrationTrial" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Milestone Payment On Completion Of Phase III Pivotal Registration Trial</link:label>
    <link:label id="lab_tlx_MilestonePaymentOnCompletionOfPhaseIIIPivotalRegistrationTrial_documentation_en-US" xlink:label="lab_tlx_MilestonePaymentOnCompletionOfPhaseIIIPivotalRegistrationTrial" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of milestone payment on completion of Phase III pivotal registration trial.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_MilestonePaymentOnCompletionOfPhaseIIIPivotalRegistrationTrial" xlink:href="tlx-20251231.xsd#tlx_MilestonePaymentOnCompletionOfPhaseIIIPivotalRegistrationTrial"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_MilestonePaymentOnCompletionOfPhaseIIIPivotalRegistrationTrial" xlink:to="lab_tlx_MilestonePaymentOnCompletionOfPhaseIIIPivotalRegistrationTrial" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_NonRefundableUpfrontPaymentReceived_019b0124-061c-71f5-837c-15ca3e8a81e5_terseLabel_en-US" xlink:label="lab_tlx_NonRefundableUpfrontPaymentReceived" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-refundable upfront payment received</link:label>
    <link:label id="lab_tlx_NonRefundableUpfrontPaymentReceived_label_en-US" xlink:label="lab_tlx_NonRefundableUpfrontPaymentReceived" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non refundable upfront payment received</link:label>
    <link:label id="lab_tlx_NonRefundableUpfrontPaymentReceived_documentation_en-US" xlink:label="lab_tlx_NonRefundableUpfrontPaymentReceived" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of the non-refundable upfront payment received.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_NonRefundableUpfrontPaymentReceived" xlink:href="tlx-20251231.xsd#tlx_NonRefundableUpfrontPaymentReceived"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_NonRefundableUpfrontPaymentReceived" xlink:to="lab_tlx_NonRefundableUpfrontPaymentReceived" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProfitLossBeforeTax_019b0124-061c-7134-8bcc-db3bb8d04331_totalLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossBeforeTax" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">(Loss)/profit before income tax</link:label>
    <link:label id="lab_ifrs-full_ProfitLossBeforeTax_019b0124-061c-7ee3-8bb6-ef9ff3cf564e_terseLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossBeforeTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">(Loss)/profit before income tax</link:label>
    <link:label id="lab_ifrs-full_ProfitLossBeforeTax_label_en-US" xlink:label="lab_ifrs-full_ProfitLossBeforeTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Profit (loss) before tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLossBeforeTax" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossBeforeTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfitLossBeforeTax" xlink:to="lab_ifrs-full_ProfitLossBeforeTax" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_FairValueStockOptionsGranted_019b0124-061c-7a5a-b44e-78b6d4198e53_terseLabel_en-US" xlink:label="lab_tlx_FairValueStockOptionsGranted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair value (in AUD/USD per share)</link:label>
    <link:label id="lab_tlx_FairValueStockOptionsGranted_label_en-US" xlink:label="lab_tlx_FairValueStockOptionsGranted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value, Stock Options Granted</link:label>
    <link:label id="lab_tlx_FairValueStockOptionsGranted_documentation_en-US" xlink:label="lab_tlx_FairValueStockOptionsGranted" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Fair value of share options granted during the period.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_FairValueStockOptionsGranted" xlink:href="tlx-20251231.xsd#tlx_FairValueStockOptionsGranted"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_FairValueStockOptionsGranted" xlink:to="lab_tlx_FairValueStockOptionsGranted" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_RightOfUseAssetsRecognizedAsOfAcquisitionDate_019b0124-06b4-7a4f-be01-b569ca1cdff9_terseLabel_en-US" xlink:label="lab_tlx_RightOfUseAssetsRecognizedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Right-of-use assets</link:label>
    <link:label id="lab_tlx_RightOfUseAssetsRecognizedAsOfAcquisitionDate_label_en-US" xlink:label="lab_tlx_RightOfUseAssetsRecognizedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Right-Of-Use Assets Recognized As Of Acquisition Date</link:label>
    <link:label id="lab_tlx_RightOfUseAssetsRecognizedAsOfAcquisitionDate_documentation_en-US" xlink:label="lab_tlx_RightOfUseAssetsRecognizedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount recognized as of the acquisition date for right-of-use assets acquired in a business combination.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_RightOfUseAssetsRecognizedAsOfAcquisitionDate" xlink:href="tlx-20251231.xsd#tlx_RightOfUseAssetsRecognizedAsOfAcquisitionDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_RightOfUseAssetsRecognizedAsOfAcquisitionDate" xlink:to="lab_tlx_RightOfUseAssetsRecognizedAsOfAcquisitionDate" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory_019b0124-06b4-70c1-8b02-400c2cc08f33_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of share capital, reserves and other equity interest [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory" xlink:to="lab_ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_TechnicalServicesMember_019b45dd-9d51-70ec-bd4a-a0118e5650ea_terseLabel_en-US" xlink:label="lab_tlx_TechnicalServicesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Technical services</link:label>
    <link:label id="lab_tlx_TechnicalServicesMember_label_en-US" xlink:label="lab_tlx_TechnicalServicesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Technical Services [Member]</link:label>
    <link:label id="lab_tlx_TechnicalServicesMember_documentation_en-US" xlink:label="lab_tlx_TechnicalServicesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Technical Services</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_TechnicalServicesMember" xlink:href="tlx-20251231.xsd#tlx_TechnicalServicesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_TechnicalServicesMember" xlink:to="lab_tlx_TechnicalServicesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CategoriesOfRelatedPartiesDomain_019b44af-59bc-7d73-b7f4-ac4b06aefe75_terseLabel_en-US" xlink:label="lab_ifrs-full_CategoriesOfRelatedPartiesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Categories of related parties [domain]</link:label>
    <link:label id="lab_ifrs-full_CategoriesOfRelatedPartiesDomain_label_en-US" xlink:label="lab_ifrs-full_CategoriesOfRelatedPartiesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Categories of related parties [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CategoriesOfRelatedPartiesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CategoriesOfRelatedPartiesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CategoriesOfRelatedPartiesDomain" xlink:to="lab_ifrs-full_CategoriesOfRelatedPartiesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherCurrentAssets_019b0124-061c-7c65-9104-6f6cee375182_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherCurrentAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other current assets</link:label>
    <link:label id="lab_ifrs-full_OtherCurrentAssets_019b0124-061c-7e47-9df9-2bedc790b439_totalLabel_en-US" xlink:label="lab_ifrs-full_OtherCurrentAssets" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total other current assets</link:label>
    <link:label id="lab_ifrs-full_OtherCurrentAssets_label_en-US" xlink:label="lab_ifrs-full_OtherCurrentAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other current assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherCurrentAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherCurrentAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherCurrentAssets" xlink:to="lab_ifrs-full_OtherCurrentAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_DisclosureOfDetailedInformationAboutRemunerationOfAuditorTableTextBlock_019b0124-061c-78b4-b9b2-dbfea672bf0c_terseLabel_en-US" xlink:label="lab_tlx_DisclosureOfDetailedInformationAboutRemunerationOfAuditorTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Remuneration of Auditor</link:label>
    <link:label id="lab_tlx_DisclosureOfDetailedInformationAboutRemunerationOfAuditorTableTextBlock_label_en-US" xlink:label="lab_tlx_DisclosureOfDetailedInformationAboutRemunerationOfAuditorTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Remuneration Of Auditor [Table Text Block]</link:label>
    <link:label id="lab_tlx_DisclosureOfDetailedInformationAboutRemunerationOfAuditorTableTextBlock_documentation_en-US" xlink:label="lab_tlx_DisclosureOfDetailedInformationAboutRemunerationOfAuditorTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of detailed information about remuneration of auditor.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_DisclosureOfDetailedInformationAboutRemunerationOfAuditorTableTextBlock" xlink:href="tlx-20251231.xsd#tlx_DisclosureOfDetailedInformationAboutRemunerationOfAuditorTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_DisclosureOfDetailedInformationAboutRemunerationOfAuditorTableTextBlock" xlink:to="lab_tlx_DisclosureOfDetailedInformationAboutRemunerationOfAuditorTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfOtherProvisionsTable_019b0124-061c-76d0-9a6a-4c56a31c65fa_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherProvisionsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of other provisions [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfOtherProvisionsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherProvisionsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of other provisions [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOtherProvisionsTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfOtherProvisionsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOtherProvisionsTable" xlink:to="lab_ifrs-full_DisclosureOfOtherProvisionsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PercentageOfReasonablyPossibleIncreaseInUnobservableInputLiabilities_019b0124-061c-7df7-9fef-2989474d28ca_terseLabel_en-US" xlink:label="lab_ifrs-full_PercentageOfReasonablyPossibleIncreaseInUnobservableInputLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of reasonably possible increase in unobservable input, liabilities</link:label>
    <link:label id="lab_ifrs-full_PercentageOfReasonablyPossibleIncreaseInUnobservableInputLiabilities_label_en-US" xlink:label="lab_ifrs-full_PercentageOfReasonablyPossibleIncreaseInUnobservableInputLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage of reasonably possible increase in unobservable input, liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PercentageOfReasonablyPossibleIncreaseInUnobservableInputLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PercentageOfReasonablyPossibleIncreaseInUnobservableInputLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PercentageOfReasonablyPossibleIncreaseInUnobservableInputLiabilities" xlink:to="lab_ifrs-full_PercentageOfReasonablyPossibleIncreaseInUnobservableInputLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_AdjustmentsForDecreaseIncreaseInContingentConsiderationPaymentsClassifiedAsOperatingActivities_019c541d-c199-70fd-a4ec-b2eecd4b95af_terseLabel_en-US" xlink:label="lab_tlx_AdjustmentsForDecreaseIncreaseInContingentConsiderationPaymentsClassifiedAsOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contingent consideration payments classified as operating</link:label>
    <link:label id="lab_tlx_AdjustmentsForDecreaseIncreaseInContingentConsiderationPaymentsClassifiedAsOperatingActivities_label_en-US" xlink:label="lab_tlx_AdjustmentsForDecreaseIncreaseInContingentConsiderationPaymentsClassifiedAsOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments For Decrease (Increase In Contingent Consideration Payments, Classified As Operating Activities</link:label>
    <link:label id="lab_tlx_AdjustmentsForDecreaseIncreaseInContingentConsiderationPaymentsClassifiedAsOperatingActivities_documentation_en-US" xlink:label="lab_tlx_AdjustmentsForDecreaseIncreaseInContingentConsiderationPaymentsClassifiedAsOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Adjustments For Decrease (Increase In Contingent Consideration Payments, Classified As Operating Activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_AdjustmentsForDecreaseIncreaseInContingentConsiderationPaymentsClassifiedAsOperatingActivities" xlink:href="tlx-20251231.xsd#tlx_AdjustmentsForDecreaseIncreaseInContingentConsiderationPaymentsClassifiedAsOperatingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_AdjustmentsForDecreaseIncreaseInContingentConsiderationPaymentsClassifiedAsOperatingActivities" xlink:to="lab_tlx_AdjustmentsForDecreaseIncreaseInContingentConsiderationPaymentsClassifiedAsOperatingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_SalesCommissions_019b0124-061c-7623-80a2-0e6e730ffec2_terseLabel_en-US" xlink:label="lab_tlx_SalesCommissions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Sales commissions</link:label>
    <link:label id="lab_tlx_SalesCommissions_label_en-US" xlink:label="lab_tlx_SalesCommissions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sales Commissions</link:label>
    <link:label id="lab_tlx_SalesCommissions_documentation_en-US" xlink:label="lab_tlx_SalesCommissions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of expense arising from sales commissions.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_SalesCommissions" xlink:href="tlx-20251231.xsd#tlx_SalesCommissions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_SalesCommissions" xlink:to="lab_tlx_SalesCommissions" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfFinancialInstrumentsDomain_019b0124-06b3-7d00-8a72-c61bae5311a4_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialInstrumentsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of financial instruments [domain]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfFinancialInstrumentsDomain_label_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialInstrumentsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of financial instruments [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfFinancialInstrumentsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialInstrumentsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfFinancialInstrumentsDomain" xlink:to="lab_ifrs-full_ClassesOfFinancialInstrumentsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfBusinessCombinationsTable_019b0124-073c-76ca-a402-06d00d7a5879_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfBusinessCombinationsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about business combination [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfBusinessCombinationsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfBusinessCombinationsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about business combination [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfBusinessCombinationsTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfBusinessCombinationsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfBusinessCombinationsTable" xlink:to="lab_ifrs-full_DisclosureOfBusinessCombinationsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_DeferredConsideration_019b3b01-497c-734a-adee-8b22888e5dac_terseLabel_en-US" xlink:label="lab_tlx_DeferredConsideration" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred consideration</link:label>
    <link:label id="lab_tlx_DeferredConsideration_label_en-US" xlink:label="lab_tlx_DeferredConsideration" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Consideration</link:label>
    <link:label id="lab_tlx_DeferredConsideration_documentation_en-US" xlink:label="lab_tlx_DeferredConsideration" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred Consideration</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_DeferredConsideration" xlink:href="tlx-20251231.xsd#tlx_DeferredConsideration"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_DeferredConsideration" xlink:to="lab_tlx_DeferredConsideration" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_GrantDateMarch82024Member_019bea54-cc5a-7a4c-b66c-7974bdd873d3_terseLabel_en-US" xlink:label="lab_tlx_GrantDateMarch82024Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Grant date March 8, 2024</link:label>
    <link:label id="lab_tlx_GrantDateMarch82024Member_label_en-US" xlink:label="lab_tlx_GrantDateMarch82024Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Grant Date March 8, 2024 [Member]</link:label>
    <link:label id="lab_tlx_GrantDateMarch82024Member_documentation_en-US" xlink:label="lab_tlx_GrantDateMarch82024Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Grant Date March 8, 2024</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_GrantDateMarch82024Member" xlink:href="tlx-20251231.xsd#tlx_GrantDateMarch82024Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_GrantDateMarch82024Member" xlink:to="lab_tlx_GrantDateMarch82024Member" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_EntitiesPartyToDeedOfCrossGuaranteeMember_019be05a-dd17-7260-bee7-32d5e9c45200_terseLabel_en-US" xlink:label="lab_tlx_EntitiesPartyToDeedOfCrossGuaranteeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entities party to deed of cross guarantee</link:label>
    <link:label id="lab_tlx_EntitiesPartyToDeedOfCrossGuaranteeMember_label_en-US" xlink:label="lab_tlx_EntitiesPartyToDeedOfCrossGuaranteeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entities Party To Deed Of Cross Guarantee [Member]</link:label>
    <link:label id="lab_tlx_EntitiesPartyToDeedOfCrossGuaranteeMember_documentation_en-US" xlink:label="lab_tlx_EntitiesPartyToDeedOfCrossGuaranteeMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Entities Party To Deed Of Cross Guarantee</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_EntitiesPartyToDeedOfCrossGuaranteeMember" xlink:href="tlx-20251231.xsd#tlx_EntitiesPartyToDeedOfCrossGuaranteeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_EntitiesPartyToDeedOfCrossGuaranteeMember" xlink:to="lab_tlx_EntitiesPartyToDeedOfCrossGuaranteeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_AuditorLocation_019b0124-06b3-71ee-b715-9027a7fa0e86_terseLabel_en-US" xlink:label="lab_dei_AuditorLocation" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Auditor Location</link:label>
    <link:label id="lab_dei_AuditorLocation_label_en-US" xlink:label="lab_dei_AuditorLocation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Auditor Location</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AuditorLocation" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AuditorLocation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AuditorLocation" xlink:to="lab_dei_AuditorLocation" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_TheHongkongAndShanghaiBankingCorporationLimitedAsTheTrusteeForConvertibleBondHoldersMember_019b0124-06b3-7df8-a342-8d93138f3f25_terseLabel_en-US" xlink:label="lab_tlx_TheHongkongAndShanghaiBankingCorporationLimitedAsTheTrusteeForConvertibleBondHoldersMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">The Hongkong and Shanghai Banking Corporation Limited As The Trustee For Convertible Bond Holders</link:label>
    <link:label id="lab_tlx_TheHongkongAndShanghaiBankingCorporationLimitedAsTheTrusteeForConvertibleBondHoldersMember_label_en-US" xlink:label="lab_tlx_TheHongkongAndShanghaiBankingCorporationLimitedAsTheTrusteeForConvertibleBondHoldersMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">The Hongkong And Shanghai Banking Corporation Limited As The Trustee For Convertible Bond Holders [Member]</link:label>
    <link:label id="lab_tlx_TheHongkongAndShanghaiBankingCorporationLimitedAsTheTrusteeForConvertibleBondHoldersMember_documentation_en-US" xlink:label="lab_tlx_TheHongkongAndShanghaiBankingCorporationLimitedAsTheTrusteeForConvertibleBondHoldersMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for the name of financial institution which company made loan agreement.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_TheHongkongAndShanghaiBankingCorporationLimitedAsTheTrusteeForConvertibleBondHoldersMember" xlink:href="tlx-20251231.xsd#tlx_TheHongkongAndShanghaiBankingCorporationLimitedAsTheTrusteeForConvertibleBondHoldersMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_TheHongkongAndShanghaiBankingCorporationLimitedAsTheTrusteeForConvertibleBondHoldersMember" xlink:to="lab_tlx_TheHongkongAndShanghaiBankingCorporationLimitedAsTheTrusteeForConvertibleBondHoldersMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughBusinessCombinationsDeferredTaxLiabilityAsset_019c6385-ef6f-77cd-8a1d-1f6294a1367f_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughBusinessCombinationsDeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Credited/(charged) on acquisition</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughBusinessCombinationsDeferredTaxLiabilityAsset_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughBusinessCombinationsDeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) through business combinations, deferred tax liability (asset)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughBusinessCombinationsDeferredTaxLiabilityAsset" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughBusinessCombinationsDeferredTaxLiabilityAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughBusinessCombinationsDeferredTaxLiabilityAsset" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughBusinessCombinationsDeferredTaxLiabilityAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_Phase2Member_019bfc9d-4f6d-795f-a6bb-ef7dd4e25b9f_terseLabel_en-US" xlink:label="lab_tlx_Phase2Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Phase 2</link:label>
    <link:label id="lab_tlx_Phase2Member_label_en-US" xlink:label="lab_tlx_Phase2Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Phase 2 [Member]</link:label>
    <link:label id="lab_tlx_Phase2Member_documentation_en-US" xlink:label="lab_tlx_Phase2Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Phase 2</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_Phase2Member" xlink:href="tlx-20251231.xsd#tlx_Phase2Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_Phase2Member" xlink:to="lab_tlx_Phase2Member" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_OtherGainsLossesNetAbstract_019b0124-061c-7651-a0ab-b506857549ec_terseLabel_en-US" xlink:label="lab_tlx_OtherGainsLossesNetAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other (gains)/losses (net) [Abstract]</link:label>
    <link:label id="lab_tlx_OtherGainsLossesNetAbstract_label_en-US" xlink:label="lab_tlx_OtherGainsLossesNetAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other (Gains)/Losses (Net) [Abstract]</link:label>
    <link:label id="lab_tlx_OtherGainsLossesNetAbstract_documentation_en-US" xlink:label="lab_tlx_OtherGainsLossesNetAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other (gains)/losses (net) [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_OtherGainsLossesNetAbstract" xlink:href="tlx-20251231.xsd#tlx_OtherGainsLossesNetAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_OtherGainsLossesNetAbstract" xlink:to="lab_tlx_OtherGainsLossesNetAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InterestReceivedClassifiedAsOperatingActivities_019b0124-073c-7e5c-b652-4dac30eb063b_terseLabel_en-US" xlink:label="lab_ifrs-full_InterestReceivedClassifiedAsOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest received</link:label>
    <link:label id="lab_ifrs-full_InterestReceivedClassifiedAsOperatingActivities_label_en-US" xlink:label="lab_ifrs-full_InterestReceivedClassifiedAsOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest received, classified as operating activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestReceivedClassifiedAsOperatingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InterestReceivedClassifiedAsOperatingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestReceivedClassifiedAsOperatingActivities" xlink:to="lab_ifrs-full_InterestReceivedClassifiedAsOperatingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LaterThanOneMonthAndNotLaterThanSixMonthsMember_019b0124-055d-720e-ae54-27f7aa120ac5_terseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanOneMonthAndNotLaterThanSixMonthsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">1-6 months</link:label>
    <link:label id="lab_ifrs-full_LaterThanOneMonthAndNotLaterThanSixMonthsMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanOneMonthAndNotLaterThanSixMonthsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Later than one month and not later than six months [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanOneMonthAndNotLaterThanSixMonthsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LaterThanOneMonthAndNotLaterThanSixMonthsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanOneMonthAndNotLaterThanSixMonthsMember" xlink:to="lab_ifrs-full_LaterThanOneMonthAndNotLaterThanSixMonthsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_DecommissioningCostsExpectedToBeIncurred_019b0124-061c-7899-9f48-632b34d99ed7_terseLabel_en-US" xlink:label="lab_tlx_DecommissioningCostsExpectedToBeIncurred" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total decommissioning costs expected to be incurred</link:label>
    <link:label id="lab_tlx_DecommissioningCostsExpectedToBeIncurred_label_en-US" xlink:label="lab_tlx_DecommissioningCostsExpectedToBeIncurred" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Decommissioning Costs Expected To Be Incurred</link:label>
    <link:label id="lab_tlx_DecommissioningCostsExpectedToBeIncurred_documentation_en-US" xlink:label="lab_tlx_DecommissioningCostsExpectedToBeIncurred" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of decommissioning costs expected to be incurred.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_DecommissioningCostsExpectedToBeIncurred" xlink:href="tlx-20251231.xsd#tlx_DecommissioningCostsExpectedToBeIncurred"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_DecommissioningCostsExpectedToBeIncurred" xlink:to="lab_tlx_DecommissioningCostsExpectedToBeIncurred" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_OtherEquitySecuritiesValueOfConversionRights_019b3b1f-ec0e-73c6-8dce-d7de8bae7d1a_negatedTerseLabel_en-US" xlink:label="lab_tlx_OtherEquitySecuritiesValueOfConversionRights" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Other equity securities - value of conversion rights</link:label>
    <link:label id="lab_tlx_OtherEquitySecuritiesValueOfConversionRights_label_en-US" xlink:label="lab_tlx_OtherEquitySecuritiesValueOfConversionRights" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Equity Securities Value Of Conversion Rights</link:label>
    <link:label id="lab_tlx_OtherEquitySecuritiesValueOfConversionRights_documentation_en-US" xlink:label="lab_tlx_OtherEquitySecuritiesValueOfConversionRights" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase (decrease) in equity resulting from the conversion of performance rights.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_OtherEquitySecuritiesValueOfConversionRights" xlink:href="tlx-20251231.xsd#tlx_OtherEquitySecuritiesValueOfConversionRights"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_OtherEquitySecuritiesValueOfConversionRights" xlink:to="lab_tlx_OtherEquitySecuritiesValueOfConversionRights" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RevenueFromRenderingOfServices_019be8ea-b77d-73f6-9f1e-fb36f749903d_terseLabel_en-US" xlink:label="lab_ifrs-full_RevenueFromRenderingOfServices" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provision of services</link:label>
    <link:label id="lab_ifrs-full_RevenueFromRenderingOfServices_label_en-US" xlink:label="lab_ifrs-full_RevenueFromRenderingOfServices" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue from rendering of services</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RevenueFromRenderingOfServices" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RevenueFromRenderingOfServices"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RevenueFromRenderingOfServices" xlink:to="lab_ifrs-full_RevenueFromRenderingOfServices" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProductsAndServicesDomain_019b0124-061c-725e-a199-38c273d98349_terseLabel_en-US" xlink:label="lab_ifrs-full_ProductsAndServicesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Products and services [domain]</link:label>
    <link:label id="lab_ifrs-full_ProductsAndServicesDomain_label_en-US" xlink:label="lab_ifrs-full_ProductsAndServicesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Products and services [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProductsAndServicesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProductsAndServicesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProductsAndServicesDomain" xlink:to="lab_ifrs-full_ProductsAndServicesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfOperatingSegmentsExplanatory_019b0124-061c-70e2-853b-a136396e50fb_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOperatingSegmentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Operating Segment Assets and Liabilities</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfOperatingSegmentsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOperatingSegmentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of operating segments [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOperatingSegmentsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfOperatingSegmentsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOperatingSegmentsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfOperatingSegmentsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_WeightedAverageShares_019b0124-061c-7ed8-b1be-c16bc0da0e9c_terseLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted average number of ordinary shares used as the denominator in calculating basic earnings/loss per share (in shares)</link:label>
    <link:label id="lab_ifrs-full_WeightedAverageShares_label_en-US" xlink:label="lab_ifrs-full_WeightedAverageShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted average number of ordinary shares used in calculating basic earnings per share</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WeightedAverageShares" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WeightedAverageShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WeightedAverageShares" xlink:to="lab_ifrs-full_WeightedAverageShares" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PostemploymentBenefitExpenseInProfitOrLoss_019b0124-061c-7fdc-a1c5-c52f311e4402_terseLabel_en-US" xlink:label="lab_ifrs-full_PostemploymentBenefitExpenseInProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Superannuation</link:label>
    <link:label id="lab_ifrs-full_PostemploymentBenefitExpenseInProfitOrLoss_label_en-US" xlink:label="lab_ifrs-full_PostemploymentBenefitExpenseInProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Post-employment benefit expense in profit or loss</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PostemploymentBenefitExpenseInProfitOrLoss" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PostemploymentBenefitExpenseInProfitOrLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PostemploymentBenefitExpenseInProfitOrLoss" xlink:to="lab_ifrs-full_PostemploymentBenefitExpenseInProfitOrLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDepreciationAndAmortisationExpenseExplanatory_019b0124-061c-7387-b8db-e49772cf22c2_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDepreciationAndAmortisationExpenseExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Depreciation and amortization</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDepreciationAndAmortisationExpenseExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDepreciationAndAmortisationExpenseExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of depreciation and amortisation expense [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDepreciationAndAmortisationExpenseExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDepreciationAndAmortisationExpenseExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDepreciationAndAmortisationExpenseExplanatory" xlink:to="lab_ifrs-full_DisclosureOfDepreciationAndAmortisationExpenseExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory_019b0124-061c-74b4-afcb-b4f09a903234_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Movements in Deferred Tax Assets and Liabilities</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of temporary difference, unused tax losses and unused tax credits [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory"/>
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    <link:label id="lab_tlx_NumberOfShareOptionsVestedInShareBasedPaymentArrangement_019b0124-06b4-7475-8ad1-6df99f1444b8_terseLabel_en-US" xlink:label="lab_tlx_NumberOfShareOptionsVestedInShareBasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Vested during the year (in shares)</link:label>
    <link:label id="lab_tlx_NumberOfShareOptionsVestedInShareBasedPaymentArrangement_label_en-US" xlink:label="lab_tlx_NumberOfShareOptionsVestedInShareBasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Share Options Vested In Share Based Payment Arrangement</link:label>
    <link:label id="lab_tlx_NumberOfShareOptionsVestedInShareBasedPaymentArrangement_documentation_en-US" xlink:label="lab_tlx_NumberOfShareOptionsVestedInShareBasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The number of equity-based payment instruments, that vested during the reporting period.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_NumberOfShareOptionsVestedInShareBasedPaymentArrangement" xlink:href="tlx-20251231.xsd#tlx_NumberOfShareOptionsVestedInShareBasedPaymentArrangement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_NumberOfShareOptionsVestedInShareBasedPaymentArrangement" xlink:to="lab_tlx_NumberOfShareOptionsVestedInShareBasedPaymentArrangement" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossGoodwill_019b0124-061c-7b35-8116-f8fed577500d_terseLabel_en-US" xlink:label="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossGoodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Impairment recognized</link:label>
    <link:label id="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossGoodwill_label_en-US" xlink:label="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Impairment loss recognised in profit or loss, goodwill</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ImpairmentLossRecognisedInProfitOrLossGoodwill" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ImpairmentLossRecognisedInProfitOrLossGoodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ImpairmentLossRecognisedInProfitOrLossGoodwill" xlink:to="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossGoodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfIntangibleAssetsTable_019b0124-061c-70d4-8c78-cc27377e0ea6_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfIntangibleAssetsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about intangible assets [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfIntangibleAssetsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfIntangibleAssetsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about intangible assets [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfIntangibleAssetsTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfIntangibleAssetsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfIntangibleAssetsTable" xlink:to="lab_ifrs-full_DisclosureOfIntangibleAssetsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherReserves_019b0124-061c-73c7-8674-9f683bed950d_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherReserves" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other reserves</link:label>
    <link:label id="lab_ifrs-full_OtherReserves_019be0e2-8ac9-7388-a74f-5120586ccc24_verboseLabel_en-US" xlink:label="lab_ifrs-full_OtherReserves" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Other reserves</link:label>
    <link:label id="lab_ifrs-full_OtherReserves_label_en-US" xlink:label="lab_ifrs-full_OtherReserves" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other reserves</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherReserves" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherReserves"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherReserves" xlink:to="lab_ifrs-full_OtherReserves" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment_019b0124-061c-7bbf-a349-2a60b20b54bd_terseLabel_en-US" xlink:label="lab_ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-based payments</link:label>
    <link:label id="lab_ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment_label_en-US" xlink:label="lab_ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Key management personnel compensation, share-based payment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment" xlink:to="lab_ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Borrowings_019be93b-d0af-765a-a2ed-38ea91ddd6c3_totalLabel_en-US" xlink:label="lab_ifrs-full_Borrowings" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Loan balance</link:label>
    <link:label id="lab_ifrs-full_Borrowings_019c67bf-65ae-7230-b269-4a45dfdee009_periodStartLabel_en-US" xlink:label="lab_ifrs-full_Borrowings" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Opening balance</link:label>
    <link:label id="lab_ifrs-full_Borrowings_019c67bf-9b78-7494-9bd3-68aa791dfd02_periodEndLabel_en-US" xlink:label="lab_ifrs-full_Borrowings" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Closing balance</link:label>
    <link:label id="lab_ifrs-full_Borrowings_019b0124-073c-7837-926a-44e834ef6667_terseLabel_en-US" xlink:label="lab_ifrs-full_Borrowings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Carrying amount</link:label>
    <link:label id="lab_ifrs-full_Borrowings_019be602-c4fd-766d-9aa7-ab2fa63598d2_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_Borrowings" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Carrying amount</link:label>
    <link:label id="lab_ifrs-full_Borrowings_019be117-47bd-7411-99ae-7e048cbaac14_netLabel_en-US" xlink:label="lab_ifrs-full_Borrowings" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:type="resource" xml:lang="en-US">Borrowings, carrying amount</link:label>
    <link:label id="lab_ifrs-full_Borrowings_label_en-US" xlink:label="lab_ifrs-full_Borrowings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Borrowings" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Borrowings"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Borrowings" xlink:to="lab_ifrs-full_Borrowings" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityWellKnownSeasonedIssuer_019b0124-061c-78ee-84ca-fa65c5546992_terseLabel_en-US" xlink:label="lab_dei_EntityWellKnownSeasonedIssuer" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Well-known Seasoned Issuer</link:label>
    <link:label id="lab_dei_EntityWellKnownSeasonedIssuer_label_en-US" xlink:label="lab_dei_EntityWellKnownSeasonedIssuer" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Well-known Seasoned Issuer</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityWellKnownSeasonedIssuer" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityWellKnownSeasonedIssuer"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityWellKnownSeasonedIssuer" xlink:to="lab_dei_EntityWellKnownSeasonedIssuer" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_EarlyStageClinicalCandidatesMember_019b3a1b-6184-7795-b2a1-01f695b94c57_terseLabel_en-US" xlink:label="lab_tlx_EarlyStageClinicalCandidatesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Early stage clinical candidates</link:label>
    <link:label id="lab_tlx_EarlyStageClinicalCandidatesMember_label_en-US" xlink:label="lab_tlx_EarlyStageClinicalCandidatesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Early Stage Clinical Candidates [Member]</link:label>
    <link:label id="lab_tlx_EarlyStageClinicalCandidatesMember_documentation_en-US" xlink:label="lab_tlx_EarlyStageClinicalCandidatesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Early Stage Clinical Candidates</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_EarlyStageClinicalCandidatesMember" xlink:href="tlx-20251231.xsd#tlx_EarlyStageClinicalCandidatesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_EarlyStageClinicalCandidatesMember" xlink:to="lab_tlx_EarlyStageClinicalCandidatesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DepreciationAndAmortisationExpenseAbstract_019b0124-06b3-7461-a374-f9663c6b1396_terseLabel_en-US" xlink:label="lab_ifrs-full_DepreciationAndAmortisationExpenseAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Depreciation and amortisation expense [abstract]</link:label>
    <link:label id="lab_ifrs-full_DepreciationAndAmortisationExpenseAbstract_label_en-US" xlink:label="lab_ifrs-full_DepreciationAndAmortisationExpenseAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Depreciation and amortisation expense [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DepreciationAndAmortisationExpenseAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DepreciationAndAmortisationExpenseAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DepreciationAndAmortisationExpenseAbstract" xlink:to="lab_ifrs-full_DepreciationAndAmortisationExpenseAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ScheduleOfInventoriesCurrentTableTextBlock_019b0124-073c-738b-b132-c0b32c58c036_terseLabel_en-US" xlink:label="lab_tlx_ScheduleOfInventoriesCurrentTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Inventories</link:label>
    <link:label id="lab_tlx_ScheduleOfInventoriesCurrentTableTextBlock_label_en-US" xlink:label="lab_tlx_ScheduleOfInventoriesCurrentTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Inventories Current [Table Text Block]</link:label>
    <link:label id="lab_tlx_ScheduleOfInventoriesCurrentTableTextBlock_documentation_en-US" xlink:label="lab_tlx_ScheduleOfInventoriesCurrentTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of detailed information about inventories.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ScheduleOfInventoriesCurrentTableTextBlock" xlink:href="tlx-20251231.xsd#tlx_ScheduleOfInventoriesCurrentTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ScheduleOfInventoriesCurrentTableTextBlock" xlink:to="lab_tlx_ScheduleOfInventoriesCurrentTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_IncreaseThroughAdjustmentsArisingFromPassageOfTimeContingentConsideration_019be15e-00ab-7fc8-8d59-0c96a3611246_terseLabel_en-US" xlink:label="lab_tlx_IncreaseThroughAdjustmentsArisingFromPassageOfTimeContingentConsideration" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unwind of discount</link:label>
    <link:label id="lab_tlx_IncreaseThroughAdjustmentsArisingFromPassageOfTimeContingentConsideration_label_en-US" xlink:label="lab_tlx_IncreaseThroughAdjustmentsArisingFromPassageOfTimeContingentConsideration" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase Through Adjustments Arising From Passage Of Time, Contingent Consideration</link:label>
    <link:label id="lab_tlx_IncreaseThroughAdjustmentsArisingFromPassageOfTimeContingentConsideration_documentation_en-US" xlink:label="lab_tlx_IncreaseThroughAdjustmentsArisingFromPassageOfTimeContingentConsideration" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase Through Adjustments Arising From Passage Of Time, Contingent Consideration</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_IncreaseThroughAdjustmentsArisingFromPassageOfTimeContingentConsideration" xlink:href="tlx-20251231.xsd#tlx_IncreaseThroughAdjustmentsArisingFromPassageOfTimeContingentConsideration"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_IncreaseThroughAdjustmentsArisingFromPassageOfTimeContingentConsideration" xlink:to="lab_tlx_IncreaseThroughAdjustmentsArisingFromPassageOfTimeContingentConsideration" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_GrantDateOctober242025Member_019c12d2-928b-707a-ba6e-f166a183c577_terseLabel_en-US" xlink:label="lab_tlx_GrantDateOctober242025Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Grant Date October 24, 2025</link:label>
    <link:label id="lab_tlx_GrantDateOctober242025Member_label_en-US" xlink:label="lab_tlx_GrantDateOctober242025Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Grant Date October 24, 2025 [Member]</link:label>
    <link:label id="lab_tlx_GrantDateOctober242025Member_documentation_en-US" xlink:label="lab_tlx_GrantDateOctober242025Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Grant Date October 24, 2025</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_GrantDateOctober242025Member" xlink:href="tlx-20251231.xsd#tlx_GrantDateOctober242025Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_GrantDateOctober242025Member" xlink:to="lab_tlx_GrantDateOctober242025Member" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_GrantDateSeptember192024Member_019bea5b-ec03-7f69-ae41-0c622a9b4a36_terseLabel_en-US" xlink:label="lab_tlx_GrantDateSeptember192024Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Grant date September 19, 2024</link:label>
    <link:label id="lab_tlx_GrantDateSeptember192024Member_label_en-US" xlink:label="lab_tlx_GrantDateSeptember192024Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Grant Date September 19, 2024 [Member]</link:label>
    <link:label id="lab_tlx_GrantDateSeptember192024Member_documentation_en-US" xlink:label="lab_tlx_GrantDateSeptember192024Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Grant Date September 19, 2024</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_GrantDateSeptember192024Member" xlink:href="tlx-20251231.xsd#tlx_GrantDateSeptember192024Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_GrantDateSeptember192024Member" xlink:to="lab_tlx_GrantDateSeptember192024Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesLineItems_019b0124-073c-7838-8a58-a37625c5873e_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of information for cash-generating units [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of information for cash-generating units [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesLineItems"/>
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    <link:label id="lab_tlx_TherapeiaVerwaltungsGmbHMember_019b0124-06b3-7270-8707-048e0a1706cc_terseLabel_en-US" xlink:label="lab_tlx_TherapeiaVerwaltungsGmbHMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Therapeia Verwaltungs-GmbH</link:label>
    <link:label id="lab_tlx_TherapeiaVerwaltungsGmbHMember_label_en-US" xlink:label="lab_tlx_TherapeiaVerwaltungsGmbHMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Therapeia Verwaltungs-GmbH [Member]</link:label>
    <link:label id="lab_tlx_TherapeiaVerwaltungsGmbHMember_documentation_en-US" xlink:label="lab_tlx_TherapeiaVerwaltungsGmbHMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The name of the entity which is controlled by another entity.</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_TherapeiaVerwaltungsGmbHMember" xlink:to="lab_tlx_TherapeiaVerwaltungsGmbHMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_IncreaseDecreaseInTransactionCostsArisingOnNewShareIssues_019b0124-06b4-7623-882c-4b463702dc99_terseLabel_en-US" xlink:label="lab_tlx_IncreaseDecreaseInTransactionCostsArisingOnNewShareIssues" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transaction costs arising on new share issues</link:label>
    <link:label id="lab_tlx_IncreaseDecreaseInTransactionCostsArisingOnNewShareIssues_label_en-US" xlink:label="lab_tlx_IncreaseDecreaseInTransactionCostsArisingOnNewShareIssues" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) In Transaction Costs Arising On New Share Issues</link:label>
    <link:label id="lab_tlx_IncreaseDecreaseInTransactionCostsArisingOnNewShareIssues_documentation_en-US" xlink:label="lab_tlx_IncreaseDecreaseInTransactionCostsArisingOnNewShareIssues" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase (decrease) in equity resulting from the transaction costs arising on new share issues.</link:label>
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    <link:label id="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities_019b0124-061c-7303-9bdd-62ab6ccbc188_totalLabel_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net cash (used in)/provided by financing activities</link:label>
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    <link:label id="lab_tlx_InvestmentInSubLeaseRecognizedAsOfAcquisitionDate_019b441f-ebee-7c10-b673-9a126eb1a990_terseLabel_en-US" xlink:label="lab_tlx_InvestmentInSubLeaseRecognizedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investment in sub-lease</link:label>
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    <link:label id="lab_tlx_InvestmentInSubLeaseRecognizedAsOfAcquisitionDate_documentation_en-US" xlink:label="lab_tlx_InvestmentInSubLeaseRecognizedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Investment In Sub-Lease Recognized As Of Acquisition Date</link:label>
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    <link:label id="lab_tlx_FirstInstallmentOfNonReimbursableGovernmentGrantReceived_019b0124-061c-7905-bd20-44c8c7c932c2_terseLabel_en-US" xlink:label="lab_tlx_FirstInstallmentOfNonReimbursableGovernmentGrantReceived" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">First installment of non reimbursable government grant received</link:label>
    <link:label id="lab_tlx_FirstInstallmentOfNonReimbursableGovernmentGrantReceived_label_en-US" xlink:label="lab_tlx_FirstInstallmentOfNonReimbursableGovernmentGrantReceived" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">First installment of non reimbursable government grant received</link:label>
    <link:label id="lab_tlx_FirstInstallmentOfNonReimbursableGovernmentGrantReceived_documentation_en-US" xlink:label="lab_tlx_FirstInstallmentOfNonReimbursableGovernmentGrantReceived" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of first installment of non reimbursable government grant received.</link:label>
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    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForEarningsPerShareExplanatory_019b0124-061c-7a11-9d97-18489d6a8071_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForEarningsPerShareExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Earnings per share</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForEarningsPerShareExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForEarningsPerShareExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for earnings per share [text block]</link:label>
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    <link:label id="lab_tlx_IncreaseDecreaseInTransactionCostsArisingOnNewShareIssued_019b0124-055d-764d-9a16-9945aae0717d_terseLabel_en-US" xlink:label="lab_tlx_IncreaseDecreaseInTransactionCostsArisingOnNewShareIssued" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transaction costs arising on new share issues (in shares)</link:label>
    <link:label id="lab_tlx_IncreaseDecreaseInTransactionCostsArisingOnNewShareIssued_label_en-US" xlink:label="lab_tlx_IncreaseDecreaseInTransactionCostsArisingOnNewShareIssued" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) In Transaction Costs Arising On New Share Issued</link:label>
    <link:label id="lab_tlx_IncreaseDecreaseInTransactionCostsArisingOnNewShareIssued_documentation_en-US" xlink:label="lab_tlx_IncreaseDecreaseInTransactionCostsArisingOnNewShareIssued" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of shares increase (decrease) in transaction costs arising on new share issues.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_IncreaseDecreaseInTransactionCostsArisingOnNewShareIssued" xlink:href="tlx-20251231.xsd#tlx_IncreaseDecreaseInTransactionCostsArisingOnNewShareIssued"/>
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    <link:label id="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsExplanatory_019b0124-061c-7dae-a8cc-b8296ca5b373_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Currency Risk Exposure</link:label>
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    <link:label id="lab_dei_EntityCurrentReportingStatus_019b0124-061c-76db-8859-f5d2a6c19ab9_terseLabel_en-US" xlink:label="lab_dei_EntityCurrentReportingStatus" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Current Reporting Status</link:label>
    <link:label id="lab_dei_EntityCurrentReportingStatus_label_en-US" xlink:label="lab_dei_EntityCurrentReportingStatus" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Current Reporting Status</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCurrentReportingStatus" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityCurrentReportingStatus"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCurrentReportingStatus" xlink:to="lab_dei_EntityCurrentReportingStatus" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_TaxEffectOfNetRDTaxIncentiveCredit_019bfcab-227f-7fa7-9b0d-2e5c21be5b60_negatedLabel_en-US" xlink:label="lab_tlx_TaxEffectOfNetRDTaxIncentiveCredit" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Net R&amp;D tax incentive credit</link:label>
    <link:label id="lab_tlx_TaxEffectOfNetRDTaxIncentiveCredit_label_en-US" xlink:label="lab_tlx_TaxEffectOfNetRDTaxIncentiveCredit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax Effect Of Net R&amp;D Tax Incentive Credit</link:label>
    <link:label id="lab_tlx_TaxEffectOfNetRDTaxIncentiveCredit_documentation_en-US" xlink:label="lab_tlx_TaxEffectOfNetRDTaxIncentiveCredit" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount that represents the difference between the tax expense (income) and the product of the accounting profit multiplied by the applicable tax rate(s) that relates to R&amp;D tax incentive credit.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_TaxEffectOfNetRDTaxIncentiveCredit" xlink:href="tlx-20251231.xsd#tlx_TaxEffectOfNetRDTaxIncentiveCredit"/>
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    <link:label id="lab_ifrs-full_DisclosureOfDeferredTaxesExplanatory_019b0124-073c-7478-9ec6-88dde11da42f_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDeferredTaxesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred tax assets and liabilities</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDeferredTaxesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDeferredTaxesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of deferred taxes [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDeferredTaxesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDeferredTaxesExplanatory"/>
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    <link:label id="lab_ifrs-full_StatementOfChangesInEquityTable_019b0124-073c-7956-b5d6-08157d78e172_terseLabel_en-US" xlink:label="lab_ifrs-full_StatementOfChangesInEquityTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement of changes in equity [table]</link:label>
    <link:label id="lab_ifrs-full_StatementOfChangesInEquityTable_label_en-US" xlink:label="lab_ifrs-full_StatementOfChangesInEquityTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of changes in equity [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_StatementOfChangesInEquityTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_StatementOfChangesInEquityTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_StatementOfChangesInEquityTable" xlink:to="lab_ifrs-full_StatementOfChangesInEquityTable" xlink:type="arc" order="1"/>
    <link:label id="lab_country_JP_019be0fd-cad6-704d-8182-3015482f1f13_terseLabel_en-US" xlink:label="lab_country_JP" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Japan</link:label>
    <link:label id="lab_country_JP_label_en-US" xlink:label="lab_country_JP" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">JAPAN</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_country_JP" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_JP"/>
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    <link:label id="lab_tlx_ChangeInKeyAssumptionDomain_019c21d0-a596-7092-a3c3-a69ee2f1c532_terseLabel_en-US" xlink:label="lab_tlx_ChangeInKeyAssumptionDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Change In Key Assumption [Domain]</link:label>
    <link:label id="lab_tlx_ChangeInKeyAssumptionDomain_label_en-US" xlink:label="lab_tlx_ChangeInKeyAssumptionDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Change In Key Assumption [Domain]</link:label>
    <link:label id="lab_tlx_ChangeInKeyAssumptionDomain_documentation_en-US" xlink:label="lab_tlx_ChangeInKeyAssumptionDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Change In Key Assumption [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ChangeInKeyAssumptionDomain" xlink:href="tlx-20251231.xsd#tlx_ChangeInKeyAssumptionDomain"/>
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    <link:label id="lab_ifrs-full_DisclosureOfClassesOfShareCapitalAbstract_019b0124-06b4-7cea-ae6f-df588d964b4c_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfClassesOfShareCapitalAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of classes of share capital [abstract]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfClassesOfShareCapitalAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfClassesOfShareCapitalAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of classes of share capital [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfClassesOfShareCapitalAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfClassesOfShareCapitalAbstract"/>
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    <link:label id="lab_tlx_TherapeuticsMember_019b0124-06b3-7189-9424-03d0bf2bfbcf_terseLabel_en-US" xlink:label="lab_tlx_TherapeuticsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Therapeutics</link:label>
    <link:label id="lab_tlx_TherapeuticsMember_label_en-US" xlink:label="lab_tlx_TherapeuticsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Therapeutics [Member]</link:label>
    <link:label id="lab_tlx_TherapeuticsMember_documentation_en-US" xlink:label="lab_tlx_TherapeuticsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for a medical segment which deals of medicine concerned with the treatment of disease and the action of remedial agents. The Therapeutics segment focuses on the development of company core therapeutic pipeline for commercialization. This segment includes revenue received from license agreements prior to commercialization and research and development services. This segment includes the development activities of the Group's pivotal therapeutic pipeline.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_TherapeuticsMember" xlink:href="tlx-20251231.xsd#tlx_TherapeuticsMember"/>
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    <link:label id="lab_tlx_InterSegmentRevenue_019b39e6-7353-7b34-affd-f60f533ea1e3_terseLabel_en-US" xlink:label="lab_tlx_InterSegmentRevenue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Inter-segment revenue</link:label>
    <link:label id="lab_tlx_InterSegmentRevenue_label_en-US" xlink:label="lab_tlx_InterSegmentRevenue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Inter Segment Revenue</link:label>
    <link:label id="lab_tlx_InterSegmentRevenue_documentation_en-US" xlink:label="lab_tlx_InterSegmentRevenue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Inter Segment Revenue</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_InterSegmentRevenue" xlink:href="tlx-20251231.xsd#tlx_InterSegmentRevenue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_InterSegmentRevenue" xlink:to="lab_tlx_InterSegmentRevenue" xlink:type="arc" order="1"/>
    <link:label id="lab_currency_CAD_019b0124-06b3-71fb-9b1d-c5833d01bef0_terseLabel_en-US" xlink:label="lab_currency_CAD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">CAD</link:label>
    <link:label id="lab_currency_CAD_label_en-US" xlink:label="lab_currency_CAD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Canada, Dollars</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_currency_CAD" xlink:href="https://xbrl.sec.gov/currency/2025/currency-2025.xsd#currency_CAD"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_currency_CAD" xlink:to="lab_currency_CAD" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_TLX66TxMember_019b0124-061c-7d89-a536-154cc693d533_terseLabel_en-US" xlink:label="lab_tlx_TLX66TxMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">TLX66</link:label>
    <link:label id="lab_tlx_TLX66TxMember_label_en-US" xlink:label="lab_tlx_TLX66TxMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">TLX66-Tx [Member]</link:label>
    <link:label id="lab_tlx_TLX66TxMember_documentation_en-US" xlink:label="lab_tlx_TLX66TxMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for a product or business unit.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_TLX66TxMember" xlink:href="tlx-20251231.xsd#tlx_TLX66TxMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_TLX66TxMember" xlink:to="lab_tlx_TLX66TxMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CostOfSales_019b0124-06b4-789d-9987-06c899adc26f_negatedLabel_en-US" xlink:label="lab_ifrs-full_CostOfSales" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Cost of sales</link:label>
    <link:label id="lab_ifrs-full_CostOfSales_019be0c3-8659-725a-9a73-8649dcc5daad_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_CostOfSales" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Cost of sales</link:label>
    <link:label id="lab_ifrs-full_CostOfSales_label_en-US" xlink:label="lab_ifrs-full_CostOfSales" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cost of sales</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CostOfSales" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CostOfSales"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CostOfSales" xlink:to="lab_ifrs-full_CostOfSales" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfAssetsDomain_019b0124-061c-74e3-8f95-880faf13b992_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfAssetsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of assets [domain]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfAssetsDomain_label_en-US" xlink:label="lab_ifrs-full_ClassesOfAssetsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of assets [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfAssetsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfAssetsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfAssetsDomain" xlink:to="lab_ifrs-full_ClassesOfAssetsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_CurrentFiscalYearEndDate_019b0124-061c-75b1-b119-224c68925ab7_terseLabel_en-US" xlink:label="lab_dei_CurrentFiscalYearEndDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current Fiscal Year End Date</link:label>
    <link:label id="lab_dei_CurrentFiscalYearEndDate_label_en-US" xlink:label="lab_dei_CurrentFiscalYearEndDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current Fiscal Year End Date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CurrentFiscalYearEndDate" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CurrentFiscalYearEndDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_CurrentFiscalYearEndDate" xlink:to="lab_dei_CurrentFiscalYearEndDate" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BottomOfRangeMember_019b0124-061c-7c14-88c9-160490513939_terseLabel_en-US" xlink:label="lab_ifrs-full_BottomOfRangeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bottom of range</link:label>
    <link:label id="lab_ifrs-full_BottomOfRangeMember_label_en-US" xlink:label="lab_ifrs-full_BottomOfRangeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bottom of range [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BottomOfRangeMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BottomOfRangeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BottomOfRangeMember" xlink:to="lab_ifrs-full_BottomOfRangeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LaterThanFourMonthsMember_019b0124-061c-79dd-817a-ba05d63c97c0_terseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanFourMonthsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">120 days</link:label>
    <link:label id="lab_ifrs-full_LaterThanFourMonthsMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanFourMonthsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Later than four months [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanFourMonthsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LaterThanFourMonthsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanFourMonthsMember" xlink:to="lab_ifrs-full_LaterThanFourMonthsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_FairValueAdjustmentBrandName_019b0124-061c-7b64-83e7-b0fa9f676cfa_terseLabel_en-US" xlink:label="lab_tlx_FairValueAdjustmentBrandName" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Brand name</link:label>
    <link:label id="lab_tlx_FairValueAdjustmentBrandName_label_en-US" xlink:label="lab_tlx_FairValueAdjustmentBrandName" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Adjustment, Brand Name</link:label>
    <link:label id="lab_tlx_FairValueAdjustmentBrandName_documentation_en-US" xlink:label="lab_tlx_FairValueAdjustmentBrandName" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of increase (decrease) in brand names for fair value adjustment in a business combination.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_FairValueAdjustmentBrandName" xlink:href="tlx-20251231.xsd#tlx_FairValueAdjustmentBrandName"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_FairValueAdjustmentBrandName" xlink:to="lab_tlx_FairValueAdjustmentBrandName" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_InventoryNetMember_019b0124-061c-7b88-a30e-bea56915266c_terseLabel_en-US" xlink:label="lab_tlx_InventoryNetMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Inventories</link:label>
    <link:label id="lab_tlx_InventoryNetMember_label_en-US" xlink:label="lab_tlx_InventoryNetMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Inventory, Net [Member]</link:label>
    <link:label id="lab_tlx_InventoryNetMember_documentation_en-US" xlink:label="lab_tlx_InventoryNetMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for inventory.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_InventoryNetMember" xlink:href="tlx-20251231.xsd#tlx_InventoryNetMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_InventoryNetMember" xlink:to="lab_tlx_InventoryNetMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CategoriesOfRelatedPartiesAxis_019b44a7-22f3-7cb0-9ee6-5f7f752ec357_terseLabel_en-US" xlink:label="lab_ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Categories of related parties [axis]</link:label>
    <link:label id="lab_ifrs-full_CategoriesOfRelatedPartiesAxis_label_en-US" xlink:label="lab_ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Categories of related parties [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CategoriesOfRelatedPartiesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:to="lab_ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems_019b0124-061c-7e36-8583-6710581ff780_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about borrowings [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about borrowings [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:to="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAbstract_019b0124-06b4-7d4b-964e-6991edb0d072_terseLabel_en-US" xlink:label="lab_ifrs-full_ReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reconciliation of accounting profit multiplied by applicable tax rates [abstract]</link:label>
    <link:label id="lab_ifrs-full_ReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAbstract_label_en-US" xlink:label="lab_ifrs-full_ReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reconciliation of accounting profit multiplied by applicable tax rates [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAbstract" xlink:to="lab_ifrs-full_ReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_PreClinicalResearchAndInnovationMember_019b0124-061c-7f5b-9b46-6f48e92e80b7_terseLabel_en-US" xlink:label="lab_tlx_PreClinicalResearchAndInnovationMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Pre-clinical research and innovation</link:label>
    <link:label id="lab_tlx_PreClinicalResearchAndInnovationMember_label_en-US" xlink:label="lab_tlx_PreClinicalResearchAndInnovationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Pre-Clinical Research And Innovation [Member]</link:label>
    <link:label id="lab_tlx_PreClinicalResearchAndInnovationMember_documentation_en-US" xlink:label="lab_tlx_PreClinicalResearchAndInnovationMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for clinical products used for therapeutic and diagnostic applications.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_PreClinicalResearchAndInnovationMember" xlink:href="tlx-20251231.xsd#tlx_PreClinicalResearchAndInnovationMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_PreClinicalResearchAndInnovationMember" xlink:to="lab_tlx_PreClinicalResearchAndInnovationMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ARTMSIncMember_019b0124-061c-7147-b0cf-17abbfcafa2f_terseLabel_en-US" xlink:label="lab_tlx_ARTMSIncMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">ARTMS</link:label>
    <link:label id="lab_tlx_ARTMSIncMember_label_en-US" xlink:label="lab_tlx_ARTMSIncMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ARTMS Inc [Member]</link:label>
    <link:label id="lab_tlx_ARTMSIncMember_documentation_en-US" xlink:label="lab_tlx_ARTMSIncMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for a business combination.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ARTMSIncMember" xlink:href="tlx-20251231.xsd#tlx_ARTMSIncMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ARTMSIncMember" xlink:to="lab_tlx_ARTMSIncMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProfitLoss_019b0124-06b4-7641-923b-9f0fdad14105_totalLabel_en-US" xlink:label="lab_ifrs-full_ProfitLoss" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">(Loss)/profit for the year</link:label>
    <link:label id="lab_ifrs-full_ProfitLoss_019b0124-06b4-7c3d-990e-35dffa0a5046_terseLabel_en-US" xlink:label="lab_ifrs-full_ProfitLoss" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">(Loss) profit for the year</link:label>
    <link:label id="lab_ifrs-full_ProfitLoss_019b4597-3680-74e1-a641-386cd022e0f3_netLabel_en-US" xlink:label="lab_ifrs-full_ProfitLoss" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:type="resource" xml:lang="en-US">(Loss)/profit from continuing operations after income tax</link:label>
    <link:label id="lab_ifrs-full_ProfitLoss_label_en-US" xlink:label="lab_ifrs-full_ProfitLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Profit (loss)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLoss" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfitLoss" xlink:to="lab_ifrs-full_ProfitLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialAssets_019b0124-073c-7125-a9f8-ba5573becfa9_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial assets</link:label>
    <link:label id="lab_ifrs-full_FinancialAssets_019bfd73-7254-7086-8ce3-47239cbd424b_negatedLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssets" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Financial assets</link:label>
    <link:label id="lab_ifrs-full_FinancialAssets_label_en-US" xlink:label="lab_ifrs-full_FinancialAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialAssets" xlink:to="lab_ifrs-full_FinancialAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019_019b0124-055d-7006-ac39-151d08de1d54_terseLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Granted during the year (in AUD/USD per share)</link:label>
    <link:label id="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019_label_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted average exercise price of share options granted in share-based payment arrangement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019" xlink:to="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentLiabilities_019b0124-061c-73de-ba7c-c0c2311eef7c_totalLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total non-current liabilities</link:label>
    <link:label id="lab_ifrs-full_NoncurrentLiabilities_019be0e1-ab43-739e-8de0-ce93c0bcb081_verboseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Non-current liabilities</link:label>
    <link:label id="lab_ifrs-full_NoncurrentLiabilities_019b0124-061c-7046-a991-73786cc0b0a0_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total non-current liabilities</link:label>
    <link:label id="lab_ifrs-full_NoncurrentLiabilities_label_en-US" xlink:label="lab_ifrs-full_NoncurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-current liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentLiabilities" xlink:to="lab_ifrs-full_NoncurrentLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PropertyPlantAndEquipmentRecognisedAsOfAcquisitionDate_019b0124-061c-7173-827a-ffeb0dc2d816_terseLabel_en-US" xlink:label="lab_ifrs-full_PropertyPlantAndEquipmentRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, plant and equipment</link:label>
    <link:label id="lab_ifrs-full_PropertyPlantAndEquipmentRecognisedAsOfAcquisitionDate_label_en-US" xlink:label="lab_ifrs-full_PropertyPlantAndEquipmentRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, plant and equipment recognised as of acquisition date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PropertyPlantAndEquipmentRecognisedAsOfAcquisitionDate" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PropertyPlantAndEquipmentRecognisedAsOfAcquisitionDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PropertyPlantAndEquipmentRecognisedAsOfAcquisitionDate" xlink:to="lab_ifrs-full_PropertyPlantAndEquipmentRecognisedAsOfAcquisitionDate" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfAmountsIncurredByEntityForProvisionOfKeyManagementPersonnelServicesProvidedBySeparateManagementEntitiesLineItems_019b0124-061c-72c3-9028-8fb2f671574b_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfAmountsIncurredByEntityForProvisionOfKeyManagementPersonnelServicesProvidedBySeparateManagementEntitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of amounts incurred by entity for provision of key management personnel services provided by separate management entities [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfAmountsIncurredByEntityForProvisionOfKeyManagementPersonnelServicesProvidedBySeparateManagementEntitiesLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfAmountsIncurredByEntityForProvisionOfKeyManagementPersonnelServicesProvidedBySeparateManagementEntitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of amounts incurred by entity for provision of key management personnel services provided by separate management entities [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfAmountsIncurredByEntityForProvisionOfKeyManagementPersonnelServicesProvidedBySeparateManagementEntitiesLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfAmountsIncurredByEntityForProvisionOfKeyManagementPersonnelServicesProvidedBySeparateManagementEntitiesLineItems"/>
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    <link:label id="lab_tlx_NumberOfPerformanceRightGrantedInShareBasedPaymentArrangement_019b0124-073c-738d-a389-7815091ed633_terseLabel_en-US" xlink:label="lab_tlx_NumberOfPerformanceRightGrantedInShareBasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Performance Rights issued (in shares)</link:label>
    <link:label id="lab_tlx_NumberOfPerformanceRightGrantedInShareBasedPaymentArrangement_label_en-US" xlink:label="lab_tlx_NumberOfPerformanceRightGrantedInShareBasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Performance Right Granted In Share-Based Payment Arrangement</link:label>
    <link:label id="lab_tlx_NumberOfPerformanceRightGrantedInShareBasedPaymentArrangement_documentation_en-US" xlink:label="lab_tlx_NumberOfPerformanceRightGrantedInShareBasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of performance right granted in share-based payment arrangement.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_NumberOfPerformanceRightGrantedInShareBasedPaymentArrangement" xlink:href="tlx-20251231.xsd#tlx_NumberOfPerformanceRightGrantedInShareBasedPaymentArrangement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_NumberOfPerformanceRightGrantedInShareBasedPaymentArrangement" xlink:to="lab_tlx_NumberOfPerformanceRightGrantedInShareBasedPaymentArrangement" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentRegistrationStatement_019b0124-061c-7bca-b31f-b7d4233e9856_terseLabel_en-US" xlink:label="lab_dei_DocumentRegistrationStatement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Registration Statement</link:label>
    <link:label id="lab_dei_DocumentRegistrationStatement_label_en-US" xlink:label="lab_dei_DocumentRegistrationStatement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Registration Statement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentRegistrationStatement" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentRegistrationStatement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentRegistrationStatement" xlink:to="lab_dei_DocumentRegistrationStatement" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfContingentLiabilitiesExplanatory_019b0124-061c-7421-aaea-f88d1565b09c_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfContingentLiabilitiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contingent liabilities</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfContingentLiabilitiesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfContingentLiabilitiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of contingent liabilities [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfContingentLiabilitiesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfContingentLiabilitiesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfContingentLiabilitiesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfContingentLiabilitiesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory_019b0124-061c-774c-a05e-8fc0272e00bd_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segment reporting</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of entity's operating segments [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DepreciationRightofuseAssets_019b0124-06b4-79d9-a3f4-412c058db2e7_negatedLabel_en-US" xlink:label="lab_ifrs-full_DepreciationRightofuseAssets" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Depreciation charge</link:label>
    <link:label id="lab_ifrs-full_DepreciationRightofuseAssets_019b0124-06b4-783a-b0cb-56a7e4342542_terseLabel_en-US" xlink:label="lab_ifrs-full_DepreciationRightofuseAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Depreciation charge on right-of-use assets</link:label>
    <link:label id="lab_ifrs-full_DepreciationRightofuseAssets_label_en-US" xlink:label="lab_ifrs-full_DepreciationRightofuseAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Depreciation, right-of-use assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DepreciationRightofuseAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DepreciationRightofuseAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DepreciationRightofuseAssets" xlink:to="lab_ifrs-full_DepreciationRightofuseAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_GrantDateMarch172025Member_019c12d3-513c-7e08-996f-8335c00599e2_terseLabel_en-US" xlink:label="lab_tlx_GrantDateMarch172025Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Grant Date March 17, 2025</link:label>
    <link:label id="lab_tlx_GrantDateMarch172025Member_label_en-US" xlink:label="lab_tlx_GrantDateMarch172025Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Grant Date March 17, 2025 [Member]</link:label>
    <link:label id="lab_tlx_GrantDateMarch172025Member_documentation_en-US" xlink:label="lab_tlx_GrantDateMarch172025Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Grant Date March 17, 2025</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_GrantDateMarch172025Member" xlink:href="tlx-20251231.xsd#tlx_GrantDateMarch172025Member"/>
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    <link:label id="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsDomain_019b0124-061c-703c-84de-59be1960ff05_terseLabel_en-US" xlink:label="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Temporary difference, unused tax losses and unused tax credits [domain]</link:label>
    <link:label id="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsDomain_label_en-US" xlink:label="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Temporary difference, unused tax losses and unused tax credits [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsDomain" xlink:to="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CapitalCommitments_019b0124-06b4-72ef-ae04-f999b6a72190_totalLabel_en-US" xlink:label="lab_ifrs-full_CapitalCommitments" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Capital commitments</link:label>
    <link:label id="lab_ifrs-full_CapitalCommitments_label_en-US" xlink:label="lab_ifrs-full_CapitalCommitments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital commitments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CapitalCommitments" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CapitalCommitments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CapitalCommitments" xlink:to="lab_ifrs-full_CapitalCommitments" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_TrancheOneMember_019bfd5e-1bae-7bf8-88c4-0aad62346b38_terseLabel_en-US" xlink:label="lab_tlx_TrancheOneMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tranche one</link:label>
    <link:label id="lab_tlx_TrancheOneMember_label_en-US" xlink:label="lab_tlx_TrancheOneMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tranche One [Member]</link:label>
    <link:label id="lab_tlx_TrancheOneMember_documentation_en-US" xlink:label="lab_tlx_TrancheOneMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tranche One</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_TrancheOneMember" xlink:href="tlx-20251231.xsd#tlx_TrancheOneMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_TrancheOneMember" xlink:to="lab_tlx_TrancheOneMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AccumulatedDepreciationAndAmortisationMember_019b0124-061c-7467-a1f2-b921dca7e1bd_terseLabel_en-US" xlink:label="lab_ifrs-full_AccumulatedDepreciationAndAmortisationMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accumulated depreciation</link:label>
    <link:label id="lab_ifrs-full_AccumulatedDepreciationAndAmortisationMember_label_en-US" xlink:label="lab_ifrs-full_AccumulatedDepreciationAndAmortisationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accumulated depreciation and amortisation [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AccumulatedDepreciationAndAmortisationMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AccumulatedDepreciationAndAmortisationMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AccumulatedDepreciationAndAmortisationMember" xlink:to="lab_ifrs-full_AccumulatedDepreciationAndAmortisationMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RetainedEarningsMember_019b0124-06b4-7ed9-abe2-9441624ff443_terseLabel_en-US" xlink:label="lab_ifrs-full_RetainedEarningsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accumulated losses</link:label>
    <link:label id="lab_ifrs-full_RetainedEarningsMember_label_en-US" xlink:label="lab_ifrs-full_RetainedEarningsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Retained earnings [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RetainedEarningsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RetainedEarningsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RetainedEarningsMember" xlink:to="lab_ifrs-full_RetainedEarningsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_IncreaseDecreaseThroughTransactionCostsArisingOnConvertibleBondsIssue_019b0124-061c-7097-b6d1-ef71ef7df15d_terseLabel_en-US" xlink:label="lab_tlx_IncreaseDecreaseThroughTransactionCostsArisingOnConvertibleBondsIssue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transaction costs arising on convertible bonds issue</link:label>
    <link:label id="lab_tlx_IncreaseDecreaseThroughTransactionCostsArisingOnConvertibleBondsIssue_label_en-US" xlink:label="lab_tlx_IncreaseDecreaseThroughTransactionCostsArisingOnConvertibleBondsIssue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Transaction Costs Arising On Convertible Bonds Issue</link:label>
    <link:label id="lab_tlx_IncreaseDecreaseThroughTransactionCostsArisingOnConvertibleBondsIssue_documentation_en-US" xlink:label="lab_tlx_IncreaseDecreaseThroughTransactionCostsArisingOnConvertibleBondsIssue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase (decrease) in equity resulting from the transaction costs arising on Convertible Bonds Issue.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_IncreaseDecreaseThroughTransactionCostsArisingOnConvertibleBondsIssue" xlink:href="tlx-20251231.xsd#tlx_IncreaseDecreaseThroughTransactionCostsArisingOnConvertibleBondsIssue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_IncreaseDecreaseThroughTransactionCostsArisingOnConvertibleBondsIssue" xlink:to="lab_tlx_IncreaseDecreaseThroughTransactionCostsArisingOnConvertibleBondsIssue" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BorrowingsAbstract_019b0124-061c-79e6-bc39-51a4faaf8127_terseLabel_en-US" xlink:label="lab_ifrs-full_BorrowingsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowings [abstract]</link:label>
    <link:label id="lab_ifrs-full_BorrowingsAbstract_label_en-US" xlink:label="lab_ifrs-full_BorrowingsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BorrowingsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BorrowingsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BorrowingsAbstract" xlink:to="lab_ifrs-full_BorrowingsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputLiabilities_019be990-55f6-7859-84bb-dd4b3acf8641_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Increase (decrease) in fair value measurement due to reasonably possible decrease in unobservable input, liabilities</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputLiabilities_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) in fair value measurement due to reasonably possible decrease in unobservable input, liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputLiabilities" xlink:to="lab_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AnalysisOfIncomeAndExpenseAbstract_label_en-US" xlink:label="lab_ifrs-full_AnalysisOfIncomeAndExpenseAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Analysis of income and expense [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AnalysisOfIncomeAndExpenseAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AnalysisOfIncomeAndExpenseAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AnalysisOfIncomeAndExpenseAbstract" xlink:to="lab_ifrs-full_AnalysisOfIncomeAndExpenseAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_PercentageOfCashHeldInForeignCurrency_019b0124-073c-7c25-bb7e-acf343a8b92f_terseLabel_en-US" xlink:label="lab_tlx_PercentageOfCashHeldInForeignCurrency" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of cash in foreign currency</link:label>
    <link:label id="lab_tlx_PercentageOfCashHeldInForeignCurrency_label_en-US" xlink:label="lab_tlx_PercentageOfCashHeldInForeignCurrency" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Of Cash Held In Foreign Currency</link:label>
    <link:label id="lab_tlx_PercentageOfCashHeldInForeignCurrency_documentation_en-US" xlink:label="lab_tlx_PercentageOfCashHeldInForeignCurrency" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The percentage of cash held in foreign currency.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_PercentageOfCashHeldInForeignCurrency" xlink:href="tlx-20251231.xsd#tlx_PercentageOfCashHeldInForeignCurrency"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_PercentageOfCashHeldInForeignCurrency" xlink:to="lab_tlx_PercentageOfCashHeldInForeignCurrency" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognised_019b0124-06b4-7fa6-8762-388109b29936_terseLabel_en-US" xlink:label="lab_ifrs-full_DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognised" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total unrecognized deferred tax assets</link:label>
    <link:label id="lab_ifrs-full_DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognised_label_en-US" xlink:label="lab_ifrs-full_DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognised" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deductible temporary differences for which no deferred tax asset is recognised</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognised" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognised"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognised" xlink:to="lab_ifrs-full_DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognised" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesAbstract_019b0124-06b4-7f32-82de-9750807dc8f7_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reconciliation of liabilities arising from financing activities [Abstract]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of reconciliation of liabilities arising from financing activities [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesAbstract" xlink:to="lab_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_GrantDateMay2220241Member_019bea58-ec6c-719d-8aa0-63b32ad2d842_terseLabel_en-US" xlink:label="lab_tlx_GrantDateMay2220241Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Grant date May 22, 2024</link:label>
    <link:label id="lab_tlx_GrantDateMay2220241Member_label_en-US" xlink:label="lab_tlx_GrantDateMay2220241Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Grant Date May 22, 2024 1 [Member]</link:label>
    <link:label id="lab_tlx_GrantDateMay2220241Member_documentation_en-US" xlink:label="lab_tlx_GrantDateMay2220241Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Grant Date May 22, 2024 1</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_GrantDateMay2220241Member" xlink:href="tlx-20251231.xsd#tlx_GrantDateMay2220241Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_GrantDateMay2220241Member" xlink:to="lab_tlx_GrantDateMay2220241Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DepreciationAndAmortisationExpense_019b0124-06b3-7f67-acb0-6f232c9a946d_terseLabel_en-US" xlink:label="lab_ifrs-full_DepreciationAndAmortisationExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Depreciation and amortization</link:label>
    <link:label id="lab_ifrs-full_DepreciationAndAmortisationExpense_019be8d9-69d8-76d3-b555-6e7f6309e29e_negatedLabel_en-US" xlink:label="lab_ifrs-full_DepreciationAndAmortisationExpense" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Depreciation and amortization</link:label>
    <link:label id="lab_ifrs-full_DepreciationAndAmortisationExpense_019b0124-06b3-7801-9b1b-ea4eb01bf2e5_totalLabel_en-US" xlink:label="lab_ifrs-full_DepreciationAndAmortisationExpense" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Depreciation and amortization</link:label>
    <link:label id="lab_ifrs-full_DepreciationAndAmortisationExpense_label_en-US" xlink:label="lab_ifrs-full_DepreciationAndAmortisationExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Depreciation and amortisation expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DepreciationAndAmortisationExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DepreciationAndAmortisationExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DepreciationAndAmortisationExpense" xlink:to="lab_ifrs-full_DepreciationAndAmortisationExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_BusinessContactMember_019b0124-061c-7126-b146-010e78528e41_terseLabel_en-US" xlink:label="lab_dei_BusinessContactMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Business Contact</link:label>
    <link:label id="lab_dei_BusinessContactMember_label_en-US" xlink:label="lab_dei_BusinessContactMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Contact [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_BusinessContactMember" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_BusinessContactMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_BusinessContactMember" xlink:to="lab_dei_BusinessContactMember" xlink:type="arc" order="1"/>
    <link:label id="lab_currency_GBP_019b0124-061c-78d4-87dd-420b75f5ec47_terseLabel_en-US" xlink:label="lab_currency_GBP" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">GBP</link:label>
    <link:label id="lab_currency_GBP_label_en-US" xlink:label="lab_currency_GBP" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">United Kingdom, Pounds</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_currency_GBP" xlink:href="https://xbrl.sec.gov/currency/2025/currency-2025.xsd#currency_GBP"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_currency_GBP" xlink:to="lab_currency_GBP" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfDiscountRatesUsedInCurrentEstimateOfValueInUse_019b0124-061c-7b88-9023-03157271d22d_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfDiscountRatesUsedInCurrentEstimateOfValueInUse" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Risk adjusted post tax discount rate</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfDiscountRatesUsedInCurrentEstimateOfValueInUse_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfDiscountRatesUsedInCurrentEstimateOfValueInUse" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Discount rate used in current estimate of value in use</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfDiscountRatesUsedInCurrentEstimateOfValueInUse" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfDiscountRatesUsedInCurrentEstimateOfValueInUse"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfDiscountRatesUsedInCurrentEstimateOfValueInUse" xlink:to="lab_ifrs-full_DescriptionOfDiscountRatesUsedInCurrentEstimateOfValueInUse" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LiabilitiesAbstract_019b0124-061c-7e5d-82d0-29f6cf207b97_terseLabel_en-US" xlink:label="lab_ifrs-full_LiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Liabilities</link:label>
    <link:label id="lab_ifrs-full_LiabilitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_LiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LiabilitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LiabilitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LiabilitiesAbstract" xlink:to="lab_ifrs-full_LiabilitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BondsIssued_019b0124-061c-70a5-8773-ecd2f6869243_terseLabel_en-US" xlink:label="lab_ifrs-full_BondsIssued" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bonds issued</link:label>
    <link:label id="lab_ifrs-full_BondsIssued_label_en-US" xlink:label="lab_ifrs-full_BondsIssued" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bonds issued</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BondsIssued" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BondsIssued"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BondsIssued" xlink:to="lab_ifrs-full_BondsIssued" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_InventoryNettingMember_019c6d85-e85e-7eb8-8041-e6bba97ebb36_terseLabel_en-US" xlink:label="lab_tlx_InventoryNettingMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Temporary differences in relation to inventories</link:label>
    <link:label id="lab_tlx_InventoryNettingMember_label_en-US" xlink:label="lab_tlx_InventoryNettingMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Inventory, Netting [Member]</link:label>
    <link:label id="lab_tlx_InventoryNettingMember_documentation_en-US" xlink:label="lab_tlx_InventoryNettingMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Inventory, Netting</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_InventoryNettingMember" xlink:href="tlx-20251231.xsd#tlx_InventoryNettingMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_InventoryNettingMember" xlink:to="lab_tlx_InventoryNettingMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_BusinessCombinationIndemnityPeriod_019b4472-c1e7-7a8a-9f22-e2d06e33f793_terseLabel_en-US" xlink:label="lab_tlx_BusinessCombinationIndemnityPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Indemnity period (in months)</link:label>
    <link:label id="lab_tlx_BusinessCombinationIndemnityPeriod_label_en-US" xlink:label="lab_tlx_BusinessCombinationIndemnityPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Combination, Indemnity Period</link:label>
    <link:label id="lab_tlx_BusinessCombinationIndemnityPeriod_documentation_en-US" xlink:label="lab_tlx_BusinessCombinationIndemnityPeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Business Combination, Indemnity Period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_BusinessCombinationIndemnityPeriod" xlink:href="tlx-20251231.xsd#tlx_BusinessCombinationIndemnityPeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_BusinessCombinationIndemnityPeriod" xlink:to="lab_tlx_BusinessCombinationIndemnityPeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProvisionsAbstract_019b0124-06b4-7d5c-883a-b06e81aa984a_terseLabel_en-US" xlink:label="lab_ifrs-full_ProvisionsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provisions [abstract]</link:label>
    <link:label id="lab_ifrs-full_ProvisionsAbstract_label_en-US" xlink:label="lab_ifrs-full_ProvisionsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provisions [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProvisionsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProvisionsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProvisionsAbstract" xlink:to="lab_ifrs-full_ProvisionsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CarryingAmountMember_019b0124-073c-7cc1-b90d-662346c1fdf7_terseLabel_en-US" xlink:label="lab_ifrs-full_CarryingAmountMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Carrying amount</link:label>
    <link:label id="lab_ifrs-full_CarryingAmountMember_label_en-US" xlink:label="lab_ifrs-full_CarryingAmountMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Carrying amount [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CarryingAmountMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CarryingAmountMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CarryingAmountMember" xlink:to="lab_ifrs-full_CarryingAmountMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PercentageOfReasonablyPossibleIncreaseInUnobservableInputAssets_019b0124-06b4-7dc6-ac0f-8c90c9e68500_terseLabel_en-US" xlink:label="lab_ifrs-full_PercentageOfReasonablyPossibleIncreaseInUnobservableInputAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of reasonably possible increase in unobservable input, assets</link:label>
    <link:label id="lab_ifrs-full_PercentageOfReasonablyPossibleIncreaseInUnobservableInputAssets_label_en-US" xlink:label="lab_ifrs-full_PercentageOfReasonablyPossibleIncreaseInUnobservableInputAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage of reasonably possible increase in unobservable input, assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PercentageOfReasonablyPossibleIncreaseInUnobservableInputAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PercentageOfReasonablyPossibleIncreaseInUnobservableInputAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PercentageOfReasonablyPossibleIncreaseInUnobservableInputAssets" xlink:to="lab_ifrs-full_PercentageOfReasonablyPossibleIncreaseInUnobservableInputAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_UnobservableInputsDomain_019b0124-061c-7cb9-ab50-ed59be7a4cc9_terseLabel_en-US" xlink:label="lab_ifrs-full_UnobservableInputsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unobservable inputs [domain]</link:label>
    <link:label id="lab_ifrs-full_UnobservableInputsDomain_label_en-US" xlink:label="lab_ifrs-full_UnobservableInputsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unobservable inputs [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_UnobservableInputsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_UnobservableInputsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_UnobservableInputsDomain" xlink:to="lab_ifrs-full_UnobservableInputsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ChangesInEquityAbstract_019b0124-073c-75d6-9127-ac0a73cd3d25_terseLabel_en-US" xlink:label="lab_ifrs-full_ChangesInEquityAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Changes in equity [Abstract]</link:label>
    <link:label id="lab_ifrs-full_ChangesInEquityAbstract_label_en-US" xlink:label="lab_ifrs-full_ChangesInEquityAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Changes in equity [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ChangesInEquityAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ChangesInEquityAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ChangesInEquityAbstract" xlink:to="lab_ifrs-full_ChangesInEquityAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits_019b0124-06b4-75e4-ade3-19350444c893_terseLabel_en-US" xlink:label="lab_ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Short-term employee benefits</link:label>
    <link:label id="lab_ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits_label_en-US" xlink:label="lab_ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Key management personnel compensation, short-term employee benefits</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits" xlink:to="lab_ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_IndefiniteUsefulLifeMember_019c54ef-a09f-73d2-b0e7-86fda0ee0da2_terseLabel_en-US" xlink:label="lab_tlx_IndefiniteUsefulLifeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Indefinite</link:label>
    <link:label id="lab_tlx_IndefiniteUsefulLifeMember_label_en-US" xlink:label="lab_tlx_IndefiniteUsefulLifeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Indefinite Useful Life [Member]</link:label>
    <link:label id="lab_tlx_IndefiniteUsefulLifeMember_documentation_en-US" xlink:label="lab_tlx_IndefiniteUsefulLifeMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Indefinite Useful Life</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_IndefiniteUsefulLifeMember" xlink:href="tlx-20251231.xsd#tlx_IndefiniteUsefulLifeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_IndefiniteUsefulLifeMember" xlink:to="lab_tlx_IndefiniteUsefulLifeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_NumberOfPerformanceRightLapsedInShareBasedPaymentArrangement_019c44d6-eb1c-7e77-9c8c-9511b8a157ad_negatedTerseLabel_en-US" xlink:label="lab_tlx_NumberOfPerformanceRightLapsedInShareBasedPaymentArrangement" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Performance Rights lapsed (in shares)</link:label>
    <link:label id="lab_tlx_NumberOfPerformanceRightLapsedInShareBasedPaymentArrangement_label_en-US" xlink:label="lab_tlx_NumberOfPerformanceRightLapsedInShareBasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Performance Right Lapsed In Share-Based Payment Arrangement</link:label>
    <link:label id="lab_tlx_NumberOfPerformanceRightLapsedInShareBasedPaymentArrangement_documentation_en-US" xlink:label="lab_tlx_NumberOfPerformanceRightLapsedInShareBasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number Of Performance Right Lapsed In Share-Based Payment Arrangement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_NumberOfPerformanceRightLapsedInShareBasedPaymentArrangement" xlink:href="tlx-20251231.xsd#tlx_NumberOfPerformanceRightLapsedInShareBasedPaymentArrangement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_NumberOfPerformanceRightLapsedInShareBasedPaymentArrangement" xlink:to="lab_tlx_NumberOfPerformanceRightLapsedInShareBasedPaymentArrangement" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_SecurityExchangeName_019b0124-06b4-75b7-8d73-c9d2918f8787_terseLabel_en-US" xlink:label="lab_dei_SecurityExchangeName" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Security Exchange Name</link:label>
    <link:label id="lab_dei_SecurityExchangeName_label_en-US" xlink:label="lab_dei_SecurityExchangeName" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Security Exchange Name</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_SecurityExchangeName"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_SecurityExchangeName" xlink:to="lab_dei_SecurityExchangeName" xlink:type="arc" order="1"/>
    <link:label id="lab_country_NZ_019be0fd-cad6-71ab-8558-bb30916ea188_terseLabel_en-US" xlink:label="lab_country_NZ" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">New Zealand</link:label>
    <link:label id="lab_country_NZ_label_en-US" xlink:label="lab_country_NZ" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">NEW ZEALAND</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_country_NZ" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_NZ"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_NZ" xlink:to="lab_country_NZ" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement_019b0124-061c-73e0-b65d-739a80e2c0a9_negatedLabel_en-US" xlink:label="lab_ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Options lapsed (in shares)</link:label>
    <link:label id="lab_ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement_label_en-US" xlink:label="lab_ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of share options forfeited in share-based payment arrangement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement" xlink:to="lab_ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ANMIMember_019b0124-06b4-74b9-8ab6-1251ab1541e5_terseLabel_en-US" xlink:label="lab_tlx_ANMIMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">ANMI</link:label>
    <link:label id="lab_tlx_ANMIMember_label_en-US" xlink:label="lab_tlx_ANMIMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ANMI [Member]</link:label>
    <link:label id="lab_tlx_ANMIMember_documentation_en-US" xlink:label="lab_tlx_ANMIMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for transactions or other events in which an acquirer obtain control of business.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ANMIMember" xlink:href="tlx-20251231.xsd#tlx_ANMIMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ANMIMember" xlink:to="lab_tlx_ANMIMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract_019b0124-061c-71c2-950d-6dfe8e2e08e2_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of terms and conditions of share-based payment arrangement [abstract]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of terms and conditions of share-based payment arrangement [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract" xlink:to="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_IncreaseDecreaseThroughTransferOnExerciseOfOptionsEquity_019b0124-061c-7490-997f-33daee7f8a97_terseLabel_en-US" xlink:label="lab_tlx_IncreaseDecreaseThroughTransferOnExerciseOfOptionsEquity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfer on exercise of options</link:label>
    <link:label id="lab_tlx_IncreaseDecreaseThroughTransferOnExerciseOfOptionsEquity_label_en-US" xlink:label="lab_tlx_IncreaseDecreaseThroughTransferOnExerciseOfOptionsEquity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Transfer On Exercise Of Options, Equity</link:label>
    <link:label id="lab_tlx_IncreaseDecreaseThroughTransferOnExerciseOfOptionsEquity_documentation_en-US" xlink:label="lab_tlx_IncreaseDecreaseThroughTransferOnExerciseOfOptionsEquity" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase (decrease) in equity resulting from the transfer on exercise of options.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_IncreaseDecreaseThroughTransferOnExerciseOfOptionsEquity" xlink:href="tlx-20251231.xsd#tlx_IncreaseDecreaseThroughTransferOnExerciseOfOptionsEquity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_IncreaseDecreaseThroughTransferOnExerciseOfOptionsEquity" xlink:to="lab_tlx_IncreaseDecreaseThroughTransferOnExerciseOfOptionsEquity" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory_019b0124-073c-72cb-be4a-e515dfb64d4b_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Fair Value of Grant Date Inputs for Options Granted</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of indirect measurement of fair value of goods or services received, share options granted during period [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory" xlink:to="lab_ifrs-full_DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ScheduleOfUnrecognizedTaxLossesTableTextBlock_019b0124-061c-743c-a7b7-506246d77262_terseLabel_en-US" xlink:label="lab_tlx_ScheduleOfUnrecognizedTaxLossesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Unrecognized Tax Losses</link:label>
    <link:label id="lab_tlx_ScheduleOfUnrecognizedTaxLossesTableTextBlock_label_en-US" xlink:label="lab_tlx_ScheduleOfUnrecognizedTaxLossesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Unrecognized Tax Losses [Table Text Block]</link:label>
    <link:label id="lab_tlx_ScheduleOfUnrecognizedTaxLossesTableTextBlock_documentation_en-US" xlink:label="lab_tlx_ScheduleOfUnrecognizedTaxLossesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of unrecognized tax losses</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ScheduleOfUnrecognizedTaxLossesTableTextBlock" xlink:href="tlx-20251231.xsd#tlx_ScheduleOfUnrecognizedTaxLossesTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ScheduleOfUnrecognizedTaxLossesTableTextBlock" xlink:to="lab_tlx_ScheduleOfUnrecognizedTaxLossesTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentProvisionsForEmployeeBenefits_019be9a5-b4fe-7498-8b94-a0b5827c1d65_verboseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentProvisionsForEmployeeBenefits" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Non-current</link:label>
    <link:label id="lab_ifrs-full_NoncurrentProvisionsForEmployeeBenefits_label_en-US" xlink:label="lab_ifrs-full_NoncurrentProvisionsForEmployeeBenefits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-current provisions for employee benefits</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentProvisionsForEmployeeBenefits" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentProvisionsForEmployeeBenefits"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentProvisionsForEmployeeBenefits" xlink:to="lab_ifrs-full_NoncurrentProvisionsForEmployeeBenefits" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_TypeOfIntangiblesAxis_019c54ef-153b-7be0-a711-6155b8a9c0e7_terseLabel_en-US" xlink:label="lab_tlx_TypeOfIntangiblesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Type Of Intangibles [Axis]</link:label>
    <link:label id="lab_tlx_TypeOfIntangiblesAxis_label_en-US" xlink:label="lab_tlx_TypeOfIntangiblesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Type Of Intangibles [Axis]</link:label>
    <link:label id="lab_tlx_TypeOfIntangiblesAxis_documentation_en-US" xlink:label="lab_tlx_TypeOfIntangiblesAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Type Of Intangibles</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_TypeOfIntangiblesAxis" xlink:href="tlx-20251231.xsd#tlx_TypeOfIntangiblesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_TypeOfIntangiblesAxis" xlink:to="lab_tlx_TypeOfIntangiblesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RightofuseAssets_019b0124-06b3-72dc-b14b-b95361dd95ce_terseLabel_en-US" xlink:label="lab_ifrs-full_RightofuseAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Right-of-use assets</link:label>
    <link:label id="lab_ifrs-full_RightofuseAssets_019b0124-06b3-7931-8d40-07132029e7cf_periodStartLabel_en-US" xlink:label="lab_ifrs-full_RightofuseAssets" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Balance at the beginning</link:label>
    <link:label id="lab_ifrs-full_RightofuseAssets_019b0124-06b3-7cea-97ee-e275fd0d6f0e_periodEndLabel_en-US" xlink:label="lab_ifrs-full_RightofuseAssets" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Balance at the end</link:label>
    <link:label id="lab_ifrs-full_RightofuseAssets_label_en-US" xlink:label="lab_ifrs-full_RightofuseAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Right-of-use assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RightofuseAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RightofuseAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RightofuseAssets" xlink:to="lab_ifrs-full_RightofuseAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CapitalReserveMember_019b0124-073c-7cf5-9838-61fbf89ec5a8_terseLabel_en-US" xlink:label="lab_ifrs-full_CapitalReserveMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share capital reserve</link:label>
    <link:label id="lab_ifrs-full_CapitalReserveMember_label_en-US" xlink:label="lab_ifrs-full_CapitalReserveMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital reserve [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CapitalReserveMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CapitalReserveMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CapitalReserveMember" xlink:to="lab_ifrs-full_CapitalReserveMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_ContactPersonnelName_019b0124-061c-723f-a4ee-3f92728653e3_terseLabel_en-US" xlink:label="lab_dei_ContactPersonnelName" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contact Personnel Name</link:label>
    <link:label id="lab_dei_ContactPersonnelName_label_en-US" xlink:label="lab_dei_ContactPersonnelName" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contact Personnel Name</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_ContactPersonnelName" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_ContactPersonnelName"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_ContactPersonnelName" xlink:to="lab_dei_ContactPersonnelName" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PurchaseOfTreasuryShares_019b0124-073c-757c-8a03-7fecf9617eed_negatedLabel_en-US" xlink:label="lab_ifrs-full_PurchaseOfTreasuryShares" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Treasury share acquired</link:label>
    <link:label id="lab_ifrs-full_PurchaseOfTreasuryShares_label_en-US" xlink:label="lab_ifrs-full_PurchaseOfTreasuryShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Purchase of treasury shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PurchaseOfTreasuryShares" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PurchaseOfTreasuryShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PurchaseOfTreasuryShares" xlink:to="lab_ifrs-full_PurchaseOfTreasuryShares" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NetAssetsLiabilities_019b0124-06b3-7b87-b089-95c172178c42_totalLabel_en-US" xlink:label="lab_ifrs-full_NetAssetsLiabilities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net assets</link:label>
    <link:label id="lab_ifrs-full_NetAssetsLiabilities_019b0124-06b3-7ff3-a5d1-fe114b4b404a_terseLabel_en-US" xlink:label="lab_ifrs-full_NetAssetsLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net assets</link:label>
    <link:label id="lab_ifrs-full_NetAssetsLiabilities_label_en-US" xlink:label="lab_ifrs-full_NetAssetsLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets (liabilities)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NetAssetsLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NetAssetsLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NetAssetsLiabilities" xlink:to="lab_ifrs-full_NetAssetsLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_RadiopharmaceuticalProductionFacilityMember_019b0124-061c-7448-a457-2d16cd8157bb_terseLabel_en-US" xlink:label="lab_tlx_RadiopharmaceuticalProductionFacilityMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Radiopharmaceutical Production Facility</link:label>
    <link:label id="lab_tlx_RadiopharmaceuticalProductionFacilityMember_label_en-US" xlink:label="lab_tlx_RadiopharmaceuticalProductionFacilityMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Radiopharmaceutical Production Facility [Member]</link:label>
    <link:label id="lab_tlx_RadiopharmaceuticalProductionFacilityMember_documentation_en-US" xlink:label="lab_tlx_RadiopharmaceuticalProductionFacilityMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The member stands for services of radiopharmaceutical production facility.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_RadiopharmaceuticalProductionFacilityMember" xlink:href="tlx-20251231.xsd#tlx_RadiopharmaceuticalProductionFacilityMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_RadiopharmaceuticalProductionFacilityMember" xlink:to="lab_tlx_RadiopharmaceuticalProductionFacilityMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ManufacturingSolutionsMember_019b0124-061c-7e1c-a822-d02d9106e235_terseLabel_en-US" xlink:label="lab_tlx_ManufacturingSolutionsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Manufacturing Solutions</link:label>
    <link:label id="lab_tlx_ManufacturingSolutionsMember_label_en-US" xlink:label="lab_tlx_ManufacturingSolutionsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Manufacturing Solutions [Member]</link:label>
    <link:label id="lab_tlx_ManufacturingSolutionsMember_documentation_en-US" xlink:label="lab_tlx_ManufacturingSolutionsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for a segment which deals with global network of facilities designed to deliver patient doses worldwide and comprises costs to operate company facilities and assets associated with the Group's vertically integrated manufacturing and supply chain.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ManufacturingSolutionsMember" xlink:href="tlx-20251231.xsd#tlx_ManufacturingSolutionsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ManufacturingSolutionsMember" xlink:to="lab_tlx_ManufacturingSolutionsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GovernmentGrants_019b0124-06b3-78d5-8591-b7f1cd72d98e_negatedLabel_en-US" xlink:label="lab_ifrs-full_GovernmentGrants" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Government grant</link:label>
    <link:label id="lab_ifrs-full_GovernmentGrants_019b0124-06b3-7498-add7-6deda5816a1c_terseLabel_en-US" xlink:label="lab_ifrs-full_GovernmentGrants" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Government grant liability, carrying amount</link:label>
    <link:label id="lab_ifrs-full_GovernmentGrants_label_en-US" xlink:label="lab_ifrs-full_GovernmentGrants" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Government grants</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GovernmentGrants" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GovernmentGrants"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GovernmentGrants" xlink:to="lab_ifrs-full_GovernmentGrants" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ScheduleOfConsolidatedStatementOfFinancialPositionTableTextBlock_019c4689-f240-7eb8-b203-5666dc4aa61e_terseLabel_en-US" xlink:label="lab_tlx_ScheduleOfConsolidatedStatementOfFinancialPositionTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Consolidated Statement of Financial Position</link:label>
    <link:label id="lab_tlx_ScheduleOfConsolidatedStatementOfFinancialPositionTableTextBlock_label_en-US" xlink:label="lab_tlx_ScheduleOfConsolidatedStatementOfFinancialPositionTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Consolidated Statement of Financial Position [Table Text Block]</link:label>
    <link:label id="lab_tlx_ScheduleOfConsolidatedStatementOfFinancialPositionTableTextBlock_documentation_en-US" xlink:label="lab_tlx_ScheduleOfConsolidatedStatementOfFinancialPositionTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Consolidated Statement of Financial Position</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ScheduleOfConsolidatedStatementOfFinancialPositionTableTextBlock" xlink:href="tlx-20251231.xsd#tlx_ScheduleOfConsolidatedStatementOfFinancialPositionTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ScheduleOfConsolidatedStatementOfFinancialPositionTableTextBlock" xlink:to="lab_tlx_ScheduleOfConsolidatedStatementOfFinancialPositionTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IntangibleAssetsOtherThanGoodwillMember_019c54c8-aa49-70b1-96d1-1a547b6c45f7_terseLabel_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsOtherThanGoodwillMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Intellectual property</link:label>
    <link:label id="lab_ifrs-full_IntangibleAssetsOtherThanGoodwillMember_label_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsOtherThanGoodwillMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Intangible assets other than goodwill [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IntangibleAssetsOtherThanGoodwillMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IntangibleAssetsOtherThanGoodwillMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IntangibleAssetsOtherThanGoodwillMember" xlink:to="lab_ifrs-full_IntangibleAssetsOtherThanGoodwillMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PaymentsToSuppliersForGoodsAndServicesAndToAndOnBehalfOfEmployees_019b0124-06b4-711d-ac2b-a427fb4c4a17_negatedLabel_en-US" xlink:label="lab_ifrs-full_PaymentsToSuppliersForGoodsAndServicesAndToAndOnBehalfOfEmployees" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Payments to suppliers and employees</link:label>
    <link:label id="lab_ifrs-full_PaymentsToSuppliersForGoodsAndServicesAndToAndOnBehalfOfEmployees_label_en-US" xlink:label="lab_ifrs-full_PaymentsToSuppliersForGoodsAndServicesAndToAndOnBehalfOfEmployees" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments to suppliers for goods and services and to and on behalf of employees</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PaymentsToSuppliersForGoodsAndServicesAndToAndOnBehalfOfEmployees" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PaymentsToSuppliersForGoodsAndServicesAndToAndOnBehalfOfEmployees"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PaymentsToSuppliersForGoodsAndServicesAndToAndOnBehalfOfEmployees" xlink:to="lab_ifrs-full_PaymentsToSuppliersForGoodsAndServicesAndToAndOnBehalfOfEmployees" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_AdjustedEarningsLossBeforeInterestTaxDepreciationAndAmortization_019b0124-061c-7731-8277-29ca1cb8df17_terseLabel_en-US" xlink:label="lab_tlx_AdjustedEarningsLossBeforeInterestTaxDepreciationAndAmortization" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total segment adjusted EBITDA</link:label>
    <link:label id="lab_tlx_AdjustedEarningsLossBeforeInterestTaxDepreciationAndAmortization_label_en-US" xlink:label="lab_tlx_AdjustedEarningsLossBeforeInterestTaxDepreciationAndAmortization" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjusted Earnings (Loss) Before Interest, Tax, Depreciation And Amortization</link:label>
    <link:label id="lab_tlx_AdjustedEarningsLossBeforeInterestTaxDepreciationAndAmortization_documentation_en-US" xlink:label="lab_tlx_AdjustedEarningsLossBeforeInterestTaxDepreciationAndAmortization" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of adjusted earnings before interest, tax, depreciation and amortization of the entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_AdjustedEarningsLossBeforeInterestTaxDepreciationAndAmortization" xlink:href="tlx-20251231.xsd#tlx_AdjustedEarningsLossBeforeInterestTaxDepreciationAndAmortization"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_AdjustedEarningsLossBeforeInterestTaxDepreciationAndAmortization" xlink:to="lab_tlx_AdjustedEarningsLossBeforeInterestTaxDepreciationAndAmortization" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfGeographicalAreasExplanatory_019b0124-061c-7858-9a7d-79adc18e64e2_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfGeographicalAreasExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Geographical Information</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfGeographicalAreasExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfGeographicalAreasExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of geographical areas [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfGeographicalAreasExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfGeographicalAreasExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfGeographicalAreasExplanatory" xlink:to="lab_ifrs-full_DisclosureOfGeographicalAreasExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract_019b0124-073c-7d73-8bbe-325160326c73_terseLabel_en-US" xlink:label="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Items to be reclassified to profit or loss in subsequent periods:</link:label>
    <link:label id="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract_label_en-US" xlink:label="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract" xlink:to="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ContractLiabilities_019b0124-06b4-75a9-8e4b-a9abe4d8e325_periodStartLabel_en-US" xlink:label="lab_ifrs-full_ContractLiabilities" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Beginning balance</link:label>
    <link:label id="lab_ifrs-full_ContractLiabilities_019b0124-06b4-7c80-940f-4f643785caec_periodEndLabel_en-US" xlink:label="lab_ifrs-full_ContractLiabilities" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Ending balance</link:label>
    <link:label id="lab_ifrs-full_ContractLiabilities_019b0124-06b4-7041-be4f-7a10ed4b0730_totalLabel_en-US" xlink:label="lab_ifrs-full_ContractLiabilities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total contract liabilities</link:label>
    <link:label id="lab_ifrs-full_ContractLiabilities_label_en-US" xlink:label="lab_ifrs-full_ContractLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contract liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ContractLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ContractLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ContractLiabilities" xlink:to="lab_ifrs-full_ContractLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_RangeMember_019c7601-84e2-7209-b497-9643a17b39ab_terseLabel_en-US" xlink:label="lab_srt_RangeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statistical Measurement [Domain]</link:label>
    <link:label id="lab_srt_RangeMember_label_en-US" xlink:label="lab_srt_RangeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statistical Measurement [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_RangeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_RangeMember" xlink:to="lab_srt_RangeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NumberOfPotentialOrdinarySharesThatAreAntidilutiveInPeriodPresented_019b0124-061c-7ce5-b9c4-5d4e7aacff58_terseLabel_en-US" xlink:label="lab_ifrs-full_NumberOfPotentialOrdinarySharesThatAreAntidilutiveInPeriodPresented" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Anti-dilutive shares (in shares)</link:label>
    <link:label id="lab_ifrs-full_NumberOfPotentialOrdinarySharesThatAreAntidilutiveInPeriodPresented_label_en-US" xlink:label="lab_ifrs-full_NumberOfPotentialOrdinarySharesThatAreAntidilutiveInPeriodPresented" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of potential ordinary shares that are antidilutive in period presented</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfPotentialOrdinarySharesThatAreAntidilutiveInPeriodPresented" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NumberOfPotentialOrdinarySharesThatAreAntidilutiveInPeriodPresented"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfPotentialOrdinarySharesThatAreAntidilutiveInPeriodPresented" xlink:to="lab_ifrs-full_NumberOfPotentialOrdinarySharesThatAreAntidilutiveInPeriodPresented" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_DisclosureOfDetailedInformationAboutIntangibleAssetsToEachCashGeneratingUnitTableTextBlock_019b0124-06b4-7ec4-8301-6d28ba2e61f2_terseLabel_en-US" xlink:label="lab_tlx_DisclosureOfDetailedInformationAboutIntangibleAssetsToEachCashGeneratingUnitTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Allocation of Intangible Assets to Each Cash Generating Unit</link:label>
    <link:label id="lab_tlx_DisclosureOfDetailedInformationAboutIntangibleAssetsToEachCashGeneratingUnitTableTextBlock_label_en-US" xlink:label="lab_tlx_DisclosureOfDetailedInformationAboutIntangibleAssetsToEachCashGeneratingUnitTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Intangible Assets To Each Cash Generating Unit [Table Text Block]</link:label>
    <link:label id="lab_tlx_DisclosureOfDetailedInformationAboutIntangibleAssetsToEachCashGeneratingUnitTableTextBlock_documentation_en-US" xlink:label="lab_tlx_DisclosureOfDetailedInformationAboutIntangibleAssetsToEachCashGeneratingUnitTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of detailed information about intangible assets to each cash generating unit.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_DisclosureOfDetailedInformationAboutIntangibleAssetsToEachCashGeneratingUnitTableTextBlock" xlink:href="tlx-20251231.xsd#tlx_DisclosureOfDetailedInformationAboutIntangibleAssetsToEachCashGeneratingUnitTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_DisclosureOfDetailedInformationAboutIntangibleAssetsToEachCashGeneratingUnitTableTextBlock" xlink:to="lab_tlx_DisclosureOfDetailedInformationAboutIntangibleAssetsToEachCashGeneratingUnitTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_PurchaseOfDecommissioningLiabilityClassifiedAsInvestingActivities_019b0124-073c-7f95-852e-d590ca5905a7_negatedLabel_en-US" xlink:label="lab_tlx_PurchaseOfDecommissioningLiabilityClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Payments for decommissioning liability</link:label>
    <link:label id="lab_tlx_PurchaseOfDecommissioningLiabilityClassifiedAsInvestingActivities_label_en-US" xlink:label="lab_tlx_PurchaseOfDecommissioningLiabilityClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Purchase Of Decommissioning Liability, Classified As Investing Activities</link:label>
    <link:label id="lab_tlx_PurchaseOfDecommissioningLiabilityClassifiedAsInvestingActivities_documentation_en-US" xlink:label="lab_tlx_PurchaseOfDecommissioningLiabilityClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The cash outflow for the purchase of decommissioning liability, classified as investing activities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_PurchaseOfDecommissioningLiabilityClassifiedAsInvestingActivities" xlink:href="tlx-20251231.xsd#tlx_PurchaseOfDecommissioningLiabilityClassifiedAsInvestingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_PurchaseOfDecommissioningLiabilityClassifiedAsInvestingActivities" xlink:to="lab_tlx_PurchaseOfDecommissioningLiabilityClassifiedAsInvestingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProvisionForDecommissioningRestorationAndRehabilitationCostsMember_019be987-4a9a-7de0-86a5-b1d974083042_terseLabel_en-US" xlink:label="lab_ifrs-full_ProvisionForDecommissioningRestorationAndRehabilitationCostsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Decommissioning liability</link:label>
    <link:label id="lab_ifrs-full_ProvisionForDecommissioningRestorationAndRehabilitationCostsMember_label_en-US" xlink:label="lab_ifrs-full_ProvisionForDecommissioningRestorationAndRehabilitationCostsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provision for decommissioning, restoration and rehabilitation costs [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProvisionForDecommissioningRestorationAndRehabilitationCostsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProvisionForDecommissioningRestorationAndRehabilitationCostsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProvisionForDecommissioningRestorationAndRehabilitationCostsMember" xlink:to="lab_ifrs-full_ProvisionForDecommissioningRestorationAndRehabilitationCostsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_UnusedTaxLossesMember_019b0124-061c-7d00-a299-1e8089bb1ca2_terseLabel_en-US" xlink:label="lab_ifrs-full_UnusedTaxLossesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tax losses</link:label>
    <link:label id="lab_ifrs-full_UnusedTaxLossesMember_label_en-US" xlink:label="lab_ifrs-full_UnusedTaxLossesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unused tax losses [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_UnusedTaxLossesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_UnusedTaxLossesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_UnusedTaxLossesMember" xlink:to="lab_ifrs-full_UnusedTaxLossesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentPortionOfNoncurrentSecuredBankLoansReceived_019b0124-061c-79b5-97fd-32f3e6f8b792_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentPortionOfNoncurrentSecuredBankLoansReceived" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-current secured bank loans</link:label>
    <link:label id="lab_ifrs-full_NoncurrentPortionOfNoncurrentSecuredBankLoansReceived_label_en-US" xlink:label="lab_ifrs-full_NoncurrentPortionOfNoncurrentSecuredBankLoansReceived" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-current portion of non-current secured bank loans received</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentPortionOfNoncurrentSecuredBankLoansReceived" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentPortionOfNoncurrentSecuredBankLoansReceived"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentPortionOfNoncurrentSecuredBankLoansReceived" xlink:to="lab_ifrs-full_NoncurrentPortionOfNoncurrentSecuredBankLoansReceived" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_SENSEIMember_019b0124-061c-72cf-b045-29e8b9a88bb2_terseLabel_en-US" xlink:label="lab_tlx_SENSEIMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">SENSEI</link:label>
    <link:label id="lab_tlx_SENSEIMember_label_en-US" xlink:label="lab_tlx_SENSEIMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">SENSEI [Member]</link:label>
    <link:label id="lab_tlx_SENSEIMember_documentation_en-US" xlink:label="lab_tlx_SENSEIMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for a product or business unit.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_SENSEIMember" xlink:href="tlx-20251231.xsd#tlx_SENSEIMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_SENSEIMember" xlink:to="lab_tlx_SENSEIMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember_019b0124-06b4-7d8d-909b-ae9a92ceb1b7_terseLabel_en-US" xlink:label="lab_ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign currency translation reserve</link:label>
    <link:label id="lab_ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember_label_en-US" xlink:label="lab_ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reserve of exchange differences on translation [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember" xlink:to="lab_ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_IncreaseDecreaseThroughSharesAllocatedToEmployees_019b0124-073c-768c-946f-ae6820d0e62d_negatedLabel_en-US" xlink:label="lab_tlx_IncreaseDecreaseThroughSharesAllocatedToEmployees" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Shares allocated to employees (in shares)</link:label>
    <link:label id="lab_tlx_IncreaseDecreaseThroughSharesAllocatedToEmployees_label_en-US" xlink:label="lab_tlx_IncreaseDecreaseThroughSharesAllocatedToEmployees" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Shares Allocated To Employees</link:label>
    <link:label id="lab_tlx_IncreaseDecreaseThroughSharesAllocatedToEmployees_documentation_en-US" xlink:label="lab_tlx_IncreaseDecreaseThroughSharesAllocatedToEmployees" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Shares allocated to employees during the period.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_IncreaseDecreaseThroughSharesAllocatedToEmployees" xlink:href="tlx-20251231.xsd#tlx_IncreaseDecreaseThroughSharesAllocatedToEmployees"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_IncreaseDecreaseThroughSharesAllocatedToEmployees" xlink:to="lab_tlx_IncreaseDecreaseThroughSharesAllocatedToEmployees" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ListingCosts_019b0124-06b4-7779-8ddb-0fb72aab9091_terseLabel_en-US" xlink:label="lab_tlx_ListingCosts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">U.S. listing costs</link:label>
    <link:label id="lab_tlx_ListingCosts_label_en-US" xlink:label="lab_tlx_ListingCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Listing Costs</link:label>
    <link:label id="lab_tlx_ListingCosts_documentation_en-US" xlink:label="lab_tlx_ListingCosts" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of expense recognised on listing costs.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ListingCosts" xlink:href="tlx-20251231.xsd#tlx_ListingCosts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ListingCosts" xlink:to="lab_tlx_ListingCosts" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis_019b0124-061c-76a8-96d5-a6efcd25bfa9_terseLabel_en-US" xlink:label="lab_ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Liabilities arising from financing activities [axis]</link:label>
    <link:label id="lab_ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis_label_en-US" xlink:label="lab_ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities arising from financing activities [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis" xlink:to="lab_ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NewProvisionsOtherProvisions_019be986-c38a-7a3a-b54c-d2bbf4f5f2eb_terseLabel_en-US" xlink:label="lab_ifrs-full_NewProvisionsOtherProvisions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amounts adjusted to property, plant and equipment</link:label>
    <link:label id="lab_ifrs-full_NewProvisionsOtherProvisions_label_en-US" xlink:label="lab_ifrs-full_NewProvisionsOtherProvisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">New provisions, other provisions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NewProvisionsOtherProvisions" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NewProvisionsOtherProvisions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NewProvisionsOtherProvisions" xlink:to="lab_ifrs-full_NewProvisionsOtherProvisions" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_NumberOfShareOptionsVestedAndExercisableInShareBasedPaymentArrangement_019b0124-06b3-7987-b904-a187c637bff7_terseLabel_en-US" xlink:label="lab_tlx_NumberOfShareOptionsVestedAndExercisableInShareBasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Vested and exercisable (in shares)</link:label>
    <link:label id="lab_tlx_NumberOfShareOptionsVestedAndExercisableInShareBasedPaymentArrangement_label_en-US" xlink:label="lab_tlx_NumberOfShareOptionsVestedAndExercisableInShareBasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of share options vested and exercisable in share-based payment arrangement</link:label>
    <link:label id="lab_tlx_NumberOfShareOptionsVestedAndExercisableInShareBasedPaymentArrangement_documentation_en-US" xlink:label="lab_tlx_NumberOfShareOptionsVestedAndExercisableInShareBasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The number of share options fully vested and expected to vest exercisable options that may be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_NumberOfShareOptionsVestedAndExercisableInShareBasedPaymentArrangement" xlink:href="tlx-20251231.xsd#tlx_NumberOfShareOptionsVestedAndExercisableInShareBasedPaymentArrangement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_NumberOfShareOptionsVestedAndExercisableInShareBasedPaymentArrangement" xlink:to="lab_tlx_NumberOfShareOptionsVestedAndExercisableInShareBasedPaymentArrangement" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentSecuredBankLoansReceivedAndCurrentPortionOfNoncurrentSecuredBankLoansReceived_019b0124-061c-7812-9a3c-b0844dce4856_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentSecuredBankLoansReceivedAndCurrentPortionOfNoncurrentSecuredBankLoansReceived" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current secured bank loans</link:label>
    <link:label id="lab_ifrs-full_CurrentSecuredBankLoansReceivedAndCurrentPortionOfNoncurrentSecuredBankLoansReceived_label_en-US" xlink:label="lab_ifrs-full_CurrentSecuredBankLoansReceivedAndCurrentPortionOfNoncurrentSecuredBankLoansReceived" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current secured bank loans received and current portion of non-current secured bank loans received</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentSecuredBankLoansReceivedAndCurrentPortionOfNoncurrentSecuredBankLoansReceived" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentSecuredBankLoansReceivedAndCurrentPortionOfNoncurrentSecuredBankLoansReceived"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentSecuredBankLoansReceivedAndCurrentPortionOfNoncurrentSecuredBankLoansReceived" xlink:to="lab_ifrs-full_CurrentSecuredBankLoansReceivedAndCurrentPortionOfNoncurrentSecuredBankLoansReceived" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_IncreaseDecreaseInNumberOfSharesIssued_019b0124-06b3-7838-a139-398546ed8fff_terseLabel_en-US" xlink:label="lab_tlx_IncreaseDecreaseInNumberOfSharesIssued" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Shares issued (in shares)</link:label>
    <link:label id="lab_tlx_IncreaseDecreaseInNumberOfSharesIssued_label_en-US" xlink:label="lab_tlx_IncreaseDecreaseInNumberOfSharesIssued" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) In Number Of Shares Issued</link:label>
    <link:label id="lab_tlx_IncreaseDecreaseInNumberOfSharesIssued_documentation_en-US" xlink:label="lab_tlx_IncreaseDecreaseInNumberOfSharesIssued" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase (decrease) in the number of shares issued.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_IncreaseDecreaseInNumberOfSharesIssued" xlink:href="tlx-20251231.xsd#tlx_IncreaseDecreaseInNumberOfSharesIssued"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_IncreaseDecreaseInNumberOfSharesIssued" xlink:to="lab_tlx_IncreaseDecreaseInNumberOfSharesIssued" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeIntangibleAssetsOtherThanGoodwill_019b0124-06b4-7c4b-8ebb-f0286e22b1d0_terseLabel_en-US" xlink:label="lab_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeIntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Useful economic life</link:label>
    <link:label id="lab_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeIntangibleAssetsOtherThanGoodwill_label_en-US" xlink:label="lab_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeIntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Useful life measured as period of time, intangible assets other than goodwill</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeIntangibleAssetsOtherThanGoodwill" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeIntangibleAssetsOtherThanGoodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeIntangibleAssetsOtherThanGoodwill" xlink:to="lab_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeIntangibleAssetsOtherThanGoodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_IncreaseDecreaseThroughAdjustmentsToIntangibleAssetsContingentConsideration_019be160-b5fa-7fd7-99a0-3cfbd7017e85_terseLabel_en-US" xlink:label="lab_tlx_IncreaseDecreaseThroughAdjustmentsToIntangibleAssetsContingentConsideration" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amounts adjusted to intangible assets</link:label>
    <link:label id="lab_tlx_IncreaseDecreaseThroughAdjustmentsToIntangibleAssetsContingentConsideration_label_en-US" xlink:label="lab_tlx_IncreaseDecreaseThroughAdjustmentsToIntangibleAssetsContingentConsideration" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Adjustments to Intangible Assets, Contingent Consideration</link:label>
    <link:label id="lab_tlx_IncreaseDecreaseThroughAdjustmentsToIntangibleAssetsContingentConsideration_documentation_en-US" xlink:label="lab_tlx_IncreaseDecreaseThroughAdjustmentsToIntangibleAssetsContingentConsideration" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Adjustments to Intangible Assets, Contingent Consideration</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_IncreaseDecreaseThroughAdjustmentsToIntangibleAssetsContingentConsideration" xlink:href="tlx-20251231.xsd#tlx_IncreaseDecreaseThroughAdjustmentsToIntangibleAssetsContingentConsideration"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_IncreaseDecreaseThroughAdjustmentsToIntangibleAssetsContingentConsideration" xlink:to="lab_tlx_IncreaseDecreaseThroughAdjustmentsToIntangibleAssetsContingentConsideration" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfShareCapitalAxis_019b0124-073c-74ba-bf1f-44a6259bf99f_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfShareCapitalAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of share capital [axis]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfShareCapitalAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfShareCapitalAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of share capital [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfShareCapitalAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfShareCapitalAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfShareCapitalAxis" xlink:to="lab_ifrs-full_ClassesOfShareCapitalAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement_019b0124-06b3-74aa-82f0-3f5643865013_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Options exercised (in shares)</link:label>
    <link:label id="lab_ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement_019b0124-06b3-7801-a7ca-4016d617d8a3_negatedLabel_en-US" xlink:label="lab_ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Exercised during the year (in shares)</link:label>
    <link:label id="lab_ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement_label_en-US" xlink:label="lab_ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of share options exercised in share-based payment arrangement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement" xlink:to="lab_ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement" xlink:type="arc" order="1"/>
    <link:label id="lab_country_SG_019be0fd-cad6-7099-b92a-ca4a25159123_terseLabel_en-US" xlink:label="lab_country_SG" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Singapore</link:label>
    <link:label id="lab_country_SG_label_en-US" xlink:label="lab_country_SG" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">SINGAPORE</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_country_SG" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_SG"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_SG" xlink:to="lab_country_SG" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfAntidilutiveInstrumentsDomain_019b0124-06b3-730c-84ba-c67951d4873d_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfAntidilutiveInstrumentsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Types of antidilutive instruments [domain]</link:label>
    <link:label id="lab_ifrs-full_TypesOfAntidilutiveInstrumentsDomain_label_en-US" xlink:label="lab_ifrs-full_TypesOfAntidilutiveInstrumentsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Types of antidilutive instruments [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfAntidilutiveInstrumentsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfAntidilutiveInstrumentsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfAntidilutiveInstrumentsDomain" xlink:to="lab_ifrs-full_TypesOfAntidilutiveInstrumentsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Equity_019b0124-06b3-7d74-9d64-d62160eb8035_totalLabel_en-US" xlink:label="lab_ifrs-full_Equity" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total equity</link:label>
    <link:label id="lab_ifrs-full_Equity_019b0124-06b3-7bcf-8898-b642e7e26b70_periodStartLabel_en-US" xlink:label="lab_ifrs-full_Equity" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Beginning balance</link:label>
    <link:label id="lab_ifrs-full_Equity_019b0124-06b3-7133-82b4-f31ad91e9165_periodEndLabel_en-US" xlink:label="lab_ifrs-full_Equity" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Ending balance</link:label>
    <link:label id="lab_ifrs-full_Equity_label_en-US" xlink:label="lab_ifrs-full_Equity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Equity" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Equity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Equity" xlink:to="lab_ifrs-full_Equity" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityAddressesAddressTypeAxis_019b0124-073c-700a-9ca1-bf274c49c67c_terseLabel_en-US" xlink:label="lab_dei_EntityAddressesAddressTypeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Addresses, Address Type [Axis]</link:label>
    <link:label id="lab_dei_EntityAddressesAddressTypeAxis_label_en-US" xlink:label="lab_dei_EntityAddressesAddressTypeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Addresses, Address Type [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressesAddressTypeAxis" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressesAddressTypeAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressesAddressTypeAxis" xlink:to="lab_dei_EntityAddressesAddressTypeAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_DeferredConsiderationUnderLicenseAgreementRecognisedAsOfAcquisitionDate_019be155-c29a-7e90-b2e5-61795d472e7f_verboseLabel_en-US" xlink:label="lab_tlx_DeferredConsiderationUnderLicenseAgreementRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Additional payable</link:label>
    <link:label id="lab_tlx_DeferredConsiderationUnderLicenseAgreementRecognisedAsOfAcquisitionDate_label_en-US" xlink:label="lab_tlx_DeferredConsiderationUnderLicenseAgreementRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Consideration Under License Agreement Recognised As Of Acquisition Date</link:label>
    <link:label id="lab_tlx_DeferredConsiderationUnderLicenseAgreementRecognisedAsOfAcquisitionDate_documentation_en-US" xlink:label="lab_tlx_DeferredConsiderationUnderLicenseAgreementRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred Consideration Under License Agreement Recognised As Of Acquisition Date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_DeferredConsiderationUnderLicenseAgreementRecognisedAsOfAcquisitionDate" xlink:href="tlx-20251231.xsd#tlx_DeferredConsiderationUnderLicenseAgreementRecognisedAsOfAcquisitionDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_DeferredConsiderationUnderLicenseAgreementRecognisedAsOfAcquisitionDate" xlink:to="lab_tlx_DeferredConsiderationUnderLicenseAgreementRecognisedAsOfAcquisitionDate" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PropertyPlantAndEquipment_019b0124-055d-7350-b519-b06d77037976_terseLabel_en-US" xlink:label="lab_ifrs-full_PropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, plant and equipment</link:label>
    <link:label id="lab_ifrs-full_PropertyPlantAndEquipment_019b0124-055d-79d8-8f89-e5c006358083_periodStartLabel_en-US" xlink:label="lab_ifrs-full_PropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Beginning balance</link:label>
    <link:label id="lab_ifrs-full_PropertyPlantAndEquipment_019b0124-055d-704a-b3e4-8e58e8791860_periodEndLabel_en-US" xlink:label="lab_ifrs-full_PropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Ending balance</link:label>
    <link:label id="lab_ifrs-full_PropertyPlantAndEquipment_label_en-US" xlink:label="lab_ifrs-full_PropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, plant and equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PropertyPlantAndEquipment" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="lab_ifrs-full_PropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfCommitmentsExplanatory_019b0124-073c-7c31-91c3-4c3f3ce31dbc_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfCommitmentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commitments</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfCommitmentsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfCommitmentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of commitments [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfCommitmentsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfCommitmentsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfCommitmentsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfCommitmentsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GrossProfit_019b0124-061c-7ae7-b1cc-0110b8571bab_totalLabel_en-US" xlink:label="lab_ifrs-full_GrossProfit" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Gross profit</link:label>
    <link:label id="lab_ifrs-full_GrossProfit_label_en-US" xlink:label="lab_ifrs-full_GrossProfit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gross profit</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GrossProfit" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GrossProfit"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GrossProfit" xlink:to="lab_ifrs-full_GrossProfit" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherCurrentLiabilities_019c54dd-819d-72ac-ab3a-54b095286f57_negatedLabel_en-US" xlink:label="lab_ifrs-full_OtherCurrentLiabilities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Other current liabilities</link:label>
    <link:label id="lab_ifrs-full_OtherCurrentLiabilities_label_en-US" xlink:label="lab_ifrs-full_OtherCurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other current liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherCurrentLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherCurrentLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherCurrentLiabilities" xlink:to="lab_ifrs-full_OtherCurrentLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_DisclosureOfDetailedInformationAboutConvertibleBondsReportedInStatementOfFinancialPositionTableTextBlock_019b0124-061c-7cb9-84f5-e4542947613a_terseLabel_en-US" xlink:label="lab_tlx_DisclosureOfDetailedInformationAboutConvertibleBondsReportedInStatementOfFinancialPositionTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Convertible Bonds</link:label>
    <link:label id="lab_tlx_DisclosureOfDetailedInformationAboutConvertibleBondsReportedInStatementOfFinancialPositionTableTextBlock_label_en-US" xlink:label="lab_tlx_DisclosureOfDetailedInformationAboutConvertibleBondsReportedInStatementOfFinancialPositionTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Convertible Bonds Reported In Statement Of Financial Position [Table Text Block]</link:label>
    <link:label id="lab_tlx_DisclosureOfDetailedInformationAboutConvertibleBondsReportedInStatementOfFinancialPositionTableTextBlock_documentation_en-US" xlink:label="lab_tlx_DisclosureOfDetailedInformationAboutConvertibleBondsReportedInStatementOfFinancialPositionTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of detailed information about convertible bonds reported in statement of financial position.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_DisclosureOfDetailedInformationAboutConvertibleBondsReportedInStatementOfFinancialPositionTableTextBlock" xlink:href="tlx-20251231.xsd#tlx_DisclosureOfDetailedInformationAboutConvertibleBondsReportedInStatementOfFinancialPositionTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_DisclosureOfDetailedInformationAboutConvertibleBondsReportedInStatementOfFinancialPositionTableTextBlock" xlink:to="lab_tlx_DisclosureOfDetailedInformationAboutConvertibleBondsReportedInStatementOfFinancialPositionTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfContractsDomain_019b0124-061c-7fb4-80ed-fa943fa20655_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfContractsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Types of contracts [domain]</link:label>
    <link:label id="lab_ifrs-full_TypesOfContractsDomain_label_en-US" xlink:label="lab_ifrs-full_TypesOfContractsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Types of contracts [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfContractsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfContractsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfContractsDomain" xlink:to="lab_ifrs-full_TypesOfContractsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract_019b0124-061c-7f1a-a00e-12e7b2471ac0_terseLabel_en-US" xlink:label="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Items that will not be reclassified to profit or loss in subsequent periods:</link:label>
    <link:label id="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract_label_en-US" xlink:label="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Components of other comprehensive income that will not be reclassified to profit or loss, net of tax [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract" xlink:to="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Level1OfFairValueHierarchyMember_019b0124-061c-7049-86f5-a852ba6821b4_terseLabel_en-US" xlink:label="lab_ifrs-full_Level1OfFairValueHierarchyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Level 1</link:label>
    <link:label id="lab_ifrs-full_Level1OfFairValueHierarchyMember_label_en-US" xlink:label="lab_ifrs-full_Level1OfFairValueHierarchyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Level 1 of fair value hierarchy [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Level1OfFairValueHierarchyMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Level1OfFairValueHierarchyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Level1OfFairValueHierarchyMember" xlink:to="lab_ifrs-full_Level1OfFairValueHierarchyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_EarnOutPaymentsTerminationPeriod_019b0124-061c-73a9-8317-17286f3a20c9_terseLabel_en-US" xlink:label="lab_tlx_EarnOutPaymentsTerminationPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Date of termination of earn-outs</link:label>
    <link:label id="lab_tlx_EarnOutPaymentsTerminationPeriod_label_en-US" xlink:label="lab_tlx_EarnOutPaymentsTerminationPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earn-Out Payments, Termination Period</link:label>
    <link:label id="lab_tlx_EarnOutPaymentsTerminationPeriod_documentation_en-US" xlink:label="lab_tlx_EarnOutPaymentsTerminationPeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The date termination on earn-out payments, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_EarnOutPaymentsTerminationPeriod" xlink:href="tlx-20251231.xsd#tlx_EarnOutPaymentsTerminationPeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_EarnOutPaymentsTerminationPeriod" xlink:to="lab_tlx_EarnOutPaymentsTerminationPeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_FirstTrancheMember_019be696-4de8-7509-89d7-8ce2bc5f4ad3_terseLabel_en-US" xlink:label="lab_tlx_FirstTrancheMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">First Tranche</link:label>
    <link:label id="lab_tlx_FirstTrancheMember_label_en-US" xlink:label="lab_tlx_FirstTrancheMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">First Tranche [Member]</link:label>
    <link:label id="lab_tlx_FirstTrancheMember_documentation_en-US" xlink:label="lab_tlx_FirstTrancheMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">First Tranche</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_FirstTrancheMember" xlink:href="tlx-20251231.xsd#tlx_FirstTrancheMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_FirstTrancheMember" xlink:to="lab_tlx_FirstTrancheMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_GrantDateOctober312023Member_019bea53-9c80-70eb-abe9-d8576c895f02_terseLabel_en-US" xlink:label="lab_tlx_GrantDateOctober312023Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Grant date October 31, 2023</link:label>
    <link:label id="lab_tlx_GrantDateOctober312023Member_label_en-US" xlink:label="lab_tlx_GrantDateOctober312023Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Grant Date October 31, 2023 [Member]</link:label>
    <link:label id="lab_tlx_GrantDateOctober312023Member_documentation_en-US" xlink:label="lab_tlx_GrantDateOctober312023Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Grant Date October 31, 2023</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_GrantDateOctober312023Member" xlink:href="tlx-20251231.xsd#tlx_GrantDateOctober312023Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_GrantDateOctober312023Member" xlink:to="lab_tlx_GrantDateOctober312023Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowingsByTypeAbstract_019be939-0364-7209-91d9-44ddf373ac65_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowingsByTypeAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current</link:label>
    <link:label id="lab_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowingsByTypeAbstract_label_en-US" xlink:label="lab_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowingsByTypeAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current borrowings and current portion of non-current borrowings, by type [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowingsByTypeAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowingsByTypeAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowingsByTypeAbstract" xlink:to="lab_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowingsByTypeAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement_019b0124-06b3-74f4-9da1-5eb2544de31e_verboseLabel_en-US" xlink:label="lab_ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">EIP options issued (in shares)</link:label>
    <link:label id="lab_ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement_019b0124-06b3-7032-8a42-4dae8f69ca44_terseLabel_en-US" xlink:label="lab_ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Granted during the year (in shares)</link:label>
    <link:label id="lab_ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement_label_en-US" xlink:label="lab_ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of share options granted in share-based payment arrangement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement" xlink:to="lab_ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems_019b0124-061c-7851-862e-596e2bfbc902_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about property, plant and equipment [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about property, plant and equipment [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:to="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_GrantDateApril52022Member_019bea50-c6e2-70d6-8274-23e0312492e8_terseLabel_en-US" xlink:label="lab_tlx_GrantDateApril52022Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Grant date April 5, 2022</link:label>
    <link:label id="lab_tlx_GrantDateApril52022Member_label_en-US" xlink:label="lab_tlx_GrantDateApril52022Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Grant Date April 5, 2022 [Member]</link:label>
    <link:label id="lab_tlx_GrantDateApril52022Member_documentation_en-US" xlink:label="lab_tlx_GrantDateApril52022Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Grant Date April 5, 2022</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_GrantDateApril52022Member" xlink:href="tlx-20251231.xsd#tlx_GrantDateApril52022Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_GrantDateApril52022Member" xlink:to="lab_tlx_GrantDateApril52022Member" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ExchangeDifferencesInContractLiabilities_019b0124-073c-701f-8c7b-666e4a8421ca_terseLabel_en-US" xlink:label="lab_tlx_ExchangeDifferencesInContractLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exchange differences</link:label>
    <link:label id="lab_tlx_ExchangeDifferencesInContractLiabilities_label_en-US" xlink:label="lab_tlx_ExchangeDifferencesInContractLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Exchange differences in contract liabilities</link:label>
    <link:label id="lab_tlx_ExchangeDifferencesInContractLiabilities_documentation_en-US" xlink:label="lab_tlx_ExchangeDifferencesInContractLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of exchange differences in contract liabilities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ExchangeDifferencesInContractLiabilities" xlink:href="tlx-20251231.xsd#tlx_ExchangeDifferencesInContractLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ExchangeDifferencesInContractLiabilities" xlink:to="lab_tlx_ExchangeDifferencesInContractLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ContingentLiabilitiesRecognisedAsOfAcquisitionDate_019be14e-a961-7b8a-94d9-0258fa7c5dee_terseLabel_en-US" xlink:label="lab_ifrs-full_ContingentLiabilitiesRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Payables recognised as of acquisition date</link:label>
    <link:label id="lab_ifrs-full_ContingentLiabilitiesRecognisedAsOfAcquisitionDate_label_en-US" xlink:label="lab_ifrs-full_ContingentLiabilitiesRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contingent liabilities recognised as of acquisition date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ContingentLiabilitiesRecognisedAsOfAcquisitionDate" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ContingentLiabilitiesRecognisedAsOfAcquisitionDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ContingentLiabilitiesRecognisedAsOfAcquisitionDate" xlink:to="lab_ifrs-full_ContingentLiabilitiesRecognisedAsOfAcquisitionDate" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_InterestPaidOnConvertibleBonds_019b3b1f-ec0e-7c70-a7e3-ec032c74293b_negatedTerseLabel_en-US" xlink:label="lab_tlx_InterestPaidOnConvertibleBonds" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Interest paid</link:label>
    <link:label id="lab_tlx_InterestPaidOnConvertibleBonds_label_en-US" xlink:label="lab_tlx_InterestPaidOnConvertibleBonds" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Paid On Convertible Bonds</link:label>
    <link:label id="lab_tlx_InterestPaidOnConvertibleBonds_documentation_en-US" xlink:label="lab_tlx_InterestPaidOnConvertibleBonds" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The cash outflow for interest paid on convertible debt, classified as operating activities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_InterestPaidOnConvertibleBonds" xlink:href="tlx-20251231.xsd#tlx_InterestPaidOnConvertibleBonds"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_InterestPaidOnConvertibleBonds" xlink:to="lab_tlx_InterestPaidOnConvertibleBonds" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PercentageOfReasonablyPossibleDecreaseInUnobservableInputAssets_019be107-5957-7881-9aa4-acc76fb556b2_terseLabel_en-US" xlink:label="lab_ifrs-full_PercentageOfReasonablyPossibleDecreaseInUnobservableInputAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of reasonably possible decrease in unobservable input, assets</link:label>
    <link:label id="lab_ifrs-full_PercentageOfReasonablyPossibleDecreaseInUnobservableInputAssets_label_en-US" xlink:label="lab_ifrs-full_PercentageOfReasonablyPossibleDecreaseInUnobservableInputAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage of reasonably possible decrease in unobservable input, assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PercentageOfReasonablyPossibleDecreaseInUnobservableInputAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PercentageOfReasonablyPossibleDecreaseInUnobservableInputAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PercentageOfReasonablyPossibleDecreaseInUnobservableInputAssets" xlink:to="lab_ifrs-full_PercentageOfReasonablyPossibleDecreaseInUnobservableInputAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_UndrawnBorrowingFacilities_019b0124-06b4-7e6e-9a6d-bb0e8ac86b2d_terseLabel_en-US" xlink:label="lab_ifrs-full_UndrawnBorrowingFacilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Undrawn borrowing facilities</link:label>
    <link:label id="lab_ifrs-full_UndrawnBorrowingFacilities_label_en-US" xlink:label="lab_ifrs-full_UndrawnBorrowingFacilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Undrawn borrowing facilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_UndrawnBorrowingFacilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_UndrawnBorrowingFacilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_UndrawnBorrowingFacilities" xlink:to="lab_ifrs-full_UndrawnBorrowingFacilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DiscountRateMeasurementInputMember_019be991-d40d-7dfe-bc25-e673983b5e27_terseLabel_en-US" xlink:label="lab_ifrs-full_DiscountRateMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Risk adjusted post-tax discount rate</link:label>
    <link:label id="lab_ifrs-full_DiscountRateMeasurementInputMember_label_en-US" xlink:label="lab_ifrs-full_DiscountRateMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Discount rate, measurement input [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DiscountRateMeasurementInputMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DiscountRateMeasurementInputMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DiscountRateMeasurementInputMember" xlink:to="lab_ifrs-full_DiscountRateMeasurementInputMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract_019b0124-073c-7e20-8943-83436d7ed265_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of non-adjusting events after reporting period [abstract]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of non-adjusting events after reporting period [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract" xlink:to="lab_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FixturesAndFittingsMember_019b0124-061c-7ccd-843a-9faecf39c751_terseLabel_en-US" xlink:label="lab_ifrs-full_FixturesAndFittingsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Furniture, fittings and equipment</link:label>
    <link:label id="lab_ifrs-full_FixturesAndFittingsMember_label_en-US" xlink:label="lab_ifrs-full_FixturesAndFittingsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fixtures and fittings [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FixturesAndFittingsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FixturesAndFittingsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FixturesAndFittingsMember" xlink:to="lab_ifrs-full_FixturesAndFittingsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019_019b0124-06b4-7108-8ed8-9505c5b21db1_periodStartLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Balance at beginning (in AUD/USD per share)</link:label>
    <link:label id="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019_019b0124-06b4-79cd-8171-17c96b8b6a9a_periodEndLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Balance at ending (in AUD/USD per share)</link:label>
    <link:label id="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019_label_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted average exercise price of share options outstanding in share-based payment arrangement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019" xlink:to="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProfitLossAttributableToOwnersOfParent_019b0124-061c-7b43-ba18-e31d2adc65f4_terseLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Owners of Telix Pharmaceuticals Limited</link:label>
    <link:label id="lab_ifrs-full_ProfitLossAttributableToOwnersOfParent_019b44b0-0bbd-7bb9-aa3c-51695b0a6a2f_verboseLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Loss for the year</link:label>
    <link:label id="lab_ifrs-full_ProfitLossAttributableToOwnersOfParent_label_en-US" xlink:label="lab_ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Profit (loss), attributable to owners of parent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossAttributableToOwnersOfParent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:to="lab_ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SalesAndMarketingExpense_019b0124-061c-7bc0-89a7-3d6b350b0830_negatedLabel_en-US" xlink:label="lab_ifrs-full_SalesAndMarketingExpense" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Selling and marketing expenses</link:label>
    <link:label id="lab_ifrs-full_SalesAndMarketingExpense_019be0c3-2e2f-7184-b709-e3f8c41c4688_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_SalesAndMarketingExpense" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Selling and marketing expenses</link:label>
    <link:label id="lab_ifrs-full_SalesAndMarketingExpense_label_en-US" xlink:label="lab_ifrs-full_SalesAndMarketingExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sales and marketing expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SalesAndMarketingExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SalesAndMarketingExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SalesAndMarketingExpense" xlink:to="lab_ifrs-full_SalesAndMarketingExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInContractLiabilities_019b0124-06b4-735a-8cff-4151432c968b_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInContractLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Decrease in contract liabilities</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInContractLiabilities_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInContractLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for increase (decrease) in contract liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForIncreaseDecreaseInContractLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInContractLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForIncreaseDecreaseInContractLiabilities" xlink:to="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInContractLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForProvisions_019b0124-061c-725d-8506-8c8040311aa4_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForProvisions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair value remeasurement of provisions</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForProvisions_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForProvisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for provisions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForProvisions" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForProvisions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForProvisions" xlink:to="lab_ifrs-full_AdjustmentsForProvisions" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LaterThanOneMonthAndNotLaterThanTwoMonthsMember_019b0124-061c-7c70-88e5-26d1795f3849_terseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanOneMonthAndNotLaterThanTwoMonthsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">30 days</link:label>
    <link:label id="lab_ifrs-full_LaterThanOneMonthAndNotLaterThanTwoMonthsMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanOneMonthAndNotLaterThanTwoMonthsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Later than one month and not later than two months [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanOneMonthAndNotLaterThanTwoMonthsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LaterThanOneMonthAndNotLaterThanTwoMonthsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanOneMonthAndNotLaterThanTwoMonthsMember" xlink:to="lab_ifrs-full_LaterThanOneMonthAndNotLaterThanTwoMonthsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MeasurementPeriodAdjustmentsRecognisedForParticularAssetsLiabilitiesNoncontrollingInterestsOrItemsOfConsideration_019c54c5-54cf-7204-8929-3fe1366a2f40_terseLabel_en-US" xlink:label="lab_ifrs-full_MeasurementPeriodAdjustmentsRecognisedForParticularAssetsLiabilitiesNoncontrollingInterestsOrItemsOfConsideration" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Measurement period adjustments</link:label>
    <link:label id="lab_ifrs-full_MeasurementPeriodAdjustmentsRecognisedForParticularAssetsLiabilitiesNoncontrollingInterestsOrItemsOfConsideration_label_en-US" xlink:label="lab_ifrs-full_MeasurementPeriodAdjustmentsRecognisedForParticularAssetsLiabilitiesNoncontrollingInterestsOrItemsOfConsideration" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Measurement period adjustments recognised for particular assets, liabilities, non-controlling interests or items of consideration</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MeasurementPeriodAdjustmentsRecognisedForParticularAssetsLiabilitiesNoncontrollingInterestsOrItemsOfConsideration" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MeasurementPeriodAdjustmentsRecognisedForParticularAssetsLiabilitiesNoncontrollingInterestsOrItemsOfConsideration"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MeasurementPeriodAdjustmentsRecognisedForParticularAssetsLiabilitiesNoncontrollingInterestsOrItemsOfConsideration" xlink:to="lab_ifrs-full_MeasurementPeriodAdjustmentsRecognisedForParticularAssetsLiabilitiesNoncontrollingInterestsOrItemsOfConsideration" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentLiabilities_019b0124-073c-7bff-a013-7c5496afde46_totalLabel_en-US" xlink:label="lab_ifrs-full_CurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total current liabilities</link:label>
    <link:label id="lab_ifrs-full_CurrentLiabilities_019be0e1-9049-7bea-b120-cd73c66b7899_verboseLabel_en-US" xlink:label="lab_ifrs-full_CurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Current liabilities</link:label>
    <link:label id="lab_ifrs-full_CurrentLiabilities_label_en-US" xlink:label="lab_ifrs-full_CurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentLiabilities" xlink:to="lab_ifrs-full_CurrentLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ShortTermIncentives_019b0124-061c-7377-96fb-30bb9001fbf2_terseLabel_en-US" xlink:label="lab_tlx_ShortTermIncentives" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Short term incentives</link:label>
    <link:label id="lab_tlx_ShortTermIncentives_label_en-US" xlink:label="lab_tlx_ShortTermIncentives" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Short-Term Incentives</link:label>
    <link:label id="lab_tlx_ShortTermIncentives_documentation_en-US" xlink:label="lab_tlx_ShortTermIncentives" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of expense from employee benefits (other than termination benefits) that are expected to be settled wholly within twelve months after the end of the annual reporting period in which the employees render the related services.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ShortTermIncentives" xlink:href="tlx-20251231.xsd#tlx_ShortTermIncentives"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ShortTermIncentives" xlink:to="lab_tlx_ShortTermIncentives" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TradeAndOtherReceivablesAbstract_019b0124-061c-7a7d-b951-5cba0db47019_terseLabel_en-US" xlink:label="lab_ifrs-full_TradeAndOtherReceivablesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trade and other receivables [abstract]</link:label>
    <link:label id="lab_ifrs-full_TradeAndOtherReceivablesAbstract_label_en-US" xlink:label="lab_ifrs-full_TradeAndOtherReceivablesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trade and other receivables [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TradeAndOtherReceivablesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TradeAndOtherReceivablesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TradeAndOtherReceivablesAbstract" xlink:to="lab_ifrs-full_TradeAndOtherReceivablesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_BNPParibasMember_019b0124-06b4-78ba-8870-547b4acb023d_terseLabel_en-US" xlink:label="lab_tlx_BNPParibasMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">BNP Paribas</link:label>
    <link:label id="lab_tlx_BNPParibasMember_label_en-US" xlink:label="lab_tlx_BNPParibasMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">BNP Paribas [Member]</link:label>
    <link:label id="lab_tlx_BNPParibasMember_documentation_en-US" xlink:label="lab_tlx_BNPParibasMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for the name of financial institution which company made loan agreement.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_BNPParibasMember" xlink:href="tlx-20251231.xsd#tlx_BNPParibasMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_BNPParibasMember" xlink:to="lab_tlx_BNPParibasMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DeferredTaxAssets_019b0124-061c-7edd-9d44-77407861f440_terseLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred tax assets</link:label>
    <link:label id="lab_ifrs-full_DeferredTaxAssets_019b3ac2-4bba-7764-a00f-f0a7bad5a8f5_totalLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxAssets" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net deferred tax assets</link:label>
    <link:label id="lab_ifrs-full_DeferredTaxAssets_label_en-US" xlink:label="lab_ifrs-full_DeferredTaxAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred tax assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DeferredTaxAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DeferredTaxAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DeferredTaxAssets" xlink:to="lab_ifrs-full_DeferredTaxAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Inventories_019b0124-06b3-75ef-b0c0-11c583522033_terseLabel_en-US" xlink:label="lab_ifrs-full_Inventories" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Inventories</link:label>
    <link:label id="lab_ifrs-full_Inventories_019b0124-06b3-7507-b7a2-cff17e5eadb8_totalLabel_en-US" xlink:label="lab_ifrs-full_Inventories" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total inventories</link:label>
    <link:label id="lab_ifrs-full_Inventories_label_en-US" xlink:label="lab_ifrs-full_Inventories" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current inventories</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Inventories" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Inventories"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Inventories" xlink:to="lab_ifrs-full_Inventories" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentAccountingStandard_019b0124-061c-7fa0-9b0d-b4c618d4659a_terseLabel_en-US" xlink:label="lab_dei_DocumentAccountingStandard" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Accounting Standard</link:label>
    <link:label id="lab_dei_DocumentAccountingStandard_label_en-US" xlink:label="lab_dei_DocumentAccountingStandard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Accounting Standard</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentAccountingStandard" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentAccountingStandard"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentAccountingStandard" xlink:to="lab_dei_DocumentAccountingStandard" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_IncreaseDecreaseThroughExchangeDifferencesRightOfUseAssets_019b0124-06b4-794f-a48a-80191f7feb91_terseLabel_en-US" xlink:label="lab_tlx_IncreaseDecreaseThroughExchangeDifferencesRightOfUseAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exchange differences</link:label>
    <link:label id="lab_tlx_IncreaseDecreaseThroughExchangeDifferencesRightOfUseAssets_label_en-US" xlink:label="lab_tlx_IncreaseDecreaseThroughExchangeDifferencesRightOfUseAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Exchange Differences Right Of Use Assets</link:label>
    <link:label id="lab_tlx_IncreaseDecreaseThroughExchangeDifferencesRightOfUseAssets_documentation_en-US" xlink:label="lab_tlx_IncreaseDecreaseThroughExchangeDifferencesRightOfUseAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase (decrease) in right-of-use assets resulting from net exchange differences.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_IncreaseDecreaseThroughExchangeDifferencesRightOfUseAssets" xlink:href="tlx-20251231.xsd#tlx_IncreaseDecreaseThroughExchangeDifferencesRightOfUseAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_IncreaseDecreaseThroughExchangeDifferencesRightOfUseAssets" xlink:to="lab_tlx_IncreaseDecreaseThroughExchangeDifferencesRightOfUseAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems_019b0124-06b3-7918-b456-a3c1200bde5f_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of temporary difference, unused tax losses and unused tax credits [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of temporary difference, unused tax losses and unused tax credits [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems" xlink:to="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ShareBasedPaymentsReserveAbstract_019b0124-06b3-757e-8dd1-a1df1a19a970_terseLabel_en-US" xlink:label="lab_tlx_ShareBasedPaymentsReserveAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-based payments reserve [Abstract]</link:label>
    <link:label id="lab_tlx_ShareBasedPaymentsReserveAbstract_label_en-US" xlink:label="lab_tlx_ShareBasedPaymentsReserveAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-Based Payments Reserve [Abstract]</link:label>
    <link:label id="lab_tlx_ShareBasedPaymentsReserveAbstract_documentation_en-US" xlink:label="lab_tlx_ShareBasedPaymentsReserveAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Share-based payments reserve [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ShareBasedPaymentsReserveAbstract" xlink:href="tlx-20251231.xsd#tlx_ShareBasedPaymentsReserveAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ShareBasedPaymentsReserveAbstract" xlink:to="lab_tlx_ShareBasedPaymentsReserveAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems_019b0124-061c-7f2b-b696-a508ec1ec7c8_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of quantitative information about right-of-use assets [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of quantitative information about right-of-use assets [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems" xlink:to="lab_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_DescriptionOfAccountingPolicyForPrinciplesOfConsolidationPolicyTextBlock_019b0124-073c-758f-96f6-aa02f5ced26e_terseLabel_en-US" xlink:label="lab_tlx_DescriptionOfAccountingPolicyForPrinciplesOfConsolidationPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Principles of consolidation</link:label>
    <link:label id="lab_tlx_DescriptionOfAccountingPolicyForPrinciplesOfConsolidationPolicyTextBlock_label_en-US" xlink:label="lab_tlx_DescriptionOfAccountingPolicyForPrinciplesOfConsolidationPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description Of Accounting Policy For Principles Of Consolidation [Policy Text Block]</link:label>
    <link:label id="lab_tlx_DescriptionOfAccountingPolicyForPrinciplesOfConsolidationPolicyTextBlock_documentation_en-US" xlink:label="lab_tlx_DescriptionOfAccountingPolicyForPrinciplesOfConsolidationPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The description of the entity's accounting policy for principles of consolidation.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_DescriptionOfAccountingPolicyForPrinciplesOfConsolidationPolicyTextBlock" xlink:href="tlx-20251231.xsd#tlx_DescriptionOfAccountingPolicyForPrinciplesOfConsolidationPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_DescriptionOfAccountingPolicyForPrinciplesOfConsolidationPolicyTextBlock" xlink:to="lab_tlx_DescriptionOfAccountingPolicyForPrinciplesOfConsolidationPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_StatementOfChangesInEquityAbstract_019b0124-06b4-7b59-9a0d-e0a1a7dc5fc3_terseLabel_en-US" xlink:label="lab_ifrs-full_StatementOfChangesInEquityAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement of changes in equity [abstract]</link:label>
    <link:label id="lab_ifrs-full_StatementOfChangesInEquityAbstract_label_en-US" xlink:label="lab_ifrs-full_StatementOfChangesInEquityAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of changes in equity [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_StatementOfChangesInEquityAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_StatementOfChangesInEquityAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_StatementOfChangesInEquityAbstract" xlink:to="lab_ifrs-full_StatementOfChangesInEquityAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_IncreaseDecreaseThroughBusinessAcquisitionsContingentConsideration_019be160-2412-75af-91d0-dd1e2cd6379c_terseLabel_en-US" xlink:label="lab_tlx_IncreaseDecreaseThroughBusinessAcquisitionsContingentConsideration" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Acquisition of businesses</link:label>
    <link:label id="lab_tlx_IncreaseDecreaseThroughBusinessAcquisitionsContingentConsideration_label_en-US" xlink:label="lab_tlx_IncreaseDecreaseThroughBusinessAcquisitionsContingentConsideration" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Business Acquisitions, Contingent Consideration</link:label>
    <link:label id="lab_tlx_IncreaseDecreaseThroughBusinessAcquisitionsContingentConsideration_documentation_en-US" xlink:label="lab_tlx_IncreaseDecreaseThroughBusinessAcquisitionsContingentConsideration" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Business Acquisitions, Contingent Consideration</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_IncreaseDecreaseThroughBusinessAcquisitionsContingentConsideration" xlink:href="tlx-20251231.xsd#tlx_IncreaseDecreaseThroughBusinessAcquisitionsContingentConsideration"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_IncreaseDecreaseThroughBusinessAcquisitionsContingentConsideration" xlink:to="lab_tlx_IncreaseDecreaseThroughBusinessAcquisitionsContingentConsideration" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_TelixTargetingTechnologiesInc.Member_019c4467-9f78-7482-8c76-89c59598ed41_terseLabel_en-US" xlink:label="lab_tlx_TelixTargetingTechnologiesInc.Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Telix Targeting Technologies, Inc.</link:label>
    <link:label id="lab_tlx_TelixTargetingTechnologiesInc.Member_label_en-US" xlink:label="lab_tlx_TelixTargetingTechnologiesInc.Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Telix Targeting Technologies, Inc. [Member]</link:label>
    <link:label id="lab_tlx_TelixTargetingTechnologiesInc.Member_documentation_en-US" xlink:label="lab_tlx_TelixTargetingTechnologiesInc.Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Telix Targeting Technologies, Inc.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_TelixTargetingTechnologiesInc.Member" xlink:href="tlx-20251231.xsd#tlx_TelixTargetingTechnologiesInc.Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_TelixTargetingTechnologiesInc.Member" xlink:to="lab_tlx_TelixTargetingTechnologiesInc.Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RetainedEarnings_019b0124-06b4-76b8-bf03-04400d6cd418_terseLabel_en-US" xlink:label="lab_ifrs-full_RetainedEarnings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accumulated losses</link:label>
    <link:label id="lab_ifrs-full_RetainedEarnings_019be0e2-bb86-76f6-9302-7ab03feaa202_verboseLabel_en-US" xlink:label="lab_ifrs-full_RetainedEarnings" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Retained earnings/(accumulated losses)</link:label>
    <link:label id="lab_ifrs-full_RetainedEarnings_label_en-US" xlink:label="lab_ifrs-full_RetainedEarnings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Retained earnings</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RetainedEarnings" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RetainedEarnings"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RetainedEarnings" xlink:to="lab_ifrs-full_RetainedEarnings" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AmountIncurredByEntityForProvisionOfKeyManagementPersonnelServicesProvidedBySeparateManagementEntity_019b0124-06b4-7db6-8b2d-bbe0cf34d3fd_terseLabel_en-US" xlink:label="lab_ifrs-full_AmountIncurredByEntityForProvisionOfKeyManagementPersonnelServicesProvidedBySeparateManagementEntity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Payment for provision of services in relation to business development</link:label>
    <link:label id="lab_ifrs-full_AmountIncurredByEntityForProvisionOfKeyManagementPersonnelServicesProvidedBySeparateManagementEntity_label_en-US" xlink:label="lab_ifrs-full_AmountIncurredByEntityForProvisionOfKeyManagementPersonnelServicesProvidedBySeparateManagementEntity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amount incurred by entity for provision of key management personnel services provided by separate management entity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AmountIncurredByEntityForProvisionOfKeyManagementPersonnelServicesProvidedBySeparateManagementEntity" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AmountIncurredByEntityForProvisionOfKeyManagementPersonnelServicesProvidedBySeparateManagementEntity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AmountIncurredByEntityForProvisionOfKeyManagementPersonnelServicesProvidedBySeparateManagementEntity" xlink:to="lab_ifrs-full_AmountIncurredByEntityForProvisionOfKeyManagementPersonnelServicesProvidedBySeparateManagementEntity" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_A10DecreaseInProbabilityOfSuccessMember_019c21d1-b88b-717d-834a-0423e351b3a4_terseLabel_en-US" xlink:label="lab_tlx_A10DecreaseInProbabilityOfSuccessMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">A 10% decrease in probability of success</link:label>
    <link:label id="lab_tlx_A10DecreaseInProbabilityOfSuccessMember_label_en-US" xlink:label="lab_tlx_A10DecreaseInProbabilityOfSuccessMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">10% Decrease In Probability Of Success [Member]</link:label>
    <link:label id="lab_tlx_A10DecreaseInProbabilityOfSuccessMember_documentation_en-US" xlink:label="lab_tlx_A10DecreaseInProbabilityOfSuccessMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">10% Decrease In Probability Of Success</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_A10DecreaseInProbabilityOfSuccessMember" xlink:href="tlx-20251231.xsd#tlx_A10DecreaseInProbabilityOfSuccessMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_A10DecreaseInProbabilityOfSuccessMember" xlink:to="lab_tlx_A10DecreaseInProbabilityOfSuccessMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory_019b0124-06b4-703b-9ff1-19ca3bbb2b8a_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Consideration Paid</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about business combination [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProvisionsForEmployeeBenefits_019be9a4-54fd-7963-9939-e20d7ae23e54_totalLabel_en-US" xlink:label="lab_ifrs-full_ProvisionsForEmployeeBenefits" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total employee benefit obligations</link:label>
    <link:label id="lab_ifrs-full_ProvisionsForEmployeeBenefits_label_en-US" xlink:label="lab_ifrs-full_ProvisionsForEmployeeBenefits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provisions for employee benefits</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProvisionsForEmployeeBenefits" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProvisionsForEmployeeBenefits"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProvisionsForEmployeeBenefits" xlink:to="lab_ifrs-full_ProvisionsForEmployeeBenefits" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BuildingsMember_019b0124-061c-7ffe-8d14-33fbe73108f1_terseLabel_en-US" xlink:label="lab_ifrs-full_BuildingsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Buildings</link:label>
    <link:label id="lab_ifrs-full_BuildingsMember_label_en-US" xlink:label="lab_ifrs-full_BuildingsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Buildings [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BuildingsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BuildingsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BuildingsMember" xlink:to="lab_ifrs-full_BuildingsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfRisksDomain_019b0124-061c-78c5-9e7e-240a2a5f3d26_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfRisksDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Types of risks [domain]</link:label>
    <link:label id="lab_ifrs-full_TypesOfRisksDomain_label_en-US" xlink:label="lab_ifrs-full_TypesOfRisksDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Types of risks [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfRisksDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfRisksDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfRisksDomain" xlink:to="lab_ifrs-full_TypesOfRisksDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_LeasePaymentsAbstract_019b0124-061c-7afb-9c20-c8d4a7bad648_terseLabel_en-US" xlink:label="lab_tlx_LeasePaymentsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lease Payments [Abstract]</link:label>
    <link:label id="lab_tlx_LeasePaymentsAbstract_label_en-US" xlink:label="lab_tlx_LeasePaymentsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lease payments [Abstract]</link:label>
    <link:label id="lab_tlx_LeasePaymentsAbstract_documentation_en-US" xlink:label="lab_tlx_LeasePaymentsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Lease payments [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_LeasePaymentsAbstract" xlink:href="tlx-20251231.xsd#tlx_LeasePaymentsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_LeasePaymentsAbstract" xlink:to="lab_tlx_LeasePaymentsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables_019b0124-061c-724b-9b98-31bdaf4d1fdf_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Increase in trade and other receivables</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for decrease (increase) in trade and other receivables</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables" xlink:to="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_AccruedRoyaltiesClassifiedAsCurrent_019b0124-06b4-7fb0-b986-367ae0157d92_terseLabel_en-US" xlink:label="lab_tlx_AccruedRoyaltiesClassifiedAsCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accrued royalties</link:label>
    <link:label id="lab_tlx_AccruedRoyaltiesClassifiedAsCurrent_label_en-US" xlink:label="lab_tlx_AccruedRoyaltiesClassifiedAsCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accrued Royalties Classified As Current</link:label>
    <link:label id="lab_tlx_AccruedRoyaltiesClassifiedAsCurrent_documentation_en-US" xlink:label="lab_tlx_AccruedRoyaltiesClassifiedAsCurrent" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of accrued royalties classified as current.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_AccruedRoyaltiesClassifiedAsCurrent" xlink:href="tlx-20251231.xsd#tlx_AccruedRoyaltiesClassifiedAsCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_AccruedRoyaltiesClassifiedAsCurrent" xlink:to="lab_tlx_AccruedRoyaltiesClassifiedAsCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_TelixPharmaceuticalsNZLimitedMember_019b0124-061c-75d2-a246-57c6d7451381_terseLabel_en-US" xlink:label="lab_tlx_TelixPharmaceuticalsNZLimitedMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Telix Pharmaceuticals (NZ) Limited</link:label>
    <link:label id="lab_tlx_TelixPharmaceuticalsNZLimitedMember_label_en-US" xlink:label="lab_tlx_TelixPharmaceuticalsNZLimitedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Telix Pharmaceuticals (NZ) Limited [Member]</link:label>
    <link:label id="lab_tlx_TelixPharmaceuticalsNZLimitedMember_documentation_en-US" xlink:label="lab_tlx_TelixPharmaceuticalsNZLimitedMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The name of the entity which is controlled by another entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_TelixPharmaceuticalsNZLimitedMember" xlink:href="tlx-20251231.xsd#tlx_TelixPharmaceuticalsNZLimitedMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_TelixPharmaceuticalsNZLimitedMember" xlink:to="lab_tlx_TelixPharmaceuticalsNZLimitedMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_TelixQSAMIncMember_019b0124-073c-7ae8-8c53-44d3671c4f9c_terseLabel_en-US" xlink:label="lab_tlx_TelixQSAMIncMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Telix QSAM, Inc.</link:label>
    <link:label id="lab_tlx_TelixQSAMIncMember_label_en-US" xlink:label="lab_tlx_TelixQSAMIncMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Telix QSAM, Inc. [Member]</link:label>
    <link:label id="lab_tlx_TelixQSAMIncMember_documentation_en-US" xlink:label="lab_tlx_TelixQSAMIncMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The name of the entity which is controlled by another entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_TelixQSAMIncMember" xlink:href="tlx-20251231.xsd#tlx_TelixQSAMIncMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_TelixQSAMIncMember" xlink:to="lab_tlx_TelixQSAMIncMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SignificantInvestmentsInSubsidiariesAxis_019b0124-061c-75d6-908e-ed6e73ca00da_terseLabel_en-US" xlink:label="lab_ifrs-full_SignificantInvestmentsInSubsidiariesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Subsidiaries [axis]</link:label>
    <link:label id="lab_ifrs-full_SignificantInvestmentsInSubsidiariesAxis_label_en-US" xlink:label="lab_ifrs-full_SignificantInvestmentsInSubsidiariesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subsidiaries [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SignificantInvestmentsInSubsidiariesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SignificantInvestmentsInSubsidiariesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SignificantInvestmentsInSubsidiariesAxis" xlink:to="lab_ifrs-full_SignificantInvestmentsInSubsidiariesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_TradeAndOtherPayablesAsOfAcquisitionDate_019be142-2ea7-79f0-9d34-a5a7996e06bf_negatedTerseLabel_en-US" xlink:label="lab_tlx_TradeAndOtherPayablesAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Trade and other payables</link:label>
    <link:label id="lab_tlx_TradeAndOtherPayablesAsOfAcquisitionDate_label_en-US" xlink:label="lab_tlx_TradeAndOtherPayablesAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trade And Other Payables As Of Acquisition Date</link:label>
    <link:label id="lab_tlx_TradeAndOtherPayablesAsOfAcquisitionDate_documentation_en-US" xlink:label="lab_tlx_TradeAndOtherPayablesAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Trade And Other Payables As Of Acquisition Date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_TradeAndOtherPayablesAsOfAcquisitionDate" xlink:href="tlx-20251231.xsd#tlx_TradeAndOtherPayablesAsOfAcquisitionDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_TradeAndOtherPayablesAsOfAcquisitionDate" xlink:to="lab_tlx_TradeAndOtherPayablesAsOfAcquisitionDate" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InterestPaidClassifiedAsOperatingActivities_019b0124-061c-7099-bd67-52d7a7f6bcb4_negatedLabel_en-US" xlink:label="lab_ifrs-full_InterestPaidClassifiedAsOperatingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Interest paid</link:label>
    <link:label id="lab_ifrs-full_InterestPaidClassifiedAsOperatingActivities_label_en-US" xlink:label="lab_ifrs-full_InterestPaidClassifiedAsOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest paid, classified as operating activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestPaidClassifiedAsOperatingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InterestPaidClassifiedAsOperatingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestPaidClassifiedAsOperatingActivities" xlink:to="lab_ifrs-full_InterestPaidClassifiedAsOperatingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_currency_JPY_019b0124-061c-7689-ae59-1e0893785038_terseLabel_en-US" xlink:label="lab_currency_JPY" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">JPY</link:label>
    <link:label id="lab_currency_JPY_label_en-US" xlink:label="lab_currency_JPY" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Japan, Yen</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_currency_JPY" xlink:href="https://xbrl.sec.gov/currency/2025/currency-2025.xsd#currency_JPY"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_currency_JPY" xlink:to="lab_currency_JPY" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_SettlementPeriodOfTradeAndOtherPayables_019b0124-06b4-79bb-8445-c16620a6f123_terseLabel_en-US" xlink:label="lab_tlx_SettlementPeriodOfTradeAndOtherPayables" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Settlement period of trade and other payables (in days)</link:label>
    <link:label id="lab_tlx_SettlementPeriodOfTradeAndOtherPayables_label_en-US" xlink:label="lab_tlx_SettlementPeriodOfTradeAndOtherPayables" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Settlement Period Of Trade And Other Payables</link:label>
    <link:label id="lab_tlx_SettlementPeriodOfTradeAndOtherPayables_documentation_en-US" xlink:label="lab_tlx_SettlementPeriodOfTradeAndOtherPayables" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The normal settlement period for trade and other payables, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_SettlementPeriodOfTradeAndOtherPayables" xlink:href="tlx-20251231.xsd#tlx_SettlementPeriodOfTradeAndOtherPayables"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_SettlementPeriodOfTradeAndOtherPayables" xlink:to="lab_tlx_SettlementPeriodOfTradeAndOtherPayables" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_NonCurrentIsotopeRawMaterials_019c3300-5469-7774-bde2-24850666e9f5_terseLabel_en-US" xlink:label="lab_tlx_NonCurrentIsotopeRawMaterials" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Isotope raw materials</link:label>
    <link:label id="lab_tlx_NonCurrentIsotopeRawMaterials_label_en-US" xlink:label="lab_tlx_NonCurrentIsotopeRawMaterials" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non Current Isotope Raw Materials</link:label>
    <link:label id="lab_tlx_NonCurrentIsotopeRawMaterials_documentation_en-US" xlink:label="lab_tlx_NonCurrentIsotopeRawMaterials" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Non Current Isotope Raw Materials</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_NonCurrentIsotopeRawMaterials" xlink:href="tlx-20251231.xsd#tlx_NonCurrentIsotopeRawMaterials"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_NonCurrentIsotopeRawMaterials" xlink:to="lab_tlx_NonCurrentIsotopeRawMaterials" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_TLX591PxIlluccixMember_019c7297-f013-75f0-bba4-b6a4771aae66_terseLabel_en-US" xlink:label="lab_tlx_TLX591PxIlluccixMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">TLX591-Px (Illuccix&#174;)</link:label>
    <link:label id="lab_tlx_TLX591PxIlluccixMember_label_en-US" xlink:label="lab_tlx_TLX591PxIlluccixMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">TLX591-Px (Illuccix) [Member]</link:label>
    <link:label id="lab_tlx_TLX591PxIlluccixMember_documentation_en-US" xlink:label="lab_tlx_TLX591PxIlluccixMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">TLX591-Px (Illuccix)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_TLX591PxIlluccixMember" xlink:href="tlx-20251231.xsd#tlx_TLX591PxIlluccixMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_TLX591PxIlluccixMember" xlink:to="lab_tlx_TLX591PxIlluccixMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_NumberOfShareOptionsExpiredAndForfeitedInShareBasedPaymentArrangement_019b0124-06b4-7f33-b2c7-fe1f71e1e0c9_negatedLabel_en-US" xlink:label="lab_tlx_NumberOfShareOptionsExpiredAndForfeitedInShareBasedPaymentArrangement" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Lapsed/forfeited during the year (in shares)</link:label>
    <link:label id="lab_tlx_NumberOfShareOptionsExpiredAndForfeitedInShareBasedPaymentArrangement_label_en-US" xlink:label="lab_tlx_NumberOfShareOptionsExpiredAndForfeitedInShareBasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of share options expired and forfeited in share-based payment arrangement</link:label>
    <link:label id="lab_tlx_NumberOfShareOptionsExpiredAndForfeitedInShareBasedPaymentArrangement_documentation_en-US" xlink:label="lab_tlx_NumberOfShareOptionsExpiredAndForfeitedInShareBasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The number of share options expired and forfeited in a share-based payment arrangement.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_NumberOfShareOptionsExpiredAndForfeitedInShareBasedPaymentArrangement" xlink:href="tlx-20251231.xsd#tlx_NumberOfShareOptionsExpiredAndForfeitedInShareBasedPaymentArrangement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_NumberOfShareOptionsExpiredAndForfeitedInShareBasedPaymentArrangement" xlink:to="lab_tlx_NumberOfShareOptionsExpiredAndForfeitedInShareBasedPaymentArrangement" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GeographicalAreasAxis_019b0124-06b4-7363-b168-08f7b2a62625_terseLabel_en-US" xlink:label="lab_ifrs-full_GeographicalAreasAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Geographical areas [axis]</link:label>
    <link:label id="lab_ifrs-full_GeographicalAreasAxis_label_en-US" xlink:label="lab_ifrs-full_GeographicalAreasAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Geographical areas [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GeographicalAreasAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GeographicalAreasAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GeographicalAreasAxis" xlink:to="lab_ifrs-full_GeographicalAreasAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_MilestoneAchievementProbabilityOfSuccessFactorMember_019b0124-073c-7123-904e-90a47aa3355f_terseLabel_en-US" xlink:label="lab_tlx_MilestoneAchievementProbabilityOfSuccessFactorMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Milestone achievement probability of success factor</link:label>
    <link:label id="lab_tlx_MilestoneAchievementProbabilityOfSuccessFactorMember_label_en-US" xlink:label="lab_tlx_MilestoneAchievementProbabilityOfSuccessFactorMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Milestone Achievement Probability Of Success Factor [Member]</link:label>
    <link:label id="lab_tlx_MilestoneAchievementProbabilityOfSuccessFactorMember_documentation_en-US" xlink:label="lab_tlx_MilestoneAchievementProbabilityOfSuccessFactorMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for milestone achievement probability of success factor used as a measurement input.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_MilestoneAchievementProbabilityOfSuccessFactorMember" xlink:href="tlx-20251231.xsd#tlx_MilestoneAchievementProbabilityOfSuccessFactorMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_MilestoneAchievementProbabilityOfSuccessFactorMember" xlink:to="lab_tlx_MilestoneAchievementProbabilityOfSuccessFactorMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_LeasedPlantAndEquipmentMember_019b0124-061c-77d1-aef9-0c6b0f834791_terseLabel_en-US" xlink:label="lab_tlx_LeasedPlantAndEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Leased plant and equipment</link:label>
    <link:label id="lab_tlx_LeasedPlantAndEquipmentMember_label_en-US" xlink:label="lab_tlx_LeasedPlantAndEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Leased Plant And Equipment [Member]</link:label>
    <link:label id="lab_tlx_LeasedPlantAndEquipmentMember_documentation_en-US" xlink:label="lab_tlx_LeasedPlantAndEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for leased plant and equipment.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_LeasedPlantAndEquipmentMember" xlink:href="tlx-20251231.xsd#tlx_LeasedPlantAndEquipmentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_LeasedPlantAndEquipmentMember" xlink:to="lab_tlx_LeasedPlantAndEquipmentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LiabilitiesArisingFromFinancingActivities_019b0124-06b3-772f-93bc-6f17a9599315_periodStartLabel_en-US" xlink:label="lab_ifrs-full_LiabilitiesArisingFromFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Opening balance</link:label>
    <link:label id="lab_ifrs-full_LiabilitiesArisingFromFinancingActivities_019b0124-06b3-7daa-bfcf-9d4ebe4f8885_periodEndLabel_en-US" xlink:label="lab_ifrs-full_LiabilitiesArisingFromFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Closing balance</link:label>
    <link:label id="lab_ifrs-full_LiabilitiesArisingFromFinancingActivities_label_en-US" xlink:label="lab_ifrs-full_LiabilitiesArisingFromFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities arising from financing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LiabilitiesArisingFromFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LiabilitiesArisingFromFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LiabilitiesArisingFromFinancingActivities" xlink:to="lab_ifrs-full_LiabilitiesArisingFromFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_TrancheDomain_019be695-e384-72b2-a130-988121144a89_terseLabel_en-US" xlink:label="lab_tlx_TrancheDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tranche [Domain]</link:label>
    <link:label id="lab_tlx_TrancheDomain_label_en-US" xlink:label="lab_tlx_TrancheDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tranche [Domain]</link:label>
    <link:label id="lab_tlx_TrancheDomain_documentation_en-US" xlink:label="lab_tlx_TrancheDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tranche [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_TrancheDomain" xlink:href="tlx-20251231.xsd#tlx_TrancheDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_TrancheDomain" xlink:to="lab_tlx_TrancheDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_SharesIssuedThroughExerciseOfShareOptionsAndWarrants_019b0124-061c-7a5a-9d22-5fe5cee224b7_terseLabel_en-US" xlink:label="lab_tlx_SharesIssuedThroughExerciseOfShareOptionsAndWarrants" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Shares issued through the exercise of share options and warrants</link:label>
    <link:label id="lab_tlx_SharesIssuedThroughExerciseOfShareOptionsAndWarrants_label_en-US" xlink:label="lab_tlx_SharesIssuedThroughExerciseOfShareOptionsAndWarrants" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Shares Issued Through Exercise Of Share Options And Warrants</link:label>
    <link:label id="lab_tlx_SharesIssuedThroughExerciseOfShareOptionsAndWarrants_documentation_en-US" xlink:label="lab_tlx_SharesIssuedThroughExerciseOfShareOptionsAndWarrants" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Value of shares issued as a result of the exercise of stock options and warrants.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_SharesIssuedThroughExerciseOfShareOptionsAndWarrants" xlink:href="tlx-20251231.xsd#tlx_SharesIssuedThroughExerciseOfShareOptionsAndWarrants"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_SharesIssuedThroughExerciseOfShareOptionsAndWarrants" xlink:to="lab_tlx_SharesIssuedThroughExerciseOfShareOptionsAndWarrants" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentLeaseLiabilities_019b0124-061c-7253-96c3-717b6645ef52_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lease liabilities</link:label>
    <link:label id="lab_ifrs-full_NoncurrentLeaseLiabilities_019b0124-061c-7703-8390-59a689ea6ee6_verboseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Non-current</link:label>
    <link:label id="lab_ifrs-full_NoncurrentLeaseLiabilities_label_en-US" xlink:label="lab_ifrs-full_NoncurrentLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-current lease liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentLeaseLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentLeaseLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentLeaseLiabilities" xlink:to="lab_ifrs-full_NoncurrentLeaseLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_NumberOfOptionsIssuedUnderEquityIncentivePlanAbstract_019b0124-073c-793a-97ad-b5ae65282ac4_terseLabel_en-US" xlink:label="lab_tlx_NumberOfOptionsIssuedUnderEquityIncentivePlanAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of options issued under EIP [Abstract]</link:label>
    <link:label id="lab_tlx_NumberOfOptionsIssuedUnderEquityIncentivePlanAbstract_label_en-US" xlink:label="lab_tlx_NumberOfOptionsIssuedUnderEquityIncentivePlanAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of options issued under equity incentive plan [Abstract]</link:label>
    <link:label id="lab_tlx_NumberOfOptionsIssuedUnderEquityIncentivePlanAbstract_documentation_en-US" xlink:label="lab_tlx_NumberOfOptionsIssuedUnderEquityIncentivePlanAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of options issued under equity incentive plan [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_NumberOfOptionsIssuedUnderEquityIncentivePlanAbstract" xlink:href="tlx-20251231.xsd#tlx_NumberOfOptionsIssuedUnderEquityIncentivePlanAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_NumberOfOptionsIssuedUnderEquityIncentivePlanAbstract" xlink:to="lab_tlx_NumberOfOptionsIssuedUnderEquityIncentivePlanAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DeferredTaxAssetsAndLiabilitiesAbstract_019b0124-073c-7917-8f9b-04f3ee9f3398_terseLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxAssetsAndLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred tax assets and liabilities [abstract]</link:label>
    <link:label id="lab_ifrs-full_DeferredTaxAssetsAndLiabilitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_DeferredTaxAssetsAndLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred tax assets and liabilities [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DeferredTaxAssetsAndLiabilitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DeferredTaxAssetsAndLiabilitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DeferredTaxAssetsAndLiabilitiesAbstract" xlink:to="lab_ifrs-full_DeferredTaxAssetsAndLiabilitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfRevenueFromContractsWithCustomersExplanatory_019b0124-061c-7186-a893-38f7fde88ab4_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfRevenueFromContractsWithCustomersExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Revenue from contracts with customers</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfRevenueFromContractsWithCustomersExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfRevenueFromContractsWithCustomersExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of revenue from contracts with customers [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfRevenueFromContractsWithCustomersExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfRevenueFromContractsWithCustomersExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfRevenueFromContractsWithCustomersExplanatory" xlink:to="lab_ifrs-full_DisclosureOfRevenueFromContractsWithCustomersExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityCommonStockSharesOutstanding_019b0124-06b3-77dc-b0c2-34139c15399e_terseLabel_en-US" xlink:label="lab_dei_EntityCommonStockSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Common Stock, Shares Outstanding</link:label>
    <link:label id="lab_dei_EntityCommonStockSharesOutstanding_label_en-US" xlink:label="lab_dei_EntityCommonStockSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Common Stock, Shares Outstanding</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCommonStockSharesOutstanding" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityCommonStockSharesOutstanding"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCommonStockSharesOutstanding" xlink:to="lab_dei_EntityCommonStockSharesOutstanding" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ScheduleOfDisclosureOfDeferredTaxAssetsTextBlock_019be9af-34ee-7371-a8c3-49030734c089_terseLabel_en-US" xlink:label="lab_tlx_ScheduleOfDisclosureOfDeferredTaxAssetsTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Deferred Tax Assets</link:label>
    <link:label id="lab_tlx_ScheduleOfDisclosureOfDeferredTaxAssetsTextBlock_label_en-US" xlink:label="lab_tlx_ScheduleOfDisclosureOfDeferredTaxAssetsTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Disclosure of Deferred Tax Assets [Text Block]</link:label>
    <link:label id="lab_tlx_ScheduleOfDisclosureOfDeferredTaxAssetsTextBlock_documentation_en-US" xlink:label="lab_tlx_ScheduleOfDisclosureOfDeferredTaxAssetsTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Disclosure of Deferred Tax Assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ScheduleOfDisclosureOfDeferredTaxAssetsTextBlock" xlink:href="tlx-20251231.xsd#tlx_ScheduleOfDisclosureOfDeferredTaxAssetsTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ScheduleOfDisclosureOfDeferredTaxAssetsTextBlock" xlink:to="lab_tlx_ScheduleOfDisclosureOfDeferredTaxAssetsTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_BorrowingsHolidayPeriodTerm_019b0124-06b3-77bb-9808-6e7d682e1a17_terseLabel_en-US" xlink:label="lab_tlx_BorrowingsHolidayPeriodTerm" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loan repayment period (in years)</link:label>
    <link:label id="lab_tlx_BorrowingsHolidayPeriodTerm_label_en-US" xlink:label="lab_tlx_BorrowingsHolidayPeriodTerm" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings Holiday Period, Term</link:label>
    <link:label id="lab_tlx_BorrowingsHolidayPeriodTerm_documentation_en-US" xlink:label="lab_tlx_BorrowingsHolidayPeriodTerm" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The repayment period of loan, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_BorrowingsHolidayPeriodTerm" xlink:href="tlx-20251231.xsd#tlx_BorrowingsHolidayPeriodTerm"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_BorrowingsHolidayPeriodTerm" xlink:to="lab_tlx_BorrowingsHolidayPeriodTerm" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ProvisionsForEmployeeBenefitsLongServiceLeave_019b0124-061c-7e4b-8d1f-2bf42e588f7c_terseLabel_en-US" xlink:label="lab_tlx_ProvisionsForEmployeeBenefitsLongServiceLeave" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long service leave</link:label>
    <link:label id="lab_tlx_ProvisionsForEmployeeBenefitsLongServiceLeave_label_en-US" xlink:label="lab_tlx_ProvisionsForEmployeeBenefitsLongServiceLeave" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provisions For Employee Benefits, Long Service Leave</link:label>
    <link:label id="lab_tlx_ProvisionsForEmployeeBenefitsLongServiceLeave_documentation_en-US" xlink:label="lab_tlx_ProvisionsForEmployeeBenefitsLongServiceLeave" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of non-current Long service leave employee benefit obligations.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ProvisionsForEmployeeBenefitsLongServiceLeave" xlink:href="tlx-20251231.xsd#tlx_ProvisionsForEmployeeBenefitsLongServiceLeave"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ProvisionsForEmployeeBenefitsLongServiceLeave" xlink:to="lab_tlx_ProvisionsForEmployeeBenefitsLongServiceLeave" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IntangibleAssetsOtherThanGoodwill_019b0124-06b3-7df4-9998-ce200733560d_terseLabel_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Intangible assets other than goodwill</link:label>
    <link:label id="lab_ifrs-full_IntangibleAssetsOtherThanGoodwill_label_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Intangible assets other than goodwill</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IntangibleAssetsOtherThanGoodwill" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IntangibleAssetsOtherThanGoodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IntangibleAssetsOtherThanGoodwill" xlink:to="lab_ifrs-full_IntangibleAssetsOtherThanGoodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentFinStmtErrorCorrectionFlag_019b0124-06b4-7b2f-b371-5d1013de592d_terseLabel_en-US" xlink:label="lab_dei_DocumentFinStmtErrorCorrectionFlag" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Financial Statement Error Correction [Flag]</link:label>
    <link:label id="lab_dei_DocumentFinStmtErrorCorrectionFlag_label_en-US" xlink:label="lab_dei_DocumentFinStmtErrorCorrectionFlag" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Financial Statement Error Correction [Flag]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFinStmtErrorCorrectionFlag" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentFinStmtErrorCorrectionFlag"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentFinStmtErrorCorrectionFlag" xlink:to="lab_dei_DocumentFinStmtErrorCorrectionFlag" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_IntellectualPropertiesMember_019b0124-061c-76c9-a560-96a4207e1d8b_terseLabel_en-US" xlink:label="lab_tlx_IntellectualPropertiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Intellectual property</link:label>
    <link:label id="lab_tlx_IntellectualPropertiesMember_label_en-US" xlink:label="lab_tlx_IntellectualPropertiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Intellectual Properties [Member]</link:label>
    <link:label id="lab_tlx_IntellectualPropertiesMember_documentation_en-US" xlink:label="lab_tlx_IntellectualPropertiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for a class of intellectual properties.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_IntellectualPropertiesMember" xlink:href="tlx-20251231.xsd#tlx_IntellectualPropertiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_IntellectualPropertiesMember" xlink:to="lab_tlx_IntellectualPropertiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SegmentsDomain_019b0124-061c-7b33-b19c-00aa4e522c5f_terseLabel_en-US" xlink:label="lab_ifrs-full_SegmentsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segments [domain]</link:label>
    <link:label id="lab_ifrs-full_SegmentsDomain_label_en-US" xlink:label="lab_ifrs-full_SegmentsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segments [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SegmentsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SegmentsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SegmentsDomain" xlink:to="lab_ifrs-full_SegmentsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_DisclosureOfDetailedInformationAboutTradeAndOtherReceivablesExplanatoryTableTextBlock_019b0124-061c-7f0d-9336-57d69c192eaa_verboseLabel_en-US" xlink:label="lab_tlx_DisclosureOfDetailedInformationAboutTradeAndOtherReceivablesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Trade and Other Receivables</link:label>
    <link:label id="lab_tlx_DisclosureOfDetailedInformationAboutTradeAndOtherReceivablesExplanatoryTableTextBlock_label_en-US" xlink:label="lab_tlx_DisclosureOfDetailedInformationAboutTradeAndOtherReceivablesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Trade And Other Receivables Explanatory [Table Text Block]</link:label>
    <link:label id="lab_tlx_DisclosureOfDetailedInformationAboutTradeAndOtherReceivablesExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_tlx_DisclosureOfDetailedInformationAboutTradeAndOtherReceivablesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of detailed information about trade and other receivables.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_DisclosureOfDetailedInformationAboutTradeAndOtherReceivablesExplanatoryTableTextBlock" xlink:href="tlx-20251231.xsd#tlx_DisclosureOfDetailedInformationAboutTradeAndOtherReceivablesExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_DisclosureOfDetailedInformationAboutTradeAndOtherReceivablesExplanatoryTableTextBlock" xlink:to="lab_tlx_DisclosureOfDetailedInformationAboutTradeAndOtherReceivablesExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashAndCashEquivalents_019b0124-061c-7f5b-b378-ac5b2a9930b3_terseLabel_en-US" xlink:label="lab_ifrs-full_CashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents</link:label>
    <link:label id="lab_ifrs-full_CashAndCashEquivalents_019b0124-061c-7c97-8ca3-1b222782fe5a_periodStartLabel_en-US" xlink:label="lab_ifrs-full_CashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents at the beginning of the financial year</link:label>
    <link:label id="lab_ifrs-full_CashAndCashEquivalents_019b0124-061c-7436-b195-15a4b318f816_periodEndLabel_en-US" xlink:label="lab_ifrs-full_CashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents at the end of the financial year</link:label>
    <link:label id="lab_ifrs-full_CashAndCashEquivalents_label_en-US" xlink:label="lab_ifrs-full_CashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashAndCashEquivalents" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashAndCashEquivalents"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashAndCashEquivalents" xlink:to="lab_ifrs-full_CashAndCashEquivalents" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_UnallocatedAmountsMember_019be8d9-f17b-7f94-a10f-2644c10b573a_verboseLabel_en-US" xlink:label="lab_ifrs-full_UnallocatedAmountsMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Unallocated income, expenses and eliminations:</link:label>
    <link:label id="lab_ifrs-full_UnallocatedAmountsMember_label_en-US" xlink:label="lab_ifrs-full_UnallocatedAmountsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unallocated amounts [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_UnallocatedAmountsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_UnallocatedAmountsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_UnallocatedAmountsMember" xlink:to="lab_ifrs-full_UnallocatedAmountsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_QualityCostsMember_019b45dd-9d51-7836-8756-c2e4f5934f66_terseLabel_en-US" xlink:label="lab_tlx_QualityCostsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Quality costs</link:label>
    <link:label id="lab_tlx_QualityCostsMember_label_en-US" xlink:label="lab_tlx_QualityCostsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Quality Costs [Member]</link:label>
    <link:label id="lab_tlx_QualityCostsMember_documentation_en-US" xlink:label="lab_tlx_QualityCostsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Quality Costs</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_QualityCostsMember" xlink:href="tlx-20251231.xsd#tlx_QualityCostsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_QualityCostsMember" xlink:to="lab_tlx_QualityCostsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentInformationTable_019b352d-ac18-7160-aae0-14a0e07b3f6f_terseLabel_en-US" xlink:label="lab_dei_DocumentInformationTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Information [Table]</link:label>
    <link:label id="lab_dei_DocumentInformationTable_label_en-US" xlink:label="lab_dei_DocumentInformationTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Information [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationTable" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentInformationTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentInformationTable" xlink:to="lab_dei_DocumentInformationTable" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_CurrentContingentConsideration_019b0124-06b3-71a4-8d89-be648585f4d1_terseLabel_en-US" xlink:label="lab_tlx_CurrentContingentConsideration" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contingent consideration</link:label>
    <link:label id="lab_tlx_CurrentContingentConsideration_019b0124-06b3-7fa4-96c6-f853ceee163f_verboseLabel_en-US" xlink:label="lab_tlx_CurrentContingentConsideration" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Current</link:label>
    <link:label id="lab_tlx_CurrentContingentConsideration_label_en-US" xlink:label="lab_tlx_CurrentContingentConsideration" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current Contingent Consideration</link:label>
    <link:label id="lab_tlx_CurrentContingentConsideration_documentation_en-US" xlink:label="lab_tlx_CurrentContingentConsideration" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of current contingent consideration.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_CurrentContingentConsideration" xlink:href="tlx-20251231.xsd#tlx_CurrentContingentConsideration"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_CurrentContingentConsideration" xlink:to="lab_tlx_CurrentContingentConsideration" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_DeferredTaxLiabilitiesGross_019b0124-061c-7f85-9641-3dace166b5c2_terseLabel_en-US" xlink:label="lab_tlx_DeferredTaxLiabilitiesGross" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total deferred tax liabilities</link:label>
    <link:label id="lab_tlx_DeferredTaxLiabilitiesGross_019b0124-061c-71c6-9c53-4feb06d0983a_periodStartLabel_en-US" xlink:label="lab_tlx_DeferredTaxLiabilitiesGross" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Balance at the beginning</link:label>
    <link:label id="lab_tlx_DeferredTaxLiabilitiesGross_019b0124-061c-7fc8-a67e-88090e40a0ad_periodEndLabel_en-US" xlink:label="lab_tlx_DeferredTaxLiabilitiesGross" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Balance at the end</link:label>
    <link:label id="lab_tlx_DeferredTaxLiabilitiesGross_label_en-US" xlink:label="lab_tlx_DeferredTaxLiabilitiesGross" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Liabilities Gross</link:label>
    <link:label id="lab_tlx_DeferredTaxLiabilitiesGross_documentation_en-US" xlink:label="lab_tlx_DeferredTaxLiabilitiesGross" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of deferred tax liabilities, before deferred tax liabilities attributable to taxable differences with provisions.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_DeferredTaxLiabilitiesGross" xlink:href="tlx-20251231.xsd#tlx_DeferredTaxLiabilitiesGross"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_DeferredTaxLiabilitiesGross" xlink:to="lab_tlx_DeferredTaxLiabilitiesGross" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_LeaseLiabilitiesRecognizedAsOfAcquisitionDate_019b0124-06b4-7064-85f6-18034d708599_negatedLabel_en-US" xlink:label="lab_tlx_LeaseLiabilitiesRecognizedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Lease liabilities</link:label>
    <link:label id="lab_tlx_LeaseLiabilitiesRecognizedAsOfAcquisitionDate_019b445d-faeb-79dd-b8ad-9b9bbcbe396e_negatedTerseLabel_en-US" xlink:label="lab_tlx_LeaseLiabilitiesRecognizedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Lease liabilities</link:label>
    <link:label id="lab_tlx_LeaseLiabilitiesRecognizedAsOfAcquisitionDate_label_en-US" xlink:label="lab_tlx_LeaseLiabilitiesRecognizedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lease Liabilities Recognized As Of Acquisition Date</link:label>
    <link:label id="lab_tlx_LeaseLiabilitiesRecognizedAsOfAcquisitionDate_documentation_en-US" xlink:label="lab_tlx_LeaseLiabilitiesRecognizedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount recognized as of the acquisition date for lease obligation assumed in a business combination.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_LeaseLiabilitiesRecognizedAsOfAcquisitionDate" xlink:href="tlx-20251231.xsd#tlx_LeaseLiabilitiesRecognizedAsOfAcquisitionDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_LeaseLiabilitiesRecognizedAsOfAcquisitionDate" xlink:to="lab_tlx_LeaseLiabilitiesRecognizedAsOfAcquisitionDate" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory_019b0124-06b4-7d2c-896f-f514cc0f9813_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Transactions with Other Related Parties</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of transactions between related parties [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory_019b0124-06b3-7618-be80-6a7c1e2e79da_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Borrowings</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about borrowings [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_country_US_019b0124-06b4-7f54-996e-f3fb2039879c_terseLabel_en-US" xlink:label="lab_country_US" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">United States</link:label>
    <link:label id="lab_country_US_019be0fe-71fa-7c7d-bf8b-a76f319531e6_verboseLabel_en-US" xlink:label="lab_country_US" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">USA</link:label>
    <link:label id="lab_country_US_label_en-US" xlink:label="lab_country_US" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">UNITED STATES</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_country_US" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_US"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_US" xlink:to="lab_country_US" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesOtherProvisions_019b0124-061c-79e3-8045-fd374826e843_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesOtherProvisions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exchange differences</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesOtherProvisions_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesOtherProvisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) through net exchange differences, other provisions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesOtherProvisions" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesOtherProvisions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesOtherProvisions" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesOtherProvisions" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ContingentConsideration_019b0124-06b4-7603-a3db-86287db2dc8a_periodStartLabel_en-US" xlink:label="lab_tlx_ContingentConsideration" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Beginning balance</link:label>
    <link:label id="lab_tlx_ContingentConsideration_019b0124-06b4-7b38-8829-43976ff86da4_periodEndLabel_en-US" xlink:label="lab_tlx_ContingentConsideration" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Ending balance</link:label>
    <link:label id="lab_tlx_ContingentConsideration_019b0124-06b4-7d17-8bb8-2d56674b7dd8_totalLabel_en-US" xlink:label="lab_tlx_ContingentConsideration" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total contingent consideration</link:label>
    <link:label id="lab_tlx_ContingentConsideration_019be602-c4fd-76a8-ad6b-0c1be582dfdc_negatedTerseLabel_en-US" xlink:label="lab_tlx_ContingentConsideration" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Contingent consideration</link:label>
    <link:label id="lab_tlx_ContingentConsideration_019b0124-06b4-7611-93a9-17abad63386e_terseLabel_en-US" xlink:label="lab_tlx_ContingentConsideration" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contingent consideration, carrying amount</link:label>
    <link:label id="lab_tlx_ContingentConsideration_label_en-US" xlink:label="lab_tlx_ContingentConsideration" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contingent Consideration</link:label>
    <link:label id="lab_tlx_ContingentConsideration_documentation_en-US" xlink:label="lab_tlx_ContingentConsideration" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Business acquisition amount of contingent consideration recognized.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ContingentConsideration" xlink:href="tlx-20251231.xsd#tlx_ContingentConsideration"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ContingentConsideration" xlink:to="lab_tlx_ContingentConsideration" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BusinessCombinationsAxis_019b0124-06b3-74c3-8f04-5310b47f6cd9_terseLabel_en-US" xlink:label="lab_ifrs-full_BusinessCombinationsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Business combinations [axis]</link:label>
    <link:label id="lab_ifrs-full_BusinessCombinationsAxis_label_en-US" xlink:label="lab_ifrs-full_BusinessCombinationsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business combinations [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BusinessCombinationsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BusinessCombinationsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BusinessCombinationsAxis" xlink:to="lab_ifrs-full_BusinessCombinationsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Provisions_019b0124-061c-7a1d-8c8b-3ab40873d27e_periodStartLabel_en-US" xlink:label="lab_ifrs-full_Provisions" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Beginning balance</link:label>
    <link:label id="lab_ifrs-full_Provisions_019b0124-061c-7143-9fac-acdefc4d1eb5_periodEndLabel_en-US" xlink:label="lab_ifrs-full_Provisions" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Ending balance</link:label>
    <link:label id="lab_ifrs-full_Provisions_019b0124-061c-75c7-b74a-cfccc0f52ac9_totalLabel_en-US" xlink:label="lab_ifrs-full_Provisions" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total provisions</link:label>
    <link:label id="lab_ifrs-full_Provisions_label_en-US" xlink:label="lab_ifrs-full_Provisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provisions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Provisions" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Provisions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Provisions" xlink:to="lab_ifrs-full_Provisions" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LandAndBuildingsMember_019b0124-061c-76dd-9c75-79d2efdce7cc_terseLabel_en-US" xlink:label="lab_ifrs-full_LandAndBuildingsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Land and buildings</link:label>
    <link:label id="lab_ifrs-full_LandAndBuildingsMember_019b0124-061c-7ae8-ab14-2e38ece20361_verboseLabel_en-US" xlink:label="lab_ifrs-full_LandAndBuildingsMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Properties</link:label>
    <link:label id="lab_ifrs-full_LandAndBuildingsMember_label_en-US" xlink:label="lab_ifrs-full_LandAndBuildingsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Land and buildings [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LandAndBuildingsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LandAndBuildingsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LandAndBuildingsMember" xlink:to="lab_ifrs-full_LandAndBuildingsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BusinessCombinationsDomain_019b0124-055d-75e2-9d19-9d1b8eb3cb82_terseLabel_en-US" xlink:label="lab_ifrs-full_BusinessCombinationsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Business combinations [domain]</link:label>
    <link:label id="lab_ifrs-full_BusinessCombinationsDomain_label_en-US" xlink:label="lab_ifrs-full_BusinessCombinationsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business combinations [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BusinessCombinationsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BusinessCombinationsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BusinessCombinationsDomain" xlink:to="lab_ifrs-full_BusinessCombinationsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AcquisitionsThroughBusinessCombinationsRightofuseAssets_019b0124-06b3-770e-87ad-468e51661388_terseLabel_en-US" xlink:label="lab_ifrs-full_AcquisitionsThroughBusinessCombinationsRightofuseAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Acquisition of businesses</link:label>
    <link:label id="lab_ifrs-full_AcquisitionsThroughBusinessCombinationsRightofuseAssets_label_en-US" xlink:label="lab_ifrs-full_AcquisitionsThroughBusinessCombinationsRightofuseAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Acquisitions through business combinations, right-of-use assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AcquisitionsThroughBusinessCombinationsRightofuseAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AcquisitionsThroughBusinessCombinationsRightofuseAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AcquisitionsThroughBusinessCombinationsRightofuseAssets" xlink:to="lab_ifrs-full_AcquisitionsThroughBusinessCombinationsRightofuseAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_A10ReductionInFutureCashInflowsMember_019c21d3-5384-740a-b78f-09433c1a3c9a_terseLabel_en-US" xlink:label="lab_tlx_A10ReductionInFutureCashInflowsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">A 10% reduction in future cash inflows</link:label>
    <link:label id="lab_tlx_A10ReductionInFutureCashInflowsMember_label_en-US" xlink:label="lab_tlx_A10ReductionInFutureCashInflowsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">10% Reduction In Future Cash Inflows [Member]</link:label>
    <link:label id="lab_tlx_A10ReductionInFutureCashInflowsMember_documentation_en-US" xlink:label="lab_tlx_A10ReductionInFutureCashInflowsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">10% Reduction In Future Cash Inflows</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_A10ReductionInFutureCashInflowsMember" xlink:href="tlx-20251231.xsd#tlx_A10ReductionInFutureCashInflowsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_A10ReductionInFutureCashInflowsMember" xlink:to="lab_tlx_A10ReductionInFutureCashInflowsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CostOfInventoriesRecognisedAsExpenseDuringPeriod_019b0124-06b3-71c3-b02f-0124a38f7e31_terseLabel_en-US" xlink:label="lab_ifrs-full_CostOfInventoriesRecognisedAsExpenseDuringPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cost of inventories recognised as expense during period</link:label>
    <link:label id="lab_ifrs-full_CostOfInventoriesRecognisedAsExpenseDuringPeriod_label_en-US" xlink:label="lab_ifrs-full_CostOfInventoriesRecognisedAsExpenseDuringPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cost of inventories recognised as expense during period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CostOfInventoriesRecognisedAsExpenseDuringPeriod" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CostOfInventoriesRecognisedAsExpenseDuringPeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CostOfInventoriesRecognisedAsExpenseDuringPeriod" xlink:to="lab_ifrs-full_CostOfInventoriesRecognisedAsExpenseDuringPeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_ProductsAndServicesDomain_019bfca1-2e8f-73ae-9671-94b339d971e4_terseLabel_en-US" xlink:label="lab_srt_ProductsAndServicesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Product and Service [Domain]</link:label>
    <link:label id="lab_srt_ProductsAndServicesDomain_label_en-US" xlink:label="lab_srt_ProductsAndServicesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Product and Service [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ProductsAndServicesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ProductsAndServicesDomain" xlink:to="lab_srt_ProductsAndServicesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_EmployeeBenefitObligationsMember_019b0124-061c-7bdf-a34b-917d76f3487f_terseLabel_en-US" xlink:label="lab_tlx_EmployeeBenefitObligationsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Employee benefit obligations</link:label>
    <link:label id="lab_tlx_EmployeeBenefitObligationsMember_019be917-0ae3-7b66-94d6-c621845f7d89_verboseLabel_en-US" xlink:label="lab_tlx_EmployeeBenefitObligationsMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Temporary differences in relation to employee benefit obligations</link:label>
    <link:label id="lab_tlx_EmployeeBenefitObligationsMember_label_en-US" xlink:label="lab_tlx_EmployeeBenefitObligationsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employee Benefit Obligations [Member]</link:label>
    <link:label id="lab_tlx_EmployeeBenefitObligationsMember_documentation_en-US" xlink:label="lab_tlx_EmployeeBenefitObligationsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for employee benefit obligations.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_EmployeeBenefitObligationsMember" xlink:href="tlx-20251231.xsd#tlx_EmployeeBenefitObligationsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_EmployeeBenefitObligationsMember" xlink:to="lab_tlx_EmployeeBenefitObligationsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_RLSUSAIncMember_019b0124-061c-78ee-8004-6662638b3a28_terseLabel_en-US" xlink:label="lab_tlx_RLSUSAIncMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">RLS (USA), Inc.</link:label>
    <link:label id="lab_tlx_RLSUSAIncMember_label_en-US" xlink:label="lab_tlx_RLSUSAIncMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">RLS (USA) Inc [Member]</link:label>
    <link:label id="lab_tlx_RLSUSAIncMember_documentation_en-US" xlink:label="lab_tlx_RLSUSAIncMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Name of the entity controlled by another entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_RLSUSAIncMember" xlink:href="tlx-20251231.xsd#tlx_RLSUSAIncMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_RLSUSAIncMember" xlink:to="lab_tlx_RLSUSAIncMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_GrandPharmaceuticalGroupLimitedMember_019b0124-06b3-7e94-8b85-6a97f2957c24_terseLabel_en-US" xlink:label="lab_tlx_GrandPharmaceuticalGroupLimitedMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Grand Pharmaceutical Group Limited [Member]</link:label>
    <link:label id="lab_tlx_GrandPharmaceuticalGroupLimitedMember_label_en-US" xlink:label="lab_tlx_GrandPharmaceuticalGroupLimitedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Grand pharmaceutical group limited [Member]</link:label>
    <link:label id="lab_tlx_GrandPharmaceuticalGroupLimitedMember_documentation_en-US" xlink:label="lab_tlx_GrandPharmaceuticalGroupLimitedMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The Group entered into a strategic commercial partnership with Grand Pharmaceutical Group Limited (Grand Pharma or GP, formerly known as China Grand Pharma or CGP) for the Group's portfolio of targeted radiation products.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_GrandPharmaceuticalGroupLimitedMember" xlink:href="tlx-20251231.xsd#tlx_GrandPharmaceuticalGroupLimitedMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_GrandPharmaceuticalGroupLimitedMember" xlink:to="lab_tlx_GrandPharmaceuticalGroupLimitedMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_DeferredTaxAssetGross_019b3ac1-fa31-7018-bcda-0a0aaa3645ea_verboseLabel_en-US" xlink:label="lab_tlx_DeferredTaxAssetGross" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Total deferred tax assets</link:label>
    <link:label id="lab_tlx_DeferredTaxAssetGross_019b0124-061c-79f1-aaac-9e3b4aec2658_periodStartLabel_en-US" xlink:label="lab_tlx_DeferredTaxAssetGross" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Balance at the beginning</link:label>
    <link:label id="lab_tlx_DeferredTaxAssetGross_019b0124-061c-77f7-96e7-d5cc1f7c77b6_periodEndLabel_en-US" xlink:label="lab_tlx_DeferredTaxAssetGross" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Balance at the end</link:label>
    <link:label id="lab_tlx_DeferredTaxAssetGross_label_en-US" xlink:label="lab_tlx_DeferredTaxAssetGross" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Asset Gross</link:label>
    <link:label id="lab_tlx_DeferredTaxAssetGross_documentation_en-US" xlink:label="lab_tlx_DeferredTaxAssetGross" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of deferred tax assets, before deferred tax asset attributable to taxable differences with provisions.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_DeferredTaxAssetGross" xlink:href="tlx-20251231.xsd#tlx_DeferredTaxAssetGross"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_DeferredTaxAssetGross" xlink:to="lab_tlx_DeferredTaxAssetGross" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DepreciationExpense_019b0124-061c-74a8-890c-285f73905de2_terseLabel_en-US" xlink:label="lab_ifrs-full_DepreciationExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Depreciation</link:label>
    <link:label id="lab_ifrs-full_DepreciationExpense_label_en-US" xlink:label="lab_ifrs-full_DepreciationExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Depreciation expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DepreciationExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DepreciationExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DepreciationExpense" xlink:to="lab_ifrs-full_DepreciationExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_WeightedAverageExercisePriceOfShareOptionsVestedAndExercisableInShareBasedPaymentArrangement_019b0124-06b4-7dda-81c4-994d3f0d5c96_periodEndLabel_en-US" xlink:label="lab_tlx_WeightedAverageExercisePriceOfShareOptionsVestedAndExercisableInShareBasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Vested and exercisable (in AUD/USD per share)</link:label>
    <link:label id="lab_tlx_WeightedAverageExercisePriceOfShareOptionsVestedAndExercisableInShareBasedPaymentArrangement_label_en-US" xlink:label="lab_tlx_WeightedAverageExercisePriceOfShareOptionsVestedAndExercisableInShareBasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted Average Exercise Price Of Share Options Vested And Exercisable In Share-Based Payment Arrangement</link:label>
    <link:label id="lab_tlx_WeightedAverageExercisePriceOfShareOptionsVestedAndExercisableInShareBasedPaymentArrangement_documentation_en-US" xlink:label="lab_tlx_WeightedAverageExercisePriceOfShareOptionsVestedAndExercisableInShareBasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The weighted average exercise price of share options vested and exercisable in a share-based payment arrangement.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_WeightedAverageExercisePriceOfShareOptionsVestedAndExercisableInShareBasedPaymentArrangement" xlink:href="tlx-20251231.xsd#tlx_WeightedAverageExercisePriceOfShareOptionsVestedAndExercisableInShareBasedPaymentArrangement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_WeightedAverageExercisePriceOfShareOptionsVestedAndExercisableInShareBasedPaymentArrangement" xlink:to="lab_tlx_WeightedAverageExercisePriceOfShareOptionsVestedAndExercisableInShareBasedPaymentArrangement" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ContingentConsiderationCovenantSalesVolumesAndOutstandingBalanceSettled_019c44d3-edcc-7d0d-94de-9320cf07cbd3_terseLabel_en-US" xlink:label="lab_tlx_ContingentConsiderationCovenantSalesVolumesAndOutstandingBalanceSettled" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contingent consideration covenant, sales volumes and outstanding balance settled</link:label>
    <link:label id="lab_tlx_ContingentConsiderationCovenantSalesVolumesAndOutstandingBalanceSettled_label_en-US" xlink:label="lab_tlx_ContingentConsiderationCovenantSalesVolumesAndOutstandingBalanceSettled" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contingent Consideration Covenant, Sales Volumes And Outstanding Balance Settled</link:label>
    <link:label id="lab_tlx_ContingentConsiderationCovenantSalesVolumesAndOutstandingBalanceSettled_documentation_en-US" xlink:label="lab_tlx_ContingentConsiderationCovenantSalesVolumesAndOutstandingBalanceSettled" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Contingent Consideration Covenant, Sales Volumes And Outstanding Balance Settled</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ContingentConsiderationCovenantSalesVolumesAndOutstandingBalanceSettled" xlink:href="tlx-20251231.xsd#tlx_ContingentConsiderationCovenantSalesVolumesAndOutstandingBalanceSettled"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ContingentConsiderationCovenantSalesVolumesAndOutstandingBalanceSettled" xlink:to="lab_tlx_ContingentConsiderationCovenantSalesVolumesAndOutstandingBalanceSettled" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionTable_019b45db-3ac0-703f-8887-edba66935cf1_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of attribution of expenses by nature to their function [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of attribution of expenses by nature to their function [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionTable" xlink:to="lab_ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MaturityAnalysisForNonderivativeFinancialLiabilities_019b0124-061c-7937-8a0a-05eaf643a9a2_terseLabel_en-US" xlink:label="lab_ifrs-full_MaturityAnalysisForNonderivativeFinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contractual Maturity of Financial Instrument Liabilities</link:label>
    <link:label id="lab_ifrs-full_MaturityAnalysisForNonderivativeFinancialLiabilities_label_en-US" xlink:label="lab_ifrs-full_MaturityAnalysisForNonderivativeFinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of maturity analysis for non-derivative financial liabilities [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MaturityAnalysisForNonderivativeFinancialLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MaturityAnalysisForNonderivativeFinancialLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MaturityAnalysisForNonderivativeFinancialLiabilities" xlink:to="lab_ifrs-full_MaturityAnalysisForNonderivativeFinancialLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NumberOfShareOptionsExpiredInSharebasedPaymentArrangement_019b0124-06b3-7e82-af71-a9387b1a44ae_negatedLabel_en-US" xlink:label="lab_ifrs-full_NumberOfShareOptionsExpiredInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Lapsed during the year (in shares)</link:label>
    <link:label id="lab_ifrs-full_NumberOfShareOptionsExpiredInSharebasedPaymentArrangement_label_en-US" xlink:label="lab_ifrs-full_NumberOfShareOptionsExpiredInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of share options expired in share-based payment arrangement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfShareOptionsExpiredInSharebasedPaymentArrangement" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NumberOfShareOptionsExpiredInSharebasedPaymentArrangement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfShareOptionsExpiredInSharebasedPaymentArrangement" xlink:to="lab_ifrs-full_NumberOfShareOptionsExpiredInSharebasedPaymentArrangement" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_DisclosureOfDetailedInformationAboutOtherCurrentAssetsTableTextBlock_019b0124-06b4-74d8-a92f-8de86f5c74ed_terseLabel_en-US" xlink:label="lab_tlx_DisclosureOfDetailedInformationAboutOtherCurrentAssetsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Other Current Assets</link:label>
    <link:label id="lab_tlx_DisclosureOfDetailedInformationAboutOtherCurrentAssetsTableTextBlock_label_en-US" xlink:label="lab_tlx_DisclosureOfDetailedInformationAboutOtherCurrentAssetsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Other Current Assets [Table Text Block]</link:label>
    <link:label id="lab_tlx_DisclosureOfDetailedInformationAboutOtherCurrentAssetsTableTextBlock_documentation_en-US" xlink:label="lab_tlx_DisclosureOfDetailedInformationAboutOtherCurrentAssetsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of detailed information about other current assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_DisclosureOfDetailedInformationAboutOtherCurrentAssetsTableTextBlock" xlink:href="tlx-20251231.xsd#tlx_DisclosureOfDetailedInformationAboutOtherCurrentAssetsTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_DisclosureOfDetailedInformationAboutOtherCurrentAssetsTableTextBlock" xlink:to="lab_tlx_DisclosureOfDetailedInformationAboutOtherCurrentAssetsTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ShorttermEmployeeBenefitsAccruals_019b0124-073c-7997-9b4d-7fdf1c548d05_terseLabel_en-US" xlink:label="lab_ifrs-full_ShorttermEmployeeBenefitsAccruals" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Payroll liabilities</link:label>
    <link:label id="lab_ifrs-full_ShorttermEmployeeBenefitsAccruals_label_en-US" xlink:label="lab_ifrs-full_ShorttermEmployeeBenefitsAccruals" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Short-term employee benefits accruals</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ShorttermEmployeeBenefitsAccruals" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ShorttermEmployeeBenefitsAccruals"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ShorttermEmployeeBenefitsAccruals" xlink:to="lab_ifrs-full_ShorttermEmployeeBenefitsAccruals" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_DisclosureOfOperatingLeasePaymentsTextBlock_019b0124-061c-7fc3-b05c-d6099c83eca0_terseLabel_en-US" xlink:label="lab_tlx_DisclosureOfOperatingLeasePaymentsTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Lease Payments</link:label>
    <link:label id="lab_tlx_DisclosureOfOperatingLeasePaymentsTextBlock_label_en-US" xlink:label="lab_tlx_DisclosureOfOperatingLeasePaymentsTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Operating Lease Payments [Text Block]</link:label>
    <link:label id="lab_tlx_DisclosureOfOperatingLeasePaymentsTextBlock_documentation_en-US" xlink:label="lab_tlx_DisclosureOfOperatingLeasePaymentsTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of information about operating lease liabilities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_DisclosureOfOperatingLeasePaymentsTextBlock" xlink:href="tlx-20251231.xsd#tlx_DisclosureOfOperatingLeasePaymentsTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_DisclosureOfOperatingLeasePaymentsTextBlock" xlink:to="lab_tlx_DisclosureOfOperatingLeasePaymentsTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_DisclosureOfDetailedInformationAboutEmploymentCostsTextBlock_019b0124-073c-73a4-befc-fc1687c3c401_terseLabel_en-US" xlink:label="lab_tlx_DisclosureOfDetailedInformationAboutEmploymentCostsTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Employment Costs</link:label>
    <link:label id="lab_tlx_DisclosureOfDetailedInformationAboutEmploymentCostsTextBlock_label_en-US" xlink:label="lab_tlx_DisclosureOfDetailedInformationAboutEmploymentCostsTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Employment Costs [Text Block]</link:label>
    <link:label id="lab_tlx_DisclosureOfDetailedInformationAboutEmploymentCostsTextBlock_documentation_en-US" xlink:label="lab_tlx_DisclosureOfDetailedInformationAboutEmploymentCostsTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of detailed information about employment costs.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_DisclosureOfDetailedInformationAboutEmploymentCostsTextBlock" xlink:href="tlx-20251231.xsd#tlx_DisclosureOfDetailedInformationAboutEmploymentCostsTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_DisclosureOfDetailedInformationAboutEmploymentCostsTextBlock" xlink:to="lab_tlx_DisclosureOfDetailedInformationAboutEmploymentCostsTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_TelixPharmaceuticalsUKLtdMember_019b0124-06b4-712e-947e-b8d7e501c989_terseLabel_en-US" xlink:label="lab_tlx_TelixPharmaceuticalsUKLtdMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Telix Pharmaceuticals (UK) Ltd</link:label>
    <link:label id="lab_tlx_TelixPharmaceuticalsUKLtdMember_label_en-US" xlink:label="lab_tlx_TelixPharmaceuticalsUKLtdMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Telix Pharmaceuticals (UK) Ltd [Member]</link:label>
    <link:label id="lab_tlx_TelixPharmaceuticalsUKLtdMember_documentation_en-US" xlink:label="lab_tlx_TelixPharmaceuticalsUKLtdMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The name of the entity which is controlled by another entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_TelixPharmaceuticalsUKLtdMember" xlink:href="tlx-20251231.xsd#tlx_TelixPharmaceuticalsUKLtdMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_TelixPharmaceuticalsUKLtdMember" xlink:to="lab_tlx_TelixPharmaceuticalsUKLtdMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_CityAreaCode_019b0124-06b4-7e37-b770-2f503a14d07d_terseLabel_en-US" xlink:label="lab_dei_CityAreaCode" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">City Area Code</link:label>
    <link:label id="lab_dei_CityAreaCode_label_en-US" xlink:label="lab_dei_CityAreaCode" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">City Area Code</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CityAreaCode"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_CityAreaCode" xlink:to="lab_dei_CityAreaCode" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ScheduleOfDisclosureOfDepreciationAndAmortizationTextBlock_019be9ab-fdca-706d-a674-e5116cd0e4ed_terseLabel_en-US" xlink:label="lab_tlx_ScheduleOfDisclosureOfDepreciationAndAmortizationTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Depreciation and Amortization</link:label>
    <link:label id="lab_tlx_ScheduleOfDisclosureOfDepreciationAndAmortizationTextBlock_label_en-US" xlink:label="lab_tlx_ScheduleOfDisclosureOfDepreciationAndAmortizationTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Disclosure of Depreciation And Amortization [Text Block]</link:label>
    <link:label id="lab_tlx_ScheduleOfDisclosureOfDepreciationAndAmortizationTextBlock_documentation_en-US" xlink:label="lab_tlx_ScheduleOfDisclosureOfDepreciationAndAmortizationTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule Of Disclosure of Depreciation And Amortization</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ScheduleOfDisclosureOfDepreciationAndAmortizationTextBlock" xlink:href="tlx-20251231.xsd#tlx_ScheduleOfDisclosureOfDepreciationAndAmortizationTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ScheduleOfDisclosureOfDepreciationAndAmortizationTextBlock" xlink:to="lab_tlx_ScheduleOfDisclosureOfDepreciationAndAmortizationTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForContingentLiabilitiesAndContingentAssetsExplanatory_019b0124-061c-7a62-95c7-26d21d6c7809_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForContingentLiabilitiesAndContingentAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contingent consideration</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForContingentLiabilitiesAndContingentAssetsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForContingentLiabilitiesAndContingentAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for contingent liabilities and contingent assets [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForContingentLiabilitiesAndContingentAssetsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForContingentLiabilitiesAndContingentAssetsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForContingentLiabilitiesAndContingentAssetsExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForContingentLiabilitiesAndContingentAssetsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_DisclosureOfEmploymentCostsExplanatoryTextBlock_019b0124-06b4-72c6-840d-4b33ae27f6f5_terseLabel_en-US" xlink:label="lab_tlx_DisclosureOfEmploymentCostsExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Employment costs</link:label>
    <link:label id="lab_tlx_DisclosureOfEmploymentCostsExplanatoryTextBlock_label_en-US" xlink:label="lab_tlx_DisclosureOfEmploymentCostsExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Employment Costs Explanatory [Text Block]</link:label>
    <link:label id="lab_tlx_DisclosureOfEmploymentCostsExplanatoryTextBlock_documentation_en-US" xlink:label="lab_tlx_DisclosureOfEmploymentCostsExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The entire disclosure for employment costs.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_DisclosureOfEmploymentCostsExplanatoryTextBlock" xlink:href="tlx-20251231.xsd#tlx_DisclosureOfEmploymentCostsExplanatoryTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_DisclosureOfEmploymentCostsExplanatoryTextBlock" xlink:to="lab_tlx_DisclosureOfEmploymentCostsExplanatoryTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ContingentConsiderationChargedToProfitOrLoss_019c54ea-36a8-7643-b2ec-ae19ee28154d_totalLabel_en-US" xlink:label="lab_tlx_ContingentConsiderationChargedToProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Charged to profit or loss</link:label>
    <link:label id="lab_tlx_ContingentConsiderationChargedToProfitOrLoss_label_en-US" xlink:label="lab_tlx_ContingentConsiderationChargedToProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contingent Consideration Charged To Profit Or Loss</link:label>
    <link:label id="lab_tlx_ContingentConsiderationChargedToProfitOrLoss_documentation_en-US" xlink:label="lab_tlx_ContingentConsiderationChargedToProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of contingent consideration charged to profit or loss during the year.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ContingentConsiderationChargedToProfitOrLoss" xlink:href="tlx-20251231.xsd#tlx_ContingentConsiderationChargedToProfitOrLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ContingentConsiderationChargedToProfitOrLoss" xlink:to="lab_tlx_ContingentConsiderationChargedToProfitOrLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_currency_USD_019b0124-061c-752c-9af8-fdd6c8fe9db1_terseLabel_en-US" xlink:label="lab_currency_USD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">USD</link:label>
    <link:label id="lab_currency_USD_label_en-US" xlink:label="lab_currency_USD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">United States of America, Dollars</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_currency_USD" xlink:href="https://xbrl.sec.gov/currency/2025/currency-2025.xsd#currency_USD"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_currency_USD" xlink:to="lab_currency_USD" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DilutedEarningsPerShareAbstract_019b0124-06b3-7159-92d5-6f8f5fc55ac9_terseLabel_en-US" xlink:label="lab_ifrs-full_DilutedEarningsPerShareAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Diluted earnings per share [abstract]</link:label>
    <link:label id="lab_ifrs-full_DilutedEarningsPerShareAbstract_label_en-US" xlink:label="lab_ifrs-full_DilutedEarningsPerShareAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Diluted earnings per share [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DilutedEarningsPerShareAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DilutedEarningsPerShareAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DilutedEarningsPerShareAbstract" xlink:to="lab_ifrs-full_DilutedEarningsPerShareAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_TelixPharmaceuticalsHoldingsPtyLimitedMember_019b0124-055d-7db5-9f9d-9e4a9eb54180_terseLabel_en-US" xlink:label="lab_tlx_TelixPharmaceuticalsHoldingsPtyLimitedMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Telix Pharmaceuticals Holdings Pty Limited</link:label>
    <link:label id="lab_tlx_TelixPharmaceuticalsHoldingsPtyLimitedMember_label_en-US" xlink:label="lab_tlx_TelixPharmaceuticalsHoldingsPtyLimitedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Telix Pharmaceuticals Holdings Pty Limited [Member]</link:label>
    <link:label id="lab_tlx_TelixPharmaceuticalsHoldingsPtyLimitedMember_documentation_en-US" xlink:label="lab_tlx_TelixPharmaceuticalsHoldingsPtyLimitedMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The name of the entity which is controlled by another entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_TelixPharmaceuticalsHoldingsPtyLimitedMember" xlink:href="tlx-20251231.xsd#tlx_TelixPharmaceuticalsHoldingsPtyLimitedMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_TelixPharmaceuticalsHoldingsPtyLimitedMember" xlink:to="lab_tlx_TelixPharmaceuticalsHoldingsPtyLimitedMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_TelixPharmaceuticalsSwitzerlandGmbHMember_019b0124-061c-75f1-b81c-5555c54c3d64_terseLabel_en-US" xlink:label="lab_tlx_TelixPharmaceuticalsSwitzerlandGmbHMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Telix Pharmaceuticals (Switzerland) GmbH</link:label>
    <link:label id="lab_tlx_TelixPharmaceuticalsSwitzerlandGmbHMember_label_en-US" xlink:label="lab_tlx_TelixPharmaceuticalsSwitzerlandGmbHMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Telix Pharmaceuticals (Switzerland) GmbH [Member]</link:label>
    <link:label id="lab_tlx_TelixPharmaceuticalsSwitzerlandGmbHMember_documentation_en-US" xlink:label="lab_tlx_TelixPharmaceuticalsSwitzerlandGmbHMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The name of the entity which is controlled by another entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_TelixPharmaceuticalsSwitzerlandGmbHMember" xlink:href="tlx-20251231.xsd#tlx_TelixPharmaceuticalsSwitzerlandGmbHMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_TelixPharmaceuticalsSwitzerlandGmbHMember" xlink:to="lab_tlx_TelixPharmaceuticalsSwitzerlandGmbHMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment_019b0124-061c-7e60-9cf0-df7861f2da31_terseLabel_en-US" xlink:label="lab_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Useful lives of assets (in years)</link:label>
    <link:label id="lab_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment_label_en-US" xlink:label="lab_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Useful life measured as period of time, property, plant and equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment" xlink:to="lab_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfInstrumentsWithPotentialFutureDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShareTable_019b3a57-676c-74f9-a4b2-f96575598d31_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfInstrumentsWithPotentialFutureDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShareTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of instruments with potential future dilutive effect not included in calculation of diluted earnings per share [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfInstrumentsWithPotentialFutureDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShareTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfInstrumentsWithPotentialFutureDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShareTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of instruments with potential future dilutive effect not included in calculation of diluted earnings per share [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfInstrumentsWithPotentialFutureDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShareTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfInstrumentsWithPotentialFutureDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShareTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfInstrumentsWithPotentialFutureDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShareTable" xlink:to="lab_ifrs-full_DisclosureOfInstrumentsWithPotentialFutureDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShareTable" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_FairValueAdjustmentRadioPharmacyLicenses_019b4424-e524-759e-9edb-97d0164d139d_terseLabel_en-US" xlink:label="lab_tlx_FairValueAdjustmentRadioPharmacyLicenses" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Radiopharmacy licenses</link:label>
    <link:label id="lab_tlx_FairValueAdjustmentRadioPharmacyLicenses_label_en-US" xlink:label="lab_tlx_FairValueAdjustmentRadioPharmacyLicenses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Adjustment, Radio Pharmacy Licenses</link:label>
    <link:label id="lab_tlx_FairValueAdjustmentRadioPharmacyLicenses_documentation_en-US" xlink:label="lab_tlx_FairValueAdjustmentRadioPharmacyLicenses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Fair Value Adjustment, Radio Pharmacy Licenses</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_FairValueAdjustmentRadioPharmacyLicenses" xlink:href="tlx-20251231.xsd#tlx_FairValueAdjustmentRadioPharmacyLicenses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_FairValueAdjustmentRadioPharmacyLicenses" xlink:to="lab_tlx_FairValueAdjustmentRadioPharmacyLicenses" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LaterThanFiveYearsMember_019b0124-06b4-7468-b152-77ece7f8d927_terseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanFiveYearsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Over 5 years</link:label>
    <link:label id="lab_ifrs-full_LaterThanFiveYearsMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanFiveYearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Later than five years [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanFiveYearsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LaterThanFiveYearsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanFiveYearsMember" xlink:to="lab_ifrs-full_LaterThanFiveYearsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfRelatedPartyExplanatory_019b0124-06b4-73b5-9f06-06566eeff128_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfRelatedPartyExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Related party transactions</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfRelatedPartyExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfRelatedPartyExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of related party [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfRelatedPartyExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfRelatedPartyExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfRelatedPartyExplanatory" xlink:to="lab_ifrs-full_DisclosureOfRelatedPartyExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ShareCapitalReserveAbstract_019b0124-06b4-7e0f-a331-893a1cd15b4a_terseLabel_en-US" xlink:label="lab_tlx_ShareCapitalReserveAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share capital [Abstract]</link:label>
    <link:label id="lab_tlx_ShareCapitalReserveAbstract_label_en-US" xlink:label="lab_tlx_ShareCapitalReserveAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Capital Reserve [Abstract]</link:label>
    <link:label id="lab_tlx_ShareCapitalReserveAbstract_documentation_en-US" xlink:label="lab_tlx_ShareCapitalReserveAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Share capital reserve [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ShareCapitalReserveAbstract" xlink:href="tlx-20251231.xsd#tlx_ShareCapitalReserveAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ShareCapitalReserveAbstract" xlink:to="lab_tlx_ShareCapitalReserveAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ContributionToCostsSinceAcquisitionTerm_019c543a-0e42-7cb8-942b-31835f027cec_terseLabel_en-US" xlink:label="lab_tlx_ContributionToCostsSinceAcquisitionTerm" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contribution to costs since acquisition, term</link:label>
    <link:label id="lab_tlx_ContributionToCostsSinceAcquisitionTerm_label_en-US" xlink:label="lab_tlx_ContributionToCostsSinceAcquisitionTerm" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contribution To Costs Since Acquisition, Term</link:label>
    <link:label id="lab_tlx_ContributionToCostsSinceAcquisitionTerm_documentation_en-US" xlink:label="lab_tlx_ContributionToCostsSinceAcquisitionTerm" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Contribution To Costs Since Acquisition, Term</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ContributionToCostsSinceAcquisitionTerm" xlink:href="tlx-20251231.xsd#tlx_ContributionToCostsSinceAcquisitionTerm"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ContributionToCostsSinceAcquisitionTerm" xlink:to="lab_tlx_ContributionToCostsSinceAcquisitionTerm" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_NonExecutiveDirectorsFees_019b0124-06b3-7eda-bf56-59b9f7bd9c0f_terseLabel_en-US" xlink:label="lab_tlx_NonExecutiveDirectorsFees" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-Executive Directors&#8217; fees</link:label>
    <link:label id="lab_tlx_NonExecutiveDirectorsFees_label_en-US" xlink:label="lab_tlx_NonExecutiveDirectorsFees" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-Executive Directors Fees</link:label>
    <link:label id="lab_tlx_NonExecutiveDirectorsFees_documentation_en-US" xlink:label="lab_tlx_NonExecutiveDirectorsFees" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of fees paid or payable to Non-executive directors.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_NonExecutiveDirectorsFees" xlink:href="tlx-20251231.xsd#tlx_NonExecutiveDirectorsFees"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_NonExecutiveDirectorsFees" xlink:to="lab_tlx_NonExecutiveDirectorsFees" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Level3OfFairValueHierarchyMember_019b0124-073c-7c39-bad0-7217d60632e0_terseLabel_en-US" xlink:label="lab_ifrs-full_Level3OfFairValueHierarchyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Level 3 of Fair Value Hierarchy</link:label>
    <link:label id="lab_ifrs-full_Level3OfFairValueHierarchyMember_label_en-US" xlink:label="lab_ifrs-full_Level3OfFairValueHierarchyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Level 3 of fair value hierarchy [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Level3OfFairValueHierarchyMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Level3OfFairValueHierarchyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Level3OfFairValueHierarchyMember" xlink:to="lab_ifrs-full_Level3OfFairValueHierarchyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_DisclosureOfDeedOfCrossGuaranteeTextBlock_019b44f4-cf8b-735f-8ee8-ac33f128ac88_terseLabel_en-US" xlink:label="lab_tlx_DisclosureOfDeedOfCrossGuaranteeTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deed of cross guarantee</link:label>
    <link:label id="lab_tlx_DisclosureOfDeedOfCrossGuaranteeTextBlock_label_en-US" xlink:label="lab_tlx_DisclosureOfDeedOfCrossGuaranteeTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of Deed Of Cross Guarantee [Text Block]</link:label>
    <link:label id="lab_tlx_DisclosureOfDeedOfCrossGuaranteeTextBlock_documentation_en-US" xlink:label="lab_tlx_DisclosureOfDeedOfCrossGuaranteeTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of Deed Of Cross Guarantee</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_DisclosureOfDeedOfCrossGuaranteeTextBlock" xlink:href="tlx-20251231.xsd#tlx_DisclosureOfDeedOfCrossGuaranteeTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_DisclosureOfDeedOfCrossGuaranteeTextBlock" xlink:to="lab_tlx_DisclosureOfDeedOfCrossGuaranteeTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome_019b0124-06b3-74a4-b00f-3f394f4f9df6_totalLabel_en-US" xlink:label="lab_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome_label_en-US" xlink:label="lab_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income tax relating to components of other comprehensive income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome" xlink:to="lab_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_LightpointMedicalMember_019b0124-061c-72ee-ad26-31fb9dcdc868_terseLabel_en-US" xlink:label="lab_tlx_LightpointMedicalMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lightpoint</link:label>
    <link:label id="lab_tlx_LightpointMedicalMember_label_en-US" xlink:label="lab_tlx_LightpointMedicalMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lightpoint Medical [Member]</link:label>
    <link:label id="lab_tlx_LightpointMedicalMember_documentation_en-US" xlink:label="lab_tlx_LightpointMedicalMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The name of the entity which is controlled by another entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_LightpointMedicalMember" xlink:href="tlx-20251231.xsd#tlx_LightpointMedicalMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_LightpointMedicalMember" xlink:to="lab_tlx_LightpointMedicalMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InterestExpenseOnLeaseLiabilities_019b0124-073c-7150-a3ec-9cf0aa01744f_terseLabel_en-US" xlink:label="lab_ifrs-full_InterestExpenseOnLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest expense on lease liabilities</link:label>
    <link:label id="lab_ifrs-full_InterestExpenseOnLeaseLiabilities_019b0124-073c-7951-a4cf-a217b83a7b0b_verboseLabel_en-US" xlink:label="lab_ifrs-full_InterestExpenseOnLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Interest expense</link:label>
    <link:label id="lab_ifrs-full_InterestExpenseOnLeaseLiabilities_label_en-US" xlink:label="lab_ifrs-full_InterestExpenseOnLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest expense on lease liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestExpenseOnLeaseLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InterestExpenseOnLeaseLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestExpenseOnLeaseLiabilities" xlink:to="lab_ifrs-full_InterestExpenseOnLeaseLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfAccountingJudgementsAndEstimatesExplanatory_019b0124-06b4-701d-9a65-f4884318ca64_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfAccountingJudgementsAndEstimatesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Key judgments and estimates</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfAccountingJudgementsAndEstimatesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfAccountingJudgementsAndEstimatesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of accounting judgements and estimates [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfAccountingJudgementsAndEstimatesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfAccountingJudgementsAndEstimatesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfAccountingJudgementsAndEstimatesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfAccountingJudgementsAndEstimatesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_CapitalReserveDeficit_019b0124-06b3-794b-9652-91e93f950baa_verboseLabel_en-US" xlink:label="lab_tlx_CapitalReserveDeficit" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Share capital reserve</link:label>
    <link:label id="lab_tlx_CapitalReserveDeficit_019b0124-06b3-76c1-a931-13b55219a87c_negatedPeriodStartLabel_en-US" xlink:label="lab_tlx_CapitalReserveDeficit" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:type="resource" xml:lang="en-US">Beginning balance</link:label>
    <link:label id="lab_tlx_CapitalReserveDeficit_019b0124-06b3-715c-86a4-961fd05b4630_negatedPeriodEndLabel_en-US" xlink:label="lab_tlx_CapitalReserveDeficit" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:type="resource" xml:lang="en-US">Ending balance</link:label>
    <link:label id="lab_tlx_CapitalReserveDeficit_019b0124-06b3-7f7a-b763-d8f6410de5af_terseLabel_en-US" xlink:label="lab_tlx_CapitalReserveDeficit" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share capital reserve</link:label>
    <link:label id="lab_tlx_CapitalReserveDeficit_label_en-US" xlink:label="lab_tlx_CapitalReserveDeficit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital Reserve (Deficit)</link:label>
    <link:label id="lab_tlx_CapitalReserveDeficit_documentation_en-US" xlink:label="lab_tlx_CapitalReserveDeficit" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">A component of equity representing the capital reserves(deficit).</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_CapitalReserveDeficit" xlink:href="tlx-20251231.xsd#tlx_CapitalReserveDeficit"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_CapitalReserveDeficit" xlink:to="lab_tlx_CapitalReserveDeficit" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_TLX591TxMember_019b0124-061c-75c4-b9e4-db3a4da12e13_terseLabel_en-US" xlink:label="lab_tlx_TLX591TxMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">TLX591</link:label>
    <link:label id="lab_tlx_TLX591TxMember_label_en-US" xlink:label="lab_tlx_TLX591TxMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">TLX591-Tx [Member]</link:label>
    <link:label id="lab_tlx_TLX591TxMember_documentation_en-US" xlink:label="lab_tlx_TLX591TxMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for clinical product used for therapeutic and diagnostic applications.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_TLX591TxMember" xlink:href="tlx-20251231.xsd#tlx_TLX591TxMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_TLX591TxMember" xlink:to="lab_tlx_TLX591TxMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_DisclosureOfDetailedInformationAboutIncomeTaxBenefitExpenseExplanatoryTableTextBlock_019b0124-06b3-7dfc-814b-42c588e812af_terseLabel_en-US" xlink:label="lab_tlx_DisclosureOfDetailedInformationAboutIncomeTaxBenefitExpenseExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Income Tax Expense/(Benefit)</link:label>
    <link:label id="lab_tlx_DisclosureOfDetailedInformationAboutIncomeTaxBenefitExpenseExplanatoryTableTextBlock_label_en-US" xlink:label="lab_tlx_DisclosureOfDetailedInformationAboutIncomeTaxBenefitExpenseExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed InformationAbout Income Tax Benefit Expense Explanatory [Table Text Block]</link:label>
    <link:label id="lab_tlx_DisclosureOfDetailedInformationAboutIncomeTaxBenefitExpenseExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_tlx_DisclosureOfDetailedInformationAboutIncomeTaxBenefitExpenseExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of detailed information about income tax benefit (expense).</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_DisclosureOfDetailedInformationAboutIncomeTaxBenefitExpenseExplanatoryTableTextBlock" xlink:href="tlx-20251231.xsd#tlx_DisclosureOfDetailedInformationAboutIncomeTaxBenefitExpenseExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_DisclosureOfDetailedInformationAboutIncomeTaxBenefitExpenseExplanatoryTableTextBlock" xlink:to="lab_tlx_DisclosureOfDetailedInformationAboutIncomeTaxBenefitExpenseExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GoodwillRecognisedAsOfAcquisitionDate_019b0124-061c-748c-a3d7-01103c2298ba_terseLabel_en-US" xlink:label="lab_ifrs-full_GoodwillRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Goodwill</link:label>
    <link:label id="lab_ifrs-full_GoodwillRecognisedAsOfAcquisitionDate_label_en-US" xlink:label="lab_ifrs-full_GoodwillRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill recognised as of acquisition date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GoodwillRecognisedAsOfAcquisitionDate" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GoodwillRecognisedAsOfAcquisitionDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GoodwillRecognisedAsOfAcquisitionDate" xlink:to="lab_ifrs-full_GoodwillRecognisedAsOfAcquisitionDate" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ScheduleOfImpactOfPossibleChangesInKeyAssumptionsTableTextBlock_019c12a4-4998-7554-b2f4-2d168c247f80_terseLabel_en-US" xlink:label="lab_tlx_ScheduleOfImpactOfPossibleChangesInKeyAssumptionsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Impact Of Possible Changes In Key Assumptions</link:label>
    <link:label id="lab_tlx_ScheduleOfImpactOfPossibleChangesInKeyAssumptionsTableTextBlock_label_en-US" xlink:label="lab_tlx_ScheduleOfImpactOfPossibleChangesInKeyAssumptionsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Impact Of Possible Changes In Key Assumptions [Table Text Block]</link:label>
    <link:label id="lab_tlx_ScheduleOfImpactOfPossibleChangesInKeyAssumptionsTableTextBlock_documentation_en-US" xlink:label="lab_tlx_ScheduleOfImpactOfPossibleChangesInKeyAssumptionsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Impact Of Possible Changes In Key Assumptions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ScheduleOfImpactOfPossibleChangesInKeyAssumptionsTableTextBlock" xlink:href="tlx-20251231.xsd#tlx_ScheduleOfImpactOfPossibleChangesInKeyAssumptionsTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ScheduleOfImpactOfPossibleChangesInKeyAssumptionsTableTextBlock" xlink:to="lab_tlx_ScheduleOfImpactOfPossibleChangesInKeyAssumptionsTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_IncreaseDecreaseThroughTransferOnSatisfactionOfAcquisitionPerformanceRights_019b35bb-86fb-7592-b8b4-0860392ba2f7_terseLabel_en-US" xlink:label="lab_tlx_IncreaseDecreaseThroughTransferOnSatisfactionOfAcquisitionPerformanceRights" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfer on satisfaction of acquisition performance rights</link:label>
    <link:label id="lab_tlx_IncreaseDecreaseThroughTransferOnSatisfactionOfAcquisitionPerformanceRights_label_en-US" xlink:label="lab_tlx_IncreaseDecreaseThroughTransferOnSatisfactionOfAcquisitionPerformanceRights" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Transfer On Satisfaction Of Acquisition Performance Rights</link:label>
    <link:label id="lab_tlx_IncreaseDecreaseThroughTransferOnSatisfactionOfAcquisitionPerformanceRights_documentation_en-US" xlink:label="lab_tlx_IncreaseDecreaseThroughTransferOnSatisfactionOfAcquisitionPerformanceRights" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Transfer On Satisfaction Of Acquisition Performance Rights</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_IncreaseDecreaseThroughTransferOnSatisfactionOfAcquisitionPerformanceRights" xlink:href="tlx-20251231.xsd#tlx_IncreaseDecreaseThroughTransferOnSatisfactionOfAcquisitionPerformanceRights"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_IncreaseDecreaseThroughTransferOnSatisfactionOfAcquisitionPerformanceRights" xlink:to="lab_tlx_IncreaseDecreaseThroughTransferOnSatisfactionOfAcquisitionPerformanceRights" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_AdjustmentsForFairValueRemeasurementOfContingentConsideration_019b0124-073c-7c47-9a33-d362739918c4_verboseLabel_en-US" xlink:label="lab_tlx_AdjustmentsForFairValueRemeasurementOfContingentConsideration" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Fair value remeasurement of contingent consideration</link:label>
    <link:label id="lab_tlx_AdjustmentsForFairValueRemeasurementOfContingentConsideration_label_en-US" xlink:label="lab_tlx_AdjustmentsForFairValueRemeasurementOfContingentConsideration" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments For Fair Value Remeasurement Of Contingent Consideration</link:label>
    <link:label id="lab_tlx_AdjustmentsForFairValueRemeasurementOfContingentConsideration_documentation_en-US" xlink:label="lab_tlx_AdjustmentsForFairValueRemeasurementOfContingentConsideration" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Adjustments for contingent consideration to reconcile profit (loss) to net cash flow from (used in) operating activities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_AdjustmentsForFairValueRemeasurementOfContingentConsideration" xlink:href="tlx-20251231.xsd#tlx_AdjustmentsForFairValueRemeasurementOfContingentConsideration"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_AdjustmentsForFairValueRemeasurementOfContingentConsideration" xlink:to="lab_tlx_AdjustmentsForFairValueRemeasurementOfContingentConsideration" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_TelixInnovationsSAMember_019b0124-06b3-758f-9c49-53024e4f7bb7_terseLabel_en-US" xlink:label="lab_tlx_TelixInnovationsSAMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Telix Innovations SA</link:label>
    <link:label id="lab_tlx_TelixInnovationsSAMember_label_en-US" xlink:label="lab_tlx_TelixInnovationsSAMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Telix Innovations SA [Member]</link:label>
    <link:label id="lab_tlx_TelixInnovationsSAMember_documentation_en-US" xlink:label="lab_tlx_TelixInnovationsSAMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The name of the entity which is controlled by another entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_TelixInnovationsSAMember" xlink:href="tlx-20251231.xsd#tlx_TelixInnovationsSAMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_TelixInnovationsSAMember" xlink:to="lab_tlx_TelixInnovationsSAMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfClassesOfShareCapitalTable_019b0124-06b3-7677-896f-dc68d78aa094_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfClassesOfShareCapitalTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of classes of share capital [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfClassesOfShareCapitalTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfClassesOfShareCapitalTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of classes of share capital [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfClassesOfShareCapitalTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfClassesOfShareCapitalTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfClassesOfShareCapitalTable" xlink:to="lab_ifrs-full_DisclosureOfClassesOfShareCapitalTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_UnobservableInputsAxis_019b0124-06b3-7c93-a7fc-ec1eaba8b738_terseLabel_en-US" xlink:label="lab_ifrs-full_UnobservableInputsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unobservable inputs [axis]</link:label>
    <link:label id="lab_ifrs-full_UnobservableInputsAxis_label_en-US" xlink:label="lab_ifrs-full_UnobservableInputsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unobservable inputs [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_UnobservableInputsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_UnobservableInputsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_UnobservableInputsAxis" xlink:to="lab_ifrs-full_UnobservableInputsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_AuditorName_019b0124-061c-7cfd-9304-4fc740acf430_terseLabel_en-US" xlink:label="lab_dei_AuditorName" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Auditor Name</link:label>
    <link:label id="lab_dei_AuditorName_label_en-US" xlink:label="lab_dei_AuditorName" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Auditor Name</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AuditorName" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AuditorName"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AuditorName" xlink:to="lab_dei_AuditorName" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SegmentConsolidationItemsDomain_019b0124-061c-71fe-8908-43e64f3e2e3d_terseLabel_en-US" xlink:label="lab_ifrs-full_SegmentConsolidationItemsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segment consolidation items [domain]</link:label>
    <link:label id="lab_ifrs-full_SegmentConsolidationItemsDomain_label_en-US" xlink:label="lab_ifrs-full_SegmentConsolidationItemsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segment consolidation items [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SegmentConsolidationItemsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SegmentConsolidationItemsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SegmentConsolidationItemsDomain" xlink:to="lab_ifrs-full_SegmentConsolidationItemsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ReconciliationOfTotalSegmentAdjustedEBITDAAndGroupAdjustedEBITAToProfitLossBeforeIncomeTaxAbstract_019b0124-061c-74b6-85d6-69509ae48fe6_terseLabel_en-US" xlink:label="lab_tlx_ReconciliationOfTotalSegmentAdjustedEBITDAAndGroupAdjustedEBITAToProfitLossBeforeIncomeTaxAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reconciliation of Total Segment Adjusted EBITDA and Group Adjusted EBITA to Profit/(Loss) Before Income Tax [Abstract]</link:label>
    <link:label id="lab_tlx_ReconciliationOfTotalSegmentAdjustedEBITDAAndGroupAdjustedEBITAToProfitLossBeforeIncomeTaxAbstract_label_en-US" xlink:label="lab_tlx_ReconciliationOfTotalSegmentAdjustedEBITDAAndGroupAdjustedEBITAToProfitLossBeforeIncomeTaxAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reconciliation Of Total Segment Adjusted EBITDA And Group Adjusted EBITA To Profit/Loss) Before Income Tax [Abstract]</link:label>
    <link:label id="lab_tlx_ReconciliationOfTotalSegmentAdjustedEBITDAAndGroupAdjustedEBITAToProfitLossBeforeIncomeTaxAbstract_documentation_en-US" xlink:label="lab_tlx_ReconciliationOfTotalSegmentAdjustedEBITDAAndGroupAdjustedEBITAToProfitLossBeforeIncomeTaxAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Reconciliation of total segment adjusted EBITDA and group adjusted EBITA to profit/(loss) before income tax [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ReconciliationOfTotalSegmentAdjustedEBITDAAndGroupAdjustedEBITAToProfitLossBeforeIncomeTaxAbstract" xlink:href="tlx-20251231.xsd#tlx_ReconciliationOfTotalSegmentAdjustedEBITDAAndGroupAdjustedEBITAToProfitLossBeforeIncomeTaxAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ReconciliationOfTotalSegmentAdjustedEBITDAAndGroupAdjustedEBITAToProfitLossBeforeIncomeTaxAbstract" xlink:to="lab_tlx_ReconciliationOfTotalSegmentAdjustedEBITDAAndGroupAdjustedEBITAToProfitLossBeforeIncomeTaxAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems_019b0124-06b4-70fe-b55d-36208867243f_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of disaggregation of revenue from contracts with customers [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of disaggregation of revenue from contracts with customers [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems" xlink:to="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_TelixPharmaceuticalsGermanyGmbHMember_019b0124-061c-730d-8e1e-d71713c55a0b_terseLabel_en-US" xlink:label="lab_tlx_TelixPharmaceuticalsGermanyGmbHMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Telix Pharmaceuticals (Germany) GmbH</link:label>
    <link:label id="lab_tlx_TelixPharmaceuticalsGermanyGmbHMember_label_en-US" xlink:label="lab_tlx_TelixPharmaceuticalsGermanyGmbHMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Telix Pharmaceuticals (Germany) GmbH [Member]</link:label>
    <link:label id="lab_tlx_TelixPharmaceuticalsGermanyGmbHMember_documentation_en-US" xlink:label="lab_tlx_TelixPharmaceuticalsGermanyGmbHMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The name of the entity which is controlled by another entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_TelixPharmaceuticalsGermanyGmbHMember" xlink:href="tlx-20251231.xsd#tlx_TelixPharmaceuticalsGermanyGmbHMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_TelixPharmaceuticalsGermanyGmbHMember" xlink:to="lab_tlx_TelixPharmaceuticalsGermanyGmbHMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_OtherDepositsAndAssetsNoncurrent_019c3308-2f80-727f-9a22-806462ff5078_terseLabel_en-US" xlink:label="lab_tlx_OtherDepositsAndAssetsNoncurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other deposits and assets</link:label>
    <link:label id="lab_tlx_OtherDepositsAndAssetsNoncurrent_label_en-US" xlink:label="lab_tlx_OtherDepositsAndAssetsNoncurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Deposits And Assets, Noncurrent</link:label>
    <link:label id="lab_tlx_OtherDepositsAndAssetsNoncurrent_documentation_en-US" xlink:label="lab_tlx_OtherDepositsAndAssetsNoncurrent" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Deposits And Assets, Noncurrent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_OtherDepositsAndAssetsNoncurrent" xlink:href="tlx-20251231.xsd#tlx_OtherDepositsAndAssetsNoncurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_OtherDepositsAndAssetsNoncurrent" xlink:to="lab_tlx_OtherDepositsAndAssetsNoncurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_FinancialAssetsAtFVOCIReserveAbstract_019b0124-061c-7a8d-87e0-cb01d98230ed_terseLabel_en-US" xlink:label="lab_tlx_FinancialAssetsAtFVOCIReserveAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial assets at FVOCI reserve [Abstract]</link:label>
    <link:label id="lab_tlx_FinancialAssetsAtFVOCIReserveAbstract_label_en-US" xlink:label="lab_tlx_FinancialAssetsAtFVOCIReserveAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial assets at FVOCI reserve [Abstract]</link:label>
    <link:label id="lab_tlx_FinancialAssetsAtFVOCIReserveAbstract_documentation_en-US" xlink:label="lab_tlx_FinancialAssetsAtFVOCIReserveAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial assets at FVOCI reserve [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_FinancialAssetsAtFVOCIReserveAbstract" xlink:href="tlx-20251231.xsd#tlx_FinancialAssetsAtFVOCIReserveAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_FinancialAssetsAtFVOCIReserveAbstract" xlink:to="lab_tlx_FinancialAssetsAtFVOCIReserveAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTradeAndOtherReceivablesExplanatory_019b0124-061c-7811-a1a9-b082540bc0ae_verboseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTradeAndOtherReceivablesExplanatory" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Trade and other receivables</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfTradeAndOtherReceivablesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTradeAndOtherReceivablesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of trade and other receivables [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTradeAndOtherReceivablesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTradeAndOtherReceivablesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTradeAndOtherReceivablesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfTradeAndOtherReceivablesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_GovernmentGrantLiabilityUndiscountedCashFlows_019be113-e5a9-781c-955e-462008868326_terseLabel_en-US" xlink:label="lab_tlx_GovernmentGrantLiabilityUndiscountedCashFlows" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Government grant liability</link:label>
    <link:label id="lab_tlx_GovernmentGrantLiabilityUndiscountedCashFlows_label_en-US" xlink:label="lab_tlx_GovernmentGrantLiabilityUndiscountedCashFlows" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Government Grant Liability, Undiscounted Cash Flows</link:label>
    <link:label id="lab_tlx_GovernmentGrantLiabilityUndiscountedCashFlows_documentation_en-US" xlink:label="lab_tlx_GovernmentGrantLiabilityUndiscountedCashFlows" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Government Grant Liability, Undiscounted Cash Flows</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_GovernmentGrantLiabilityUndiscountedCashFlows" xlink:href="tlx-20251231.xsd#tlx_GovernmentGrantLiabilityUndiscountedCashFlows"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_GovernmentGrantLiabilityUndiscountedCashFlows" xlink:to="lab_tlx_GovernmentGrantLiabilityUndiscountedCashFlows" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_FairValueAdjustmentDeferredTaxLiability_019b0124-061c-71d0-a1df-4dc1126aab66_negatedLabel_en-US" xlink:label="lab_tlx_FairValueAdjustmentDeferredTaxLiability" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Deferred tax liabilities</link:label>
    <link:label id="lab_tlx_FairValueAdjustmentDeferredTaxLiability_label_en-US" xlink:label="lab_tlx_FairValueAdjustmentDeferredTaxLiability" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Adjustment, Deferred Tax Liability</link:label>
    <link:label id="lab_tlx_FairValueAdjustmentDeferredTaxLiability_documentation_en-US" xlink:label="lab_tlx_FairValueAdjustmentDeferredTaxLiability" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of increase (decrease) in deferred tax liabilities for fair value adjustment in a business combination.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_FairValueAdjustmentDeferredTaxLiability" xlink:href="tlx-20251231.xsd#tlx_FairValueAdjustmentDeferredTaxLiability"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_FairValueAdjustmentDeferredTaxLiability" xlink:to="lab_tlx_FairValueAdjustmentDeferredTaxLiability" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_FAPTargetingMember_019b3af9-e018-7e44-9295-2e4eea7648a8_terseLabel_en-US" xlink:label="lab_tlx_FAPTargetingMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">FAP Targeting</link:label>
    <link:label id="lab_tlx_FAPTargetingMember_label_en-US" xlink:label="lab_tlx_FAPTargetingMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">FAP Targeting [Member]</link:label>
    <link:label id="lab_tlx_FAPTargetingMember_documentation_en-US" xlink:label="lab_tlx_FAPTargetingMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">FAP Targeting</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_FAPTargetingMember" xlink:href="tlx-20251231.xsd#tlx_FAPTargetingMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_FAPTargetingMember" xlink:to="lab_tlx_FAPTargetingMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PastDueStatusAxis_019b0124-061c-7365-ae5d-33be60289726_terseLabel_en-US" xlink:label="lab_ifrs-full_PastDueStatusAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Past due status [axis]</link:label>
    <link:label id="lab_ifrs-full_PastDueStatusAxis_label_en-US" xlink:label="lab_ifrs-full_PastDueStatusAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Past due status [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PastDueStatusAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PastDueStatusAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PastDueStatusAxis" xlink:to="lab_ifrs-full_PastDueStatusAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GoodwillMember_019b0124-06b3-75bf-b955-d4a4a7a0fff1_terseLabel_en-US" xlink:label="lab_ifrs-full_GoodwillMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Goodwill</link:label>
    <link:label id="lab_ifrs-full_GoodwillMember_label_en-US" xlink:label="lab_ifrs-full_GoodwillMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GoodwillMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GoodwillMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GoodwillMember" xlink:to="lab_ifrs-full_GoodwillMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfOptionLifeShareOptionsGranted_019b0124-06b3-7ea3-be88-ceccd73b3862_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfOptionLifeShareOptionsGranted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Term</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfOptionLifeShareOptionsGranted_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfOptionLifeShareOptionsGranted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Option life, share options granted</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfOptionLifeShareOptionsGranted" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfOptionLifeShareOptionsGranted"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfOptionLifeShareOptionsGranted" xlink:to="lab_ifrs-full_DescriptionOfOptionLifeShareOptionsGranted" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities_019b0124-06b3-7fc5-b171-4ca195861933_totalLabel_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net cash (used in)/from operating activities</link:label>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities_label_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash flows from (used in) operating activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashFlowsFromUsedInOperatingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinishedGoods_019b0124-061c-76c6-81f3-509a0fce4004_terseLabel_en-US" xlink:label="lab_ifrs-full_FinishedGoods" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Finished goods</link:label>
    <link:label id="lab_ifrs-full_FinishedGoods_label_en-US" xlink:label="lab_ifrs-full_FinishedGoods" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current finished goods</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinishedGoods" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinishedGoods"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinishedGoods" xlink:to="lab_ifrs-full_FinishedGoods" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems_019b0124-061c-76d6-961e-70ca2cbf16d0_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of terms and conditions of share-based payment arrangement [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of terms and conditions of share-based payment arrangement [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" xlink:to="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_WorkingCapitalFacilityAbstract_019b0124-061c-7c2b-8e49-82dab18a7fa8_terseLabel_en-US" xlink:label="lab_tlx_WorkingCapitalFacilityAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Working capital facility [Abstract]</link:label>
    <link:label id="lab_tlx_WorkingCapitalFacilityAbstract_label_en-US" xlink:label="lab_tlx_WorkingCapitalFacilityAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Working capital facility [Abstract]</link:label>
    <link:label id="lab_tlx_WorkingCapitalFacilityAbstract_documentation_en-US" xlink:label="lab_tlx_WorkingCapitalFacilityAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Working capital facility [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_WorkingCapitalFacilityAbstract" xlink:href="tlx-20251231.xsd#tlx_WorkingCapitalFacilityAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_WorkingCapitalFacilityAbstract" xlink:to="lab_tlx_WorkingCapitalFacilityAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentLiabilitiesAbstract_019b0124-061c-72f5-9261-1826f5f8e7f9_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-current liabilities</link:label>
    <link:label id="lab_ifrs-full_NoncurrentLiabilitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_NoncurrentLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-current liabilities [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentLiabilitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentLiabilitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentLiabilitiesAbstract" xlink:to="lab_ifrs-full_NoncurrentLiabilitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory_019b0124-06b3-77f7-affe-f08ceeedaf9c_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-based payments</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of share-based payment arrangements [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_DescriptionOfAccountingPolicyForNonCurrentFinancialAssetsPolicyTextBlock_019b0124-06b3-7e38-938e-1d861b73af15_terseLabel_en-US" xlink:label="lab_tlx_DescriptionOfAccountingPolicyForNonCurrentFinancialAssetsPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-current financial assets</link:label>
    <link:label id="lab_tlx_DescriptionOfAccountingPolicyForNonCurrentFinancialAssetsPolicyTextBlock_label_en-US" xlink:label="lab_tlx_DescriptionOfAccountingPolicyForNonCurrentFinancialAssetsPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description Of Accounting Policy For Non-Current Financial Assets [Policy Text Block]</link:label>
    <link:label id="lab_tlx_DescriptionOfAccountingPolicyForNonCurrentFinancialAssetsPolicyTextBlock_documentation_en-US" xlink:label="lab_tlx_DescriptionOfAccountingPolicyForNonCurrentFinancialAssetsPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The description of the entity's material accounting policy information for non-current financial assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_DescriptionOfAccountingPolicyForNonCurrentFinancialAssetsPolicyTextBlock" xlink:href="tlx-20251231.xsd#tlx_DescriptionOfAccountingPolicyForNonCurrentFinancialAssetsPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_DescriptionOfAccountingPolicyForNonCurrentFinancialAssetsPolicyTextBlock" xlink:to="lab_tlx_DescriptionOfAccountingPolicyForNonCurrentFinancialAssetsPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfIntangibleAssetsAbstract_019b0124-061c-7d40-af85-11d7cd9e7890_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfIntangibleAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about intangible assets [abstract]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfIntangibleAssetsAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfIntangibleAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about intangible assets [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfIntangibleAssetsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfIntangibleAssetsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfIntangibleAssetsAbstract" xlink:to="lab_ifrs-full_DisclosureOfIntangibleAssetsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentFiscalYearFocus_019b0124-061c-729b-a770-8d13c796a390_terseLabel_en-US" xlink:label="lab_dei_DocumentFiscalYearFocus" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Fiscal Year Focus</link:label>
    <link:label id="lab_dei_DocumentFiscalYearFocus_label_en-US" xlink:label="lab_dei_DocumentFiscalYearFocus" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Fiscal Year Focus</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalYearFocus" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentFiscalYearFocus"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentFiscalYearFocus" xlink:to="lab_dei_DocumentFiscalYearFocus" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForReconcileProfitLossAbstract_019b0124-061c-7959-b9cf-18b24b43726f_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForReconcileProfitLossAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Adjustments for</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForReconcileProfitLossAbstract_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForReconcileProfitLossAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments to reconcile profit (loss) [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForReconcileProfitLossAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForReconcileProfitLossAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForReconcileProfitLossAbstract" xlink:to="lab_ifrs-full_AdjustmentsForReconcileProfitLossAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LaterThanOneYearMember_019b0124-061c-71e8-9380-013d25d583fc_terseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanOneYearMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Later than one year</link:label>
    <link:label id="lab_ifrs-full_LaterThanOneYearMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanOneYearMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Later than one year [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanOneYearMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LaterThanOneYearMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanOneYearMember" xlink:to="lab_ifrs-full_LaterThanOneYearMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesLineItems_019b0124-06b3-78cd-8fc5-0b6745d43a0d_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of maturity analysis for non-derivative financial liabilities [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of maturity analysis for non-derivative financial liabilities [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesLineItems" xlink:to="lab_ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ReconciliationOfChangesInRightofuseAssetsAbstract_019b0124-061c-73b9-ac6a-02f6e5b5fbee_terseLabel_en-US" xlink:label="lab_ifrs-full_ReconciliationOfChangesInRightofuseAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reconciliation of changes in right-of-use assets [abstract]</link:label>
    <link:label id="lab_ifrs-full_ReconciliationOfChangesInRightofuseAssetsAbstract_label_en-US" xlink:label="lab_ifrs-full_ReconciliationOfChangesInRightofuseAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reconciliation of changes in right-of-use assets [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReconciliationOfChangesInRightofuseAssetsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReconciliationOfChangesInRightofuseAssetsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReconciliationOfChangesInRightofuseAssetsAbstract" xlink:to="lab_ifrs-full_ReconciliationOfChangesInRightofuseAssetsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ScheduleOfContingentConsiderationExplanatoryTextBlock_019b0124-061c-759b-968d-665117e2ec9c_terseLabel_en-US" xlink:label="lab_tlx_ScheduleOfContingentConsiderationExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Contingent Consideration</link:label>
    <link:label id="lab_tlx_ScheduleOfContingentConsiderationExplanatoryTextBlock_label_en-US" xlink:label="lab_tlx_ScheduleOfContingentConsiderationExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Contingent Consideration Explanatory [Text Block]</link:label>
    <link:label id="lab_tlx_ScheduleOfContingentConsiderationExplanatoryTextBlock_documentation_en-US" xlink:label="lab_tlx_ScheduleOfContingentConsiderationExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tabular disclosure of information about contingent consideration.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ScheduleOfContingentConsiderationExplanatoryTextBlock" xlink:href="tlx-20251231.xsd#tlx_ScheduleOfContingentConsiderationExplanatoryTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ScheduleOfContingentConsiderationExplanatoryTextBlock" xlink:to="lab_tlx_ScheduleOfContingentConsiderationExplanatoryTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfResearchAndDevelopmentExpenseExplanatory_019b0124-06b3-77ed-8b08-3f78dcb83c2a_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfResearchAndDevelopmentExpenseExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Research and development costs</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfResearchAndDevelopmentExpenseExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfResearchAndDevelopmentExpenseExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of research and development expense [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfResearchAndDevelopmentExpenseExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfResearchAndDevelopmentExpenseExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfResearchAndDevelopmentExpenseExplanatory" xlink:to="lab_ifrs-full_DisclosureOfResearchAndDevelopmentExpenseExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MotorVehiclesMember_019b0124-061c-787d-ab3e-7a8e6a6a4b00_verboseLabel_en-US" xlink:label="lab_ifrs-full_MotorVehiclesMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Motor vehicles</link:label>
    <link:label id="lab_ifrs-full_MotorVehiclesMember_019b0124-061c-7315-80fc-2b6a91cc1d09_terseLabel_en-US" xlink:label="lab_ifrs-full_MotorVehiclesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Motor vehicles</link:label>
    <link:label id="lab_ifrs-full_MotorVehiclesMember_label_en-US" xlink:label="lab_ifrs-full_MotorVehiclesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Motor vehicles [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MotorVehiclesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MotorVehiclesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MotorVehiclesMember" xlink:to="lab_ifrs-full_MotorVehiclesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ReclassificationsRightOfUseAsset_019b0124-06b3-75d7-8e88-f6e194d40ca4_terseLabel_en-US" xlink:label="lab_tlx_ReclassificationsRightOfUseAsset" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reclassifications</link:label>
    <link:label id="lab_tlx_ReclassificationsRightOfUseAsset_label_en-US" xlink:label="lab_tlx_ReclassificationsRightOfUseAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reclassifications, Right-Of-Use Asset</link:label>
    <link:label id="lab_tlx_ReclassificationsRightOfUseAsset_documentation_en-US" xlink:label="lab_tlx_ReclassificationsRightOfUseAsset" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of reclassifications of right-of-use assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ReclassificationsRightOfUseAsset" xlink:href="tlx-20251231.xsd#tlx_ReclassificationsRightOfUseAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ReclassificationsRightOfUseAsset" xlink:to="lab_tlx_ReclassificationsRightOfUseAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentGovernmentGrants_019b0124-061c-7b71-941f-bf677eafc37d_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentGovernmentGrants" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Government rebates payable</link:label>
    <link:label id="lab_ifrs-full_CurrentGovernmentGrants_label_en-US" xlink:label="lab_ifrs-full_CurrentGovernmentGrants" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current government grants</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentGovernmentGrants" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentGovernmentGrants"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentGovernmentGrants" xlink:to="lab_ifrs-full_CurrentGovernmentGrants" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_SupplyChainCostsMember_019b45dd-9d51-7873-8ad5-91a7a4fe5344_terseLabel_en-US" xlink:label="lab_tlx_SupplyChainCostsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Supply chain costs</link:label>
    <link:label id="lab_tlx_SupplyChainCostsMember_label_en-US" xlink:label="lab_tlx_SupplyChainCostsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Supply Chain Costs [Member]</link:label>
    <link:label id="lab_tlx_SupplyChainCostsMember_documentation_en-US" xlink:label="lab_tlx_SupplyChainCostsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Supply Chain Costs</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_SupplyChainCostsMember" xlink:href="tlx-20251231.xsd#tlx_SupplyChainCostsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_SupplyChainCostsMember" xlink:to="lab_tlx_SupplyChainCostsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_PaymentsForContingentConsiderationClassifiedAsOperatingActivities_019b0124-061c-7948-a5a2-aa73f2d25693_negatedLabel_en-US" xlink:label="lab_tlx_PaymentsForContingentConsiderationClassifiedAsOperatingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Payments for contingent consideration</link:label>
    <link:label id="lab_tlx_PaymentsForContingentConsiderationClassifiedAsOperatingActivities_label_en-US" xlink:label="lab_tlx_PaymentsForContingentConsiderationClassifiedAsOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments For Contingent Consideration, Classified As Operating Activities</link:label>
    <link:label id="lab_tlx_PaymentsForContingentConsiderationClassifiedAsOperatingActivities_documentation_en-US" xlink:label="lab_tlx_PaymentsForContingentConsiderationClassifiedAsOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The cash outflow for payments to contingent consideration, classified as operating activities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_PaymentsForContingentConsiderationClassifiedAsOperatingActivities" xlink:href="tlx-20251231.xsd#tlx_PaymentsForContingentConsiderationClassifiedAsOperatingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_PaymentsForContingentConsiderationClassifiedAsOperatingActivities" xlink:to="lab_tlx_PaymentsForContingentConsiderationClassifiedAsOperatingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SeparateManagementEntitiesAxis_019b0124-073c-7825-80e7-3b2d47dade3d_terseLabel_en-US" xlink:label="lab_ifrs-full_SeparateManagementEntitiesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Separate management entities [axis]</link:label>
    <link:label id="lab_ifrs-full_SeparateManagementEntitiesAxis_label_en-US" xlink:label="lab_ifrs-full_SeparateManagementEntitiesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Separate management entities [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SeparateManagementEntitiesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SeparateManagementEntitiesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SeparateManagementEntitiesAxis" xlink:to="lab_ifrs-full_SeparateManagementEntitiesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputRecognisedInOtherComprehensiveIncomeAfterTaxAssets_019bfd77-53cd-7941-9451-40016bb10aa5_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputRecognisedInOtherComprehensiveIncomeAfterTaxAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Increase (decrease) in fair value measurement due to reasonably possible decrease in unobservable input, recognised in other comprehensive income, after tax, assets</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputRecognisedInOtherComprehensiveIncomeAfterTaxAssets_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputRecognisedInOtherComprehensiveIncomeAfterTaxAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) in fair value measurement due to reasonably possible decrease in unobservable input, recognised in other comprehensive income, after tax, assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputRecognisedInOtherComprehensiveIncomeAfterTaxAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputRecognisedInOtherComprehensiveIncomeAfterTaxAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputRecognisedInOtherComprehensiveIncomeAfterTaxAssets" xlink:to="lab_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputRecognisedInOtherComprehensiveIncomeAfterTaxAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ExercisePriceOfIncentiveSecuritiesInExchangeForForfeitedSecurities_019b0124-06b3-74fc-a41c-2e592f33577c_terseLabel_en-US" xlink:label="lab_tlx_ExercisePriceOfIncentiveSecuritiesInExchangeForForfeitedSecurities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exercise price of incentive securities in exchange for forfeited securities (in dollars per share)</link:label>
    <link:label id="lab_tlx_ExercisePriceOfIncentiveSecuritiesInExchangeForForfeitedSecurities_label_en-US" xlink:label="lab_tlx_ExercisePriceOfIncentiveSecuritiesInExchangeForForfeitedSecurities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Exercise Price Of Incentive Securities In Exchange For Forfeited Securities</link:label>
    <link:label id="lab_tlx_ExercisePriceOfIncentiveSecuritiesInExchangeForForfeitedSecurities_documentation_en-US" xlink:label="lab_tlx_ExercisePriceOfIncentiveSecuritiesInExchangeForForfeitedSecurities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The exercise price of incentive securities in exchange for forfeited securities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ExercisePriceOfIncentiveSecuritiesInExchangeForForfeitedSecurities" xlink:href="tlx-20251231.xsd#tlx_ExercisePriceOfIncentiveSecuritiesInExchangeForForfeitedSecurities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ExercisePriceOfIncentiveSecuritiesInExchangeForForfeitedSecurities" xlink:to="lab_tlx_ExercisePriceOfIncentiveSecuritiesInExchangeForForfeitedSecurities" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_GrantDateJanuary272021Member_019bea4e-de94-751d-b68f-c7e20929fa11_terseLabel_en-US" xlink:label="lab_tlx_GrantDateJanuary272021Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Grant date January 27, 2021</link:label>
    <link:label id="lab_tlx_GrantDateJanuary272021Member_label_en-US" xlink:label="lab_tlx_GrantDateJanuary272021Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Grant Date January 27, 2021 [Member]</link:label>
    <link:label id="lab_tlx_GrantDateJanuary272021Member_documentation_en-US" xlink:label="lab_tlx_GrantDateJanuary272021Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Grant Date January 27, 2021</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_GrantDateJanuary272021Member" xlink:href="tlx-20251231.xsd#tlx_GrantDateJanuary272021Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_GrantDateJanuary272021Member" xlink:to="lab_tlx_GrantDateJanuary272021Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfProvisionsAxis_019b3b56-2302-74fb-888b-bad444a0ac26_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfProvisionsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of other provisions [axis]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfProvisionsAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfProvisionsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of other provisions [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfProvisionsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfProvisionsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfProvisionsAxis" xlink:to="lab_ifrs-full_ClassesOfProvisionsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LeaseholdImprovementsMember_019b0124-073c-7d59-a281-074327559eb5_terseLabel_en-US" xlink:label="lab_ifrs-full_LeaseholdImprovementsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Leasehold improvements</link:label>
    <link:label id="lab_ifrs-full_LeaseholdImprovementsMember_label_en-US" xlink:label="lab_ifrs-full_LeaseholdImprovementsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Leasehold improvements [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LeaseholdImprovementsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LeaseholdImprovementsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LeaseholdImprovementsMember" xlink:to="lab_ifrs-full_LeaseholdImprovementsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_AtoncoSASMember_019b0124-061c-7c20-8ea5-c837d0b5bb94_terseLabel_en-US" xlink:label="lab_tlx_AtoncoSASMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investment in Atonco SAS</link:label>
    <link:label id="lab_tlx_AtoncoSASMember_label_en-US" xlink:label="lab_tlx_AtoncoSASMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Atonco SAS [Member]</link:label>
    <link:label id="lab_tlx_AtoncoSASMember_documentation_en-US" xlink:label="lab_tlx_AtoncoSASMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The name of the entity which is controlled by another entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_AtoncoSASMember" xlink:href="tlx-20251231.xsd#tlx_AtoncoSASMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_AtoncoSASMember" xlink:to="lab_tlx_AtoncoSASMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MaterialReconcilingItemsMember_019be8e0-ac95-7110-ac0f-82d792ad4b48_terseLabel_en-US" xlink:label="lab_ifrs-full_MaterialReconcilingItemsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reconciling items</link:label>
    <link:label id="lab_ifrs-full_MaterialReconcilingItemsMember_label_en-US" xlink:label="lab_ifrs-full_MaterialReconcilingItemsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Material reconciling items [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MaterialReconcilingItemsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MaterialReconcilingItemsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MaterialReconcilingItemsMember" xlink:to="lab_ifrs-full_MaterialReconcilingItemsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IssueOfConvertibleInstruments_019b0124-06b3-705d-af5d-1a0dc4fb8fea_terseLabel_en-US" xlink:label="lab_ifrs-full_IssueOfConvertibleInstruments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Issue of convertible bonds</link:label>
    <link:label id="lab_ifrs-full_IssueOfConvertibleInstruments_label_en-US" xlink:label="lab_ifrs-full_IssueOfConvertibleInstruments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Issue of convertible instruments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IssueOfConvertibleInstruments" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IssueOfConvertibleInstruments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IssueOfConvertibleInstruments" xlink:to="lab_ifrs-full_IssueOfConvertibleInstruments" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers_019b0124-06b3-7242-9f6c-c66249387e22_terseLabel_en-US" xlink:label="lab_ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trade creditors</link:label>
    <link:label id="lab_ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers_label_en-US" xlink:label="lab_ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current trade payables</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers" xlink:to="lab_ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk_019b0124-073c-7ba7-8bfb-3850478488c6_terseLabel_en-US" xlink:label="lab_ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Sensitivity Analysis</link:label>
    <link:label id="lab_ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk_label_en-US" xlink:label="lab_ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sensitivity analysis for types of market risk [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk" xlink:to="lab_ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_KeyManagementPersonnelCompensation_019b0124-061c-7d0d-8842-40daa9dae9e6_totalLabel_en-US" xlink:label="lab_ifrs-full_KeyManagementPersonnelCompensation" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Key management personnel compensation</link:label>
    <link:label id="lab_ifrs-full_KeyManagementPersonnelCompensation_label_en-US" xlink:label="lab_ifrs-full_KeyManagementPersonnelCompensation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Key management personnel compensation</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_KeyManagementPersonnelCompensation" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_KeyManagementPersonnelCompensation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_KeyManagementPersonnelCompensation" xlink:to="lab_ifrs-full_KeyManagementPersonnelCompensation" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NumberOfSharesIssuedAbstract_019be67d-73fc-79e8-8259-0bfc20673ced_terseLabel_en-US" xlink:label="lab_ifrs-full_NumberOfSharesIssuedAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of shares issued [abstract]</link:label>
    <link:label id="lab_ifrs-full_NumberOfSharesIssuedAbstract_label_en-US" xlink:label="lab_ifrs-full_NumberOfSharesIssuedAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of shares issued [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfSharesIssuedAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NumberOfSharesIssuedAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfSharesIssuedAbstract" xlink:to="lab_ifrs-full_NumberOfSharesIssuedAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ReceiptsFromSalesOfGoodsAndRenderingOfServices_019b0124-06b3-750f-a02a-41ac56ffc45f_terseLabel_en-US" xlink:label="lab_ifrs-full_ReceiptsFromSalesOfGoodsAndRenderingOfServices" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Receipts from customers</link:label>
    <link:label id="lab_ifrs-full_ReceiptsFromSalesOfGoodsAndRenderingOfServices_label_en-US" xlink:label="lab_ifrs-full_ReceiptsFromSalesOfGoodsAndRenderingOfServices" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Receipts from sales of goods and rendering of services</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReceiptsFromSalesOfGoodsAndRenderingOfServices" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReceiptsFromSalesOfGoodsAndRenderingOfServices"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReceiptsFromSalesOfGoodsAndRenderingOfServices" xlink:to="lab_ifrs-full_ReceiptsFromSalesOfGoodsAndRenderingOfServices" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_DeferredTaxLiabilitiesPursuantToSetOffProvisions_019bfcc6-b67c-713f-8a65-db1668c026c9_negatedTerseLabel_en-US" xlink:label="lab_tlx_DeferredTaxLiabilitiesPursuantToSetOffProvisions" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Set-off of deferred tax liabilities pursuant to set-off provisions</link:label>
    <link:label id="lab_tlx_DeferredTaxLiabilitiesPursuantToSetOffProvisions_label_en-US" xlink:label="lab_tlx_DeferredTaxLiabilitiesPursuantToSetOffProvisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax liabilities Pursuant To Set-Off Provisions</link:label>
    <link:label id="lab_tlx_DeferredTaxLiabilitiesPursuantToSetOffProvisions_documentation_en-US" xlink:label="lab_tlx_DeferredTaxLiabilitiesPursuantToSetOffProvisions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase (decrease) in deferred tax assets pursuant to set-off provisions.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_DeferredTaxLiabilitiesPursuantToSetOffProvisions" xlink:href="tlx-20251231.xsd#tlx_DeferredTaxLiabilitiesPursuantToSetOffProvisions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_DeferredTaxLiabilitiesPursuantToSetOffProvisions" xlink:to="lab_tlx_DeferredTaxLiabilitiesPursuantToSetOffProvisions" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfInventoriesAbstract_019b0124-06b4-7f2f-bd7d-b558661d0cea_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfInventoriesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of current inventories [abstract]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfInventoriesAbstract_label_en-US" xlink:label="lab_ifrs-full_ClassesOfInventoriesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of current inventories [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfInventoriesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfInventoriesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfInventoriesAbstract" xlink:to="lab_ifrs-full_ClassesOfInventoriesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_CurrentEmployeeBenefitObligations_019b0124-061c-7b29-9153-ae78358f1965_terseLabel_en-US" xlink:label="lab_tlx_CurrentEmployeeBenefitObligations" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Employee benefit obligations</link:label>
    <link:label id="lab_tlx_CurrentEmployeeBenefitObligations_label_en-US" xlink:label="lab_tlx_CurrentEmployeeBenefitObligations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current Employee Benefit Obligations</link:label>
    <link:label id="lab_tlx_CurrentEmployeeBenefitObligations_documentation_en-US" xlink:label="lab_tlx_CurrentEmployeeBenefitObligations" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of current employee benefit obligations.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_CurrentEmployeeBenefitObligations" xlink:href="tlx-20251231.xsd#tlx_CurrentEmployeeBenefitObligations"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_CurrentEmployeeBenefitObligations" xlink:to="lab_tlx_CurrentEmployeeBenefitObligations" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_FinanceCostAbstract_019b0124-06b3-7e11-b5c8-c94af5add14c_terseLabel_en-US" xlink:label="lab_tlx_FinanceCostAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Finance cost [Abstract]</link:label>
    <link:label id="lab_tlx_FinanceCostAbstract_label_en-US" xlink:label="lab_tlx_FinanceCostAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finance cost [Abstract]</link:label>
    <link:label id="lab_tlx_FinanceCostAbstract_documentation_en-US" xlink:label="lab_tlx_FinanceCostAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Finance cost [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_FinanceCostAbstract" xlink:href="tlx-20251231.xsd#tlx_FinanceCostAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_FinanceCostAbstract" xlink:to="lab_tlx_FinanceCostAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_OperatingSegmentAssetsAndLiabilitiesAbstract_019b0124-061c-75f1-889c-aedccb3ee683_terseLabel_en-US" xlink:label="lab_tlx_OperatingSegmentAssetsAndLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating Segment Assets and Liabilities [Abstract]</link:label>
    <link:label id="lab_tlx_OperatingSegmentAssetsAndLiabilitiesAbstract_label_en-US" xlink:label="lab_tlx_OperatingSegmentAssetsAndLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating segment assets and liabilities [Abstract]</link:label>
    <link:label id="lab_tlx_OperatingSegmentAssetsAndLiabilitiesAbstract_documentation_en-US" xlink:label="lab_tlx_OperatingSegmentAssetsAndLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Operating segment assets and liabilities [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_OperatingSegmentAssetsAndLiabilitiesAbstract" xlink:href="tlx-20251231.xsd#tlx_OperatingSegmentAssetsAndLiabilitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_OperatingSegmentAssetsAndLiabilitiesAbstract" xlink:to="lab_tlx_OperatingSegmentAssetsAndLiabilitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfCreditRiskExposureLineItems_019bea1c-d31a-74b5-8931-577435b64f0a_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfCreditRiskExposureLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of credit risk exposure [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfCreditRiskExposureLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfCreditRiskExposureLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of credit risk exposure [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfCreditRiskExposureLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfCreditRiskExposureLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfCreditRiskExposureLineItems" xlink:to="lab_ifrs-full_DisclosureOfCreditRiskExposureLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDefinedBenefitPlansExplanatory_019b0124-061c-7cf9-8a91-b7507edad415_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDefinedBenefitPlansExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Employee Benefit Obligations</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDefinedBenefitPlansExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDefinedBenefitPlansExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of defined benefit plans [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDefinedBenefitPlansExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDefinedBenefitPlansExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDefinedBenefitPlansExplanatory" xlink:to="lab_ifrs-full_DisclosureOfDefinedBenefitPlansExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesTable_019b0124-061c-770c-968a-23aa9fd5172d_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of maturity analysis for non-derivative financial liabilities [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of maturity analysis for non-derivative financial liabilities [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesTable" xlink:to="lab_ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OrdinarySharesMember_019b0124-06b4-7101-9d41-52310496bb44_terseLabel_en-US" xlink:label="lab_ifrs-full_OrdinarySharesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Ordinary shares</link:label>
    <link:label id="lab_ifrs-full_OrdinarySharesMember_label_en-US" xlink:label="lab_ifrs-full_OrdinarySharesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Ordinary shares [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OrdinarySharesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OrdinarySharesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OrdinarySharesMember" xlink:to="lab_ifrs-full_OrdinarySharesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfAuditorsRemunerationExplanatory_019b0124-061c-7061-a33c-7b0a783479b9_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfAuditorsRemunerationExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Remuneration of auditor</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfAuditorsRemunerationExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfAuditorsRemunerationExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of auditors' remuneration [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfAuditorsRemunerationExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfAuditorsRemunerationExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfAuditorsRemunerationExplanatory" xlink:to="lab_ifrs-full_DisclosureOfAuditorsRemunerationExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfEarningsPerShareExplanatory_019b0124-061c-7529-b890-360c1deb96c9_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfEarningsPerShareExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Earnings per share</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfEarningsPerShareExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfEarningsPerShareExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of earnings per share [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfEarningsPerShareExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfEarningsPerShareExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfEarningsPerShareExplanatory" xlink:to="lab_ifrs-full_DisclosureOfEarningsPerShareExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GrossCarryingAmountMember_019be8fd-1c35-75d4-a1b5-273f30191c5d_verboseLabel_en-US" xlink:label="lab_ifrs-full_GrossCarryingAmountMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Gross carrying amount</link:label>
    <link:label id="lab_ifrs-full_GrossCarryingAmountMember_019b0124-06b3-73eb-936e-1e9693a80d9f_terseLabel_en-US" xlink:label="lab_ifrs-full_GrossCarryingAmountMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cost</link:label>
    <link:label id="lab_ifrs-full_GrossCarryingAmountMember_label_en-US" xlink:label="lab_ifrs-full_GrossCarryingAmountMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gross carrying amount [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GrossCarryingAmountMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GrossCarryingAmountMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GrossCarryingAmountMember" xlink:to="lab_ifrs-full_GrossCarryingAmountMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TradeAndOtherCurrentPayables_019b0124-073c-713b-b985-f8df775f6058_terseLabel_en-US" xlink:label="lab_ifrs-full_TradeAndOtherCurrentPayables" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trade and other payables</link:label>
    <link:label id="lab_ifrs-full_TradeAndOtherCurrentPayables_019b0124-073c-7480-80a9-e49eb5d19151_totalLabel_en-US" xlink:label="lab_ifrs-full_TradeAndOtherCurrentPayables" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total trade and other payables</link:label>
    <link:label id="lab_ifrs-full_TradeAndOtherCurrentPayables_019be116-79ba-7f6c-a4f9-8b934ac5f16e_verboseLabel_en-US" xlink:label="lab_ifrs-full_TradeAndOtherCurrentPayables" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Trade and other payables, carrying amount</link:label>
    <link:label id="lab_ifrs-full_TradeAndOtherCurrentPayables_label_en-US" xlink:label="lab_ifrs-full_TradeAndOtherCurrentPayables" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trade and other current payables</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TradeAndOtherCurrentPayables" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TradeAndOtherCurrentPayables"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TradeAndOtherCurrentPayables" xlink:to="lab_ifrs-full_TradeAndOtherCurrentPayables" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ApplicableTaxRate_019bfca9-9872-7e6d-9c1c-1f024c45dc87_terseLabel_en-US" xlink:label="lab_ifrs-full_ApplicableTaxRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Applicable tax rate</link:label>
    <link:label id="lab_ifrs-full_ApplicableTaxRate_label_en-US" xlink:label="lab_ifrs-full_ApplicableTaxRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Applicable tax rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ApplicableTaxRate" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ApplicableTaxRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ApplicableTaxRate" xlink:to="lab_ifrs-full_ApplicableTaxRate" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AuditorsRemunerationAbstract_019b0124-061c-7364-971f-33ccfbeefea9_terseLabel_en-US" xlink:label="lab_ifrs-full_AuditorsRemunerationAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Auditor's remuneration [abstract]</link:label>
    <link:label id="lab_ifrs-full_AuditorsRemunerationAbstract_label_en-US" xlink:label="lab_ifrs-full_AuditorsRemunerationAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Auditor's remuneration [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AuditorsRemunerationAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AuditorsRemunerationAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AuditorsRemunerationAbstract" xlink:to="lab_ifrs-full_AuditorsRemunerationAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfInventoriesExplanatory_019b0124-06b3-7c56-b954-f354685195ed_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfInventoriesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Inventories</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfInventoriesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfInventoriesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of inventories [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfInventoriesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfInventoriesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfInventoriesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfInventoriesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ScheduleOfDisclosureOfDeferredTaxLiabilitiesTextBlock_019be9b1-1d3b-7bd5-95dc-6539c6e8a113_terseLabel_en-US" xlink:label="lab_tlx_ScheduleOfDisclosureOfDeferredTaxLiabilitiesTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule Of Disclosure of Deferred Tax Liabilities</link:label>
    <link:label id="lab_tlx_ScheduleOfDisclosureOfDeferredTaxLiabilitiesTextBlock_label_en-US" xlink:label="lab_tlx_ScheduleOfDisclosureOfDeferredTaxLiabilitiesTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Disclosure of Deferred Tax Liabilities [Text Block]</link:label>
    <link:label id="lab_tlx_ScheduleOfDisclosureOfDeferredTaxLiabilitiesTextBlock_documentation_en-US" xlink:label="lab_tlx_ScheduleOfDisclosureOfDeferredTaxLiabilitiesTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule Of Disclosure of Deferred Tax Liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ScheduleOfDisclosureOfDeferredTaxLiabilitiesTextBlock" xlink:href="tlx-20251231.xsd#tlx_ScheduleOfDisclosureOfDeferredTaxLiabilitiesTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ScheduleOfDisclosureOfDeferredTaxLiabilitiesTextBlock" xlink:to="lab_tlx_ScheduleOfDisclosureOfDeferredTaxLiabilitiesTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AccrualsClassifiedAsCurrent_019b0124-055d-7367-8197-0e97eef28927_terseLabel_en-US" xlink:label="lab_ifrs-full_AccrualsClassifiedAsCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accruals</link:label>
    <link:label id="lab_ifrs-full_AccrualsClassifiedAsCurrent_label_en-US" xlink:label="lab_ifrs-full_AccrualsClassifiedAsCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accruals classified as current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AccrualsClassifiedAsCurrent" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AccrualsClassifiedAsCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AccrualsClassifiedAsCurrent" xlink:to="lab_ifrs-full_AccrualsClassifiedAsCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory_019b0124-055d-7ce0-8aa7-67b95132d86a_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Intangible assets</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for intangible assets and goodwill [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_PlantAndEquipmentMember_019bfc7b-5832-7c2a-b42d-a4a5e8c31fa7_terseLabel_en-US" xlink:label="lab_tlx_PlantAndEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Plant and equipment</link:label>
    <link:label id="lab_tlx_PlantAndEquipmentMember_label_en-US" xlink:label="lab_tlx_PlantAndEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Plant And Equipment [Member]</link:label>
    <link:label id="lab_tlx_PlantAndEquipmentMember_documentation_en-US" xlink:label="lab_tlx_PlantAndEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Plant And Equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_PlantAndEquipmentMember" xlink:href="tlx-20251231.xsd#tlx_PlantAndEquipmentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_PlantAndEquipmentMember" xlink:to="lab_tlx_PlantAndEquipmentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_LocalPhoneNumber_019b0124-06b4-7186-939f-2e2f891c343e_terseLabel_en-US" xlink:label="lab_dei_LocalPhoneNumber" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Local Phone Number</link:label>
    <link:label id="lab_dei_LocalPhoneNumber_label_en-US" xlink:label="lab_dei_LocalPhoneNumber" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Local Phone Number</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_LocalPhoneNumber"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_LocalPhoneNumber" xlink:to="lab_dei_LocalPhoneNumber" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantedPercentage_019b0124-061c-74b1-9839-0a198da3677e_terseLabel_en-US" xlink:label="lab_tlx_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantedPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of options granted to PSARs (in percentage)</link:label>
    <link:label id="lab_tlx_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantedPercentage_label_en-US" xlink:label="lab_tlx_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantedPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-Based Compensation Arrangement By Share-Based Payment Award, Options Granted Percentage</link:label>
    <link:label id="lab_tlx_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantedPercentage_documentation_en-US" xlink:label="lab_tlx_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantedPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage of share options granted to performance-based stock awards holders out of the target.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantedPercentage" xlink:href="tlx-20251231.xsd#tlx_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantedPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantedPercentage" xlink:to="lab_tlx_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantedPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NotLaterThanOneYearMember_019b0124-061c-7e25-841e-978d8285d8f9_terseLabel_en-US" xlink:label="lab_ifrs-full_NotLaterThanOneYearMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Due 1 year</link:label>
    <link:label id="lab_ifrs-full_NotLaterThanOneYearMember_label_en-US" xlink:label="lab_ifrs-full_NotLaterThanOneYearMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Not later than one year [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NotLaterThanOneYearMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NotLaterThanOneYearMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NotLaterThanOneYearMember" xlink:to="lab_ifrs-full_NotLaterThanOneYearMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SellingGeneralAndAdministrativeExpenseAbstract_019b0124-061c-763c-9046-9a80cc5948ad_terseLabel_en-US" xlink:label="lab_ifrs-full_SellingGeneralAndAdministrativeExpenseAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Selling, general and administrative expense [abstract]</link:label>
    <link:label id="lab_ifrs-full_SellingGeneralAndAdministrativeExpenseAbstract_label_en-US" xlink:label="lab_ifrs-full_SellingGeneralAndAdministrativeExpenseAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Selling, general and administrative expense [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SellingGeneralAndAdministrativeExpenseAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SellingGeneralAndAdministrativeExpenseAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SellingGeneralAndAdministrativeExpenseAbstract" xlink:to="lab_ifrs-full_SellingGeneralAndAdministrativeExpenseAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentAbstract_019b0124-06b3-7699-8af8-c2707d035dea_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about property, plant and equipment [abstract]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about property, plant and equipment [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfPropertyPlantAndEquipmentAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfPropertyPlantAndEquipmentAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfPropertyPlantAndEquipmentAbstract" xlink:to="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputRecognisedInProfitOrLossBeforeTaxLiabilities_019b0124-061c-7cef-99e0-8dc63c35d092_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputRecognisedInProfitOrLossBeforeTaxLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Increase (decrease) in fair value measurement due to reasonably possible increase in unobservable input, recognised in profit or loss, before tax, liabilities</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputRecognisedInProfitOrLossBeforeTaxLiabilities_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputRecognisedInProfitOrLossBeforeTaxLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) in fair value measurement due to reasonably possible increase in unobservable input, recognised in profit or loss, before tax, liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputRecognisedInProfitOrLossBeforeTaxLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputRecognisedInProfitOrLossBeforeTaxLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputRecognisedInProfitOrLossBeforeTaxLiabilities" xlink:to="lab_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputRecognisedInProfitOrLossBeforeTaxLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_DisclosureOfTradeAndOtherPayablesExplanatoryTextBlock_019b0124-06b3-732e-b351-2c67c484c933_terseLabel_en-US" xlink:label="lab_tlx_DisclosureOfTradeAndOtherPayablesExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trade and Other Payables</link:label>
    <link:label id="lab_tlx_DisclosureOfTradeAndOtherPayablesExplanatoryTextBlock_label_en-US" xlink:label="lab_tlx_DisclosureOfTradeAndOtherPayablesExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Trade And Other Payables Explanatory [Text Block]</link:label>
    <link:label id="lab_tlx_DisclosureOfTradeAndOtherPayablesExplanatoryTextBlock_documentation_en-US" xlink:label="lab_tlx_DisclosureOfTradeAndOtherPayablesExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The tabular disclosure of information about trade and other payables.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_DisclosureOfTradeAndOtherPayablesExplanatoryTextBlock" xlink:href="tlx-20251231.xsd#tlx_DisclosureOfTradeAndOtherPayablesExplanatoryTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_DisclosureOfTradeAndOtherPayablesExplanatoryTextBlock" xlink:to="lab_tlx_DisclosureOfTradeAndOtherPayablesExplanatoryTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ASXSecuritiesMember_019c21f8-cfc6-750b-9a13-a4391c3a991a_terseLabel_en-US" xlink:label="lab_tlx_ASXSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">ASX securities</link:label>
    <link:label id="lab_tlx_ASXSecuritiesMember_label_en-US" xlink:label="lab_tlx_ASXSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ASX Securities [Member]</link:label>
    <link:label id="lab_tlx_ASXSecuritiesMember_documentation_en-US" xlink:label="lab_tlx_ASXSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">ASX Securities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ASXSecuritiesMember" xlink:href="tlx-20251231.xsd#tlx_ASXSecuritiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ASXSecuritiesMember" xlink:to="lab_tlx_ASXSecuritiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentPortionOfNoncurrentBorrowingsByTypeAbstract_019be939-a115-7f27-b89c-f2c5f7811bb0_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentPortionOfNoncurrentBorrowingsByTypeAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-current</link:label>
    <link:label id="lab_ifrs-full_NoncurrentPortionOfNoncurrentBorrowingsByTypeAbstract_label_en-US" xlink:label="lab_ifrs-full_NoncurrentPortionOfNoncurrentBorrowingsByTypeAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-current portion of non-current borrowings, by type [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentPortionOfNoncurrentBorrowingsByTypeAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentPortionOfNoncurrentBorrowingsByTypeAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentPortionOfNoncurrentBorrowingsByTypeAbstract" xlink:to="lab_ifrs-full_NoncurrentPortionOfNoncurrentBorrowingsByTypeAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ProvisionsForEmployeeBenefitsAnnualLeave_019b0124-061c-7757-b8fc-c36fe4005d26_terseLabel_en-US" xlink:label="lab_tlx_ProvisionsForEmployeeBenefitsAnnualLeave" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Annual leave</link:label>
    <link:label id="lab_tlx_ProvisionsForEmployeeBenefitsAnnualLeave_label_en-US" xlink:label="lab_tlx_ProvisionsForEmployeeBenefitsAnnualLeave" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provisions For Employee Benefits, Annual Leave</link:label>
    <link:label id="lab_tlx_ProvisionsForEmployeeBenefitsAnnualLeave_documentation_en-US" xlink:label="lab_tlx_ProvisionsForEmployeeBenefitsAnnualLeave" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of current annual leave employee benefit obligations.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ProvisionsForEmployeeBenefitsAnnualLeave" xlink:href="tlx-20251231.xsd#tlx_ProvisionsForEmployeeBenefitsAnnualLeave"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ProvisionsForEmployeeBenefitsAnnualLeave" xlink:to="lab_tlx_ProvisionsForEmployeeBenefitsAnnualLeave" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_IncreaseDecreaseInOtherProvisionAdjustedToPropertyPlantAndEquipment_019b0124-06b3-718a-9dc7-13867494ac0c_terseLabel_en-US" xlink:label="lab_tlx_IncreaseDecreaseInOtherProvisionAdjustedToPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amounts adjusted to property, plant and equipment</link:label>
    <link:label id="lab_tlx_IncreaseDecreaseInOtherProvisionAdjustedToPropertyPlantAndEquipment_label_en-US" xlink:label="lab_tlx_IncreaseDecreaseInOtherProvisionAdjustedToPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) In Other Provision Adjusted To Property Plant And Equipment</link:label>
    <link:label id="lab_tlx_IncreaseDecreaseInOtherProvisionAdjustedToPropertyPlantAndEquipment_documentation_en-US" xlink:label="lab_tlx_IncreaseDecreaseInOtherProvisionAdjustedToPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of increase (decrease) in other provision adjusted to property plant and equipment.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_IncreaseDecreaseInOtherProvisionAdjustedToPropertyPlantAndEquipment" xlink:href="tlx-20251231.xsd#tlx_IncreaseDecreaseInOtherProvisionAdjustedToPropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_IncreaseDecreaseInOtherProvisionAdjustedToPropertyPlantAndEquipment" xlink:to="lab_tlx_IncreaseDecreaseInOtherProvisionAdjustedToPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_FinanceCostsAbstract_019b0124-061c-7ea3-b676-f5ccde194519_terseLabel_en-US" xlink:label="lab_tlx_FinanceCostsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Finance costs [Abstract]</link:label>
    <link:label id="lab_tlx_FinanceCostsAbstract_label_en-US" xlink:label="lab_tlx_FinanceCostsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finance Costs [Abstract]</link:label>
    <link:label id="lab_tlx_FinanceCostsAbstract_documentation_en-US" xlink:label="lab_tlx_FinanceCostsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Finance costs [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_FinanceCostsAbstract" xlink:href="tlx-20251231.xsd#tlx_FinanceCostsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_FinanceCostsAbstract" xlink:to="lab_tlx_FinanceCostsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IdentifiableIntangibleAssetsRecognisedAsOfAcquisitionDate_019b0124-061c-7298-8cbe-b8ebc1e851f4_terseLabel_en-US" xlink:label="lab_ifrs-full_IdentifiableIntangibleAssetsRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Intangible assets</link:label>
    <link:label id="lab_ifrs-full_IdentifiableIntangibleAssetsRecognisedAsOfAcquisitionDate_label_en-US" xlink:label="lab_ifrs-full_IdentifiableIntangibleAssetsRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Identifiable intangible assets recognised as of acquisition date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IdentifiableIntangibleAssetsRecognisedAsOfAcquisitionDate" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IdentifiableIntangibleAssetsRecognisedAsOfAcquisitionDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IdentifiableIntangibleAssetsRecognisedAsOfAcquisitionDate" xlink:to="lab_ifrs-full_IdentifiableIntangibleAssetsRecognisedAsOfAcquisitionDate" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AuditorsRemuneration_019b0124-06b3-72b1-bc3a-963f5a9741a7_totalLabel_en-US" xlink:label="lab_ifrs-full_AuditorsRemuneration" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Remuneration of auditor</link:label>
    <link:label id="lab_ifrs-full_AuditorsRemuneration_label_en-US" xlink:label="lab_ifrs-full_AuditorsRemuneration" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Auditor's remuneration</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AuditorsRemuneration" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AuditorsRemuneration"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AuditorsRemuneration" xlink:to="lab_ifrs-full_AuditorsRemuneration" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_IncreaseDecreaseThroughTransactionCostsArisingOnConvertibleBondsIssueShares_019b0124-06b4-7e98-a4ab-6b58f150b756_terseLabel_en-US" xlink:label="lab_tlx_IncreaseDecreaseThroughTransactionCostsArisingOnConvertibleBondsIssueShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transaction costs arising on convertible bonds issue (in shares)</link:label>
    <link:label id="lab_tlx_IncreaseDecreaseThroughTransactionCostsArisingOnConvertibleBondsIssueShares_label_en-US" xlink:label="lab_tlx_IncreaseDecreaseThroughTransactionCostsArisingOnConvertibleBondsIssueShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Transaction Costs Arising On Convertible Bonds Issue, Shares</link:label>
    <link:label id="lab_tlx_IncreaseDecreaseThroughTransactionCostsArisingOnConvertibleBondsIssueShares_documentation_en-US" xlink:label="lab_tlx_IncreaseDecreaseThroughTransactionCostsArisingOnConvertibleBondsIssueShares" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase (decrease) in equity resulting from the transaction costs arising on Convertible Bonds Issue, shares.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_IncreaseDecreaseThroughTransactionCostsArisingOnConvertibleBondsIssueShares" xlink:href="tlx-20251231.xsd#tlx_IncreaseDecreaseThroughTransactionCostsArisingOnConvertibleBondsIssueShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_IncreaseDecreaseThroughTransactionCostsArisingOnConvertibleBondsIssueShares" xlink:to="lab_tlx_IncreaseDecreaseThroughTransactionCostsArisingOnConvertibleBondsIssueShares" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LongtermBorrowings_019b0124-061c-700d-a95b-8d5f8f9ce56c_terseLabel_en-US" xlink:label="lab_ifrs-full_LongtermBorrowings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowings</link:label>
    <link:label id="lab_ifrs-full_LongtermBorrowings_019b0124-061c-79f0-b1bc-a9e232ef0a12_totalLabel_en-US" xlink:label="lab_ifrs-full_LongtermBorrowings" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Borrowings</link:label>
    <link:label id="lab_ifrs-full_LongtermBorrowings_019be93c-f0e0-7686-9d67-39f58455e83e_verboseLabel_en-US" xlink:label="lab_ifrs-full_LongtermBorrowings" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Due later than one year</link:label>
    <link:label id="lab_ifrs-full_LongtermBorrowings_019b3b24-863d-70b8-8532-c2d0744aec0a_netLabel_en-US" xlink:label="lab_ifrs-full_LongtermBorrowings" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:type="resource" xml:lang="en-US">Non-current</link:label>
    <link:label id="lab_ifrs-full_LongtermBorrowings_label_en-US" xlink:label="lab_ifrs-full_LongtermBorrowings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-current portion of non-current borrowings</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LongtermBorrowings" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LongtermBorrowings"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LongtermBorrowings" xlink:to="lab_ifrs-full_LongtermBorrowings" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInInventories_019b0124-073c-7e89-afd9-6087fbc01ccb_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInInventories" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Increase in inventory</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInInventories_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInInventories" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for decrease (increase) in inventories</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInInventories" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInInventories"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInInventories" xlink:to="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInInventories" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashTransferred_019b0124-061c-7000-98ae-81b03da87a0d_terseLabel_en-US" xlink:label="lab_ifrs-full_CashTransferred" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash paid</link:label>
    <link:label id="lab_ifrs-full_CashTransferred_label_en-US" xlink:label="lab_ifrs-full_CashTransferred" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash transferred</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashTransferred" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashTransferred"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashTransferred" xlink:to="lab_ifrs-full_CashTransferred" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory_019b0124-073c-75c4-bb04-98afe9602ba5_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, plant and equipment</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for property, plant and equipment [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_DeferredConsiderationRecognisedAsOfAcquisitionDate_019b446b-5656-7dbe-b9ef-c4ea31bd3374_terseLabel_en-US" xlink:label="lab_tlx_DeferredConsiderationRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred payment</link:label>
    <link:label id="lab_tlx_DeferredConsiderationRecognisedAsOfAcquisitionDate_label_en-US" xlink:label="lab_tlx_DeferredConsiderationRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Consideration Recognised As Of Acquisition Date</link:label>
    <link:label id="lab_tlx_DeferredConsiderationRecognisedAsOfAcquisitionDate_documentation_en-US" xlink:label="lab_tlx_DeferredConsiderationRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred Consideration Recognised As Of Acquisition Date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_DeferredConsiderationRecognisedAsOfAcquisitionDate" xlink:href="tlx-20251231.xsd#tlx_DeferredConsiderationRecognisedAsOfAcquisitionDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_DeferredConsiderationRecognisedAsOfAcquisitionDate" xlink:to="lab_tlx_DeferredConsiderationRecognisedAsOfAcquisitionDate" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred_019b0124-061c-7647-bff4-24ef1728c121_terseLabel_en-US" xlink:label="lab_ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total consideration</link:label>
    <link:label id="lab_ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred_019b0124-061c-7dff-9823-6d66575ef2ce_totalLabel_en-US" xlink:label="lab_ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total consideration</link:label>
    <link:label id="lab_ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred_label_en-US" xlink:label="lab_ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Consideration transferred, acquisition-date fair value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred" xlink:to="lab_ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_DescriptionOfAccountingPolicyForClassificationOfAssetsAndLiabilitiesPolicyTextBlock_019b0124-061c-7796-a87a-f69011b63e22_terseLabel_en-US" xlink:label="lab_tlx_DescriptionOfAccountingPolicyForClassificationOfAssetsAndLiabilitiesPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current and non-current classification</link:label>
    <link:label id="lab_tlx_DescriptionOfAccountingPolicyForClassificationOfAssetsAndLiabilitiesPolicyTextBlock_label_en-US" xlink:label="lab_tlx_DescriptionOfAccountingPolicyForClassificationOfAssetsAndLiabilitiesPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description Of Accounting Policy For Classification Of Assets And Liabilities [Policy Text Block]</link:label>
    <link:label id="lab_tlx_DescriptionOfAccountingPolicyForClassificationOfAssetsAndLiabilitiesPolicyTextBlock_documentation_en-US" xlink:label="lab_tlx_DescriptionOfAccountingPolicyForClassificationOfAssetsAndLiabilitiesPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The description of the entity's accounting policy for the basis for how the entity classifies assets and liabilities as current and non-current.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_DescriptionOfAccountingPolicyForClassificationOfAssetsAndLiabilitiesPolicyTextBlock" xlink:href="tlx-20251231.xsd#tlx_DescriptionOfAccountingPolicyForClassificationOfAssetsAndLiabilitiesPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_DescriptionOfAccountingPolicyForClassificationOfAssetsAndLiabilitiesPolicyTextBlock" xlink:to="lab_tlx_DescriptionOfAccountingPolicyForClassificationOfAssetsAndLiabilitiesPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities_019b0124-061c-792f-af30-3126b280977e_terseLabel_en-US" xlink:label="lab_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from borrowings</link:label>
    <link:label id="lab_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities_label_en-US" xlink:label="lab_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from borrowings, classified as financing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" xlink:to="lab_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities_019b0124-061c-79c0-b491-e62c3e366c0b_negatedLabel_en-US" xlink:label="lab_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Principal element of lease payments</link:label>
    <link:label id="lab_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities_019b0124-061c-7ee2-af01-46d474c66c32_terseLabel_en-US" xlink:label="lab_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash outflow for leases</link:label>
    <link:label id="lab_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities_label_en-US" xlink:label="lab_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments of lease liabilities, classified as financing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:to="lab_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_DisclosureOfDetailedInformationAboutCarryingAmountAndFairValueOfConvertibleBondsTableTextBlock_019b0124-06b4-7ead-be87-ace730009806_terseLabel_en-US" xlink:label="lab_tlx_DisclosureOfDetailedInformationAboutCarryingAmountAndFairValueOfConvertibleBondsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Convertible Bonds Carrying Amount and Fair Value</link:label>
    <link:label id="lab_tlx_DisclosureOfDetailedInformationAboutCarryingAmountAndFairValueOfConvertibleBondsTableTextBlock_label_en-US" xlink:label="lab_tlx_DisclosureOfDetailedInformationAboutCarryingAmountAndFairValueOfConvertibleBondsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Carrying Amount And Fair Value Of Convertible Bonds [Table Text Block]</link:label>
    <link:label id="lab_tlx_DisclosureOfDetailedInformationAboutCarryingAmountAndFairValueOfConvertibleBondsTableTextBlock_documentation_en-US" xlink:label="lab_tlx_DisclosureOfDetailedInformationAboutCarryingAmountAndFairValueOfConvertibleBondsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of detailed information about carrying amount and fair value of convertible bonds.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_DisclosureOfDetailedInformationAboutCarryingAmountAndFairValueOfConvertibleBondsTableTextBlock" xlink:href="tlx-20251231.xsd#tlx_DisclosureOfDetailedInformationAboutCarryingAmountAndFairValueOfConvertibleBondsTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_DisclosureOfDetailedInformationAboutCarryingAmountAndFairValueOfConvertibleBondsTableTextBlock" xlink:to="lab_tlx_DisclosureOfDetailedInformationAboutCarryingAmountAndFairValueOfConvertibleBondsTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityVoluntaryFilers_019b0124-06b4-7ba1-a3b2-0b52769db9c3_terseLabel_en-US" xlink:label="lab_dei_EntityVoluntaryFilers" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Voluntary Filers</link:label>
    <link:label id="lab_dei_EntityVoluntaryFilers_label_en-US" xlink:label="lab_dei_EntityVoluntaryFilers" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Voluntary Filers</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityVoluntaryFilers" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityVoluntaryFilers"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityVoluntaryFilers" xlink:to="lab_dei_EntityVoluntaryFilers" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_AcquisitionRelatedCosts_019b4462-8520-7cbc-a425-7199396a22c3_terseLabel_en-US" xlink:label="lab_tlx_AcquisitionRelatedCosts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Acquisition related costs</link:label>
    <link:label id="lab_tlx_AcquisitionRelatedCosts_label_en-US" xlink:label="lab_tlx_AcquisitionRelatedCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Acquisition Related Costs</link:label>
    <link:label id="lab_tlx_AcquisitionRelatedCosts_documentation_en-US" xlink:label="lab_tlx_AcquisitionRelatedCosts" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Acquisition Related Costs</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_AcquisitionRelatedCosts" xlink:href="tlx-20251231.xsd#tlx_AcquisitionRelatedCosts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_AcquisitionRelatedCosts" xlink:to="lab_tlx_AcquisitionRelatedCosts" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AuditorsRemunerationForTaxServices_019b0124-061c-7727-a923-0b9969f6a61c_terseLabel_en-US" xlink:label="lab_ifrs-full_AuditorsRemunerationForTaxServices" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other assurance services</link:label>
    <link:label id="lab_ifrs-full_AuditorsRemunerationForTaxServices_label_en-US" xlink:label="lab_ifrs-full_AuditorsRemunerationForTaxServices" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Auditor's remuneration for tax services</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AuditorsRemunerationForTaxServices" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AuditorsRemunerationForTaxServices"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AuditorsRemunerationForTaxServices" xlink:to="lab_ifrs-full_AuditorsRemunerationForTaxServices" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfBusinessCombinationsExplanatory_019b0124-06b4-794f-8c4c-e31543c23aa1_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfBusinessCombinationsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Acquisitions</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfBusinessCombinationsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfBusinessCombinationsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of business combinations [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfBusinessCombinationsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfBusinessCombinationsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfBusinessCombinationsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfBusinessCombinationsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProportionOfOwnershipInterestInSubsidiary_019b0124-061c-7876-bb5f-cc9166d4602d_terseLabel_en-US" xlink:label="lab_ifrs-full_ProportionOfOwnershipInterestInSubsidiary" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proportion of ownership interest in subsidiary</link:label>
    <link:label id="lab_ifrs-full_ProportionOfOwnershipInterestInSubsidiary_label_en-US" xlink:label="lab_ifrs-full_ProportionOfOwnershipInterestInSubsidiary" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proportion of ownership interest in subsidiary</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProportionOfOwnershipInterestInSubsidiary" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProportionOfOwnershipInterestInSubsidiary"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProportionOfOwnershipInterestInSubsidiary" xlink:to="lab_ifrs-full_ProportionOfOwnershipInterestInSubsidiary" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ConsiderationShareOptionsGranted_019b0124-073c-71e9-a094-00f7cd4407c3_terseLabel_en-US" xlink:label="lab_tlx_ConsiderationShareOptionsGranted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Consideration</link:label>
    <link:label id="lab_tlx_ConsiderationShareOptionsGranted_label_en-US" xlink:label="lab_tlx_ConsiderationShareOptionsGranted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Consideration, Share Options Granted</link:label>
    <link:label id="lab_tlx_ConsiderationShareOptionsGranted_documentation_en-US" xlink:label="lab_tlx_ConsiderationShareOptionsGranted" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The consideration of share options granted.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ConsiderationShareOptionsGranted" xlink:href="tlx-20251231.xsd#tlx_ConsiderationShareOptionsGranted"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ConsiderationShareOptionsGranted" xlink:to="lab_tlx_ConsiderationShareOptionsGranted" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_PlantEquipmentAndVehiclesMember_019c1231-6848-7c85-8e95-cb7635c29422_terseLabel_en-US" xlink:label="lab_tlx_PlantEquipmentAndVehiclesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Plant, equipment and vehicles</link:label>
    <link:label id="lab_tlx_PlantEquipmentAndVehiclesMember_label_en-US" xlink:label="lab_tlx_PlantEquipmentAndVehiclesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Plant, Equipment and Vehicles [Member]</link:label>
    <link:label id="lab_tlx_PlantEquipmentAndVehiclesMember_documentation_en-US" xlink:label="lab_tlx_PlantEquipmentAndVehiclesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Plant, Equipment and Vehicles</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_PlantEquipmentAndVehiclesMember" xlink:href="tlx-20251231.xsd#tlx_PlantEquipmentAndVehiclesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_PlantEquipmentAndVehiclesMember" xlink:to="lab_tlx_PlantEquipmentAndVehiclesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityRegistrantName_019b0124-06b4-7c18-bfd2-12a8836bc130_terseLabel_en-US" xlink:label="lab_dei_EntityRegistrantName" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Registrant Name</link:label>
    <link:label id="lab_dei_EntityRegistrantName_label_en-US" xlink:label="lab_dei_EntityRegistrantName" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Registrant Name</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityRegistrantName"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityRegistrantName" xlink:to="lab_dei_EntityRegistrantName" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BasicEarningsLossPerShare_019b0124-073c-7756-9524-872b602fc097_totalLabel_en-US" xlink:label="lab_ifrs-full_BasicEarningsLossPerShare" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total basic (loss)/earnings per share attributable to the ordinary equity holders of the Company (in dollars per share)</link:label>
    <link:label id="lab_ifrs-full_BasicEarningsLossPerShare_label_en-US" xlink:label="lab_ifrs-full_BasicEarningsLossPerShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Basic earnings (loss) per share</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BasicEarningsLossPerShare" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BasicEarningsLossPerShare"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BasicEarningsLossPerShare" xlink:to="lab_ifrs-full_BasicEarningsLossPerShare" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains_019b0124-06b3-76a3-a317-d5a0c9885086_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign exchange (losses)/gains</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for unrealised foreign exchange losses (gains)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains" xlink:to="lab_ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustedWeightedAverageShares_019b0124-073c-79c1-9f4d-8f2c99a83d9a_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustedWeightedAverageShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted average number of ordinary shares used as the denominator in calculating diluted earnings/loss per share (in shares)</link:label>
    <link:label id="lab_ifrs-full_AdjustedWeightedAverageShares_label_en-US" xlink:label="lab_ifrs-full_AdjustedWeightedAverageShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted average number of ordinary shares used in calculating diluted earnings per share</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustedWeightedAverageShares" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustedWeightedAverageShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustedWeightedAverageShares" xlink:to="lab_ifrs-full_AdjustedWeightedAverageShares" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_FairValueAdjustmentDeferredTaxAssets_019b4427-b371-70c5-94e2-82f7f1c29e5f_terseLabel_en-US" xlink:label="lab_tlx_FairValueAdjustmentDeferredTaxAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred tax asset</link:label>
    <link:label id="lab_tlx_FairValueAdjustmentDeferredTaxAssets_label_en-US" xlink:label="lab_tlx_FairValueAdjustmentDeferredTaxAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Adjustment, Deferred Tax Assets</link:label>
    <link:label id="lab_tlx_FairValueAdjustmentDeferredTaxAssets_documentation_en-US" xlink:label="lab_tlx_FairValueAdjustmentDeferredTaxAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Fair Value Adjustment, Deferred Tax Assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_FairValueAdjustmentDeferredTaxAssets" xlink:href="tlx-20251231.xsd#tlx_FairValueAdjustmentDeferredTaxAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_FairValueAdjustmentDeferredTaxAssets" xlink:to="lab_tlx_FairValueAdjustmentDeferredTaxAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_TaxEffectOfExchangeTranslationLoss_019b0124-061c-7c74-9f48-11a722cfd7f2_terseLabel_en-US" xlink:label="lab_tlx_TaxEffectOfExchangeTranslationLoss" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign exchange translation gains</link:label>
    <link:label id="lab_tlx_TaxEffectOfExchangeTranslationLoss_label_en-US" xlink:label="lab_tlx_TaxEffectOfExchangeTranslationLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax Effect Of Exchange Translation Loss</link:label>
    <link:label id="lab_tlx_TaxEffectOfExchangeTranslationLoss_documentation_en-US" xlink:label="lab_tlx_TaxEffectOfExchangeTranslationLoss" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount that represents the difference between the tax expense (income) and the product of the accounting profit multiplied by the applicable tax rate(s) that relates to exchange translation loss.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_TaxEffectOfExchangeTranslationLoss" xlink:href="tlx-20251231.xsd#tlx_TaxEffectOfExchangeTranslationLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_TaxEffectOfExchangeTranslationLoss" xlink:to="lab_tlx_TaxEffectOfExchangeTranslationLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillDomain_019b0124-061c-7709-a300-417388c8145d_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of intangible assets other than goodwill [domain]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillDomain_label_en-US" xlink:label="lab_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of intangible assets other than goodwill [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillDomain" xlink:to="lab_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable_019b0124-06b4-7daa-a7e9-3403729128f9_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of associates [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of associates [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable" xlink:to="lab_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_NonCurrentEmployeeBenefitObligations_019b0124-061c-7561-9957-f315398b0cbb_terseLabel_en-US" xlink:label="lab_tlx_NonCurrentEmployeeBenefitObligations" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Employee benefit obligations</link:label>
    <link:label id="lab_tlx_NonCurrentEmployeeBenefitObligations_label_en-US" xlink:label="lab_tlx_NonCurrentEmployeeBenefitObligations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-Current Employee Benefit Obligations</link:label>
    <link:label id="lab_tlx_NonCurrentEmployeeBenefitObligations_documentation_en-US" xlink:label="lab_tlx_NonCurrentEmployeeBenefitObligations" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The non-current portion of non-current employee benefit obligations.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_NonCurrentEmployeeBenefitObligations" xlink:href="tlx-20251231.xsd#tlx_NonCurrentEmployeeBenefitObligations"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_NonCurrentEmployeeBenefitObligations" xlink:to="lab_tlx_NonCurrentEmployeeBenefitObligations" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForSharebasedPayments_019b0124-06b4-7106-8ecd-88e31e14460e_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForSharebasedPayments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-based payments</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForSharebasedPayments_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForSharebasedPayments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for share-based payments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForSharebasedPayments" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForSharebasedPayments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForSharebasedPayments" xlink:to="lab_ifrs-full_AdjustmentsForSharebasedPayments" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_AdjustmentsForDecreaseIncreaseInOtherNonCurrentAssets_019b0124-06b3-7cd4-91c8-867f70ec1b4c_terseLabel_en-US" xlink:label="lab_tlx_AdjustmentsForDecreaseIncreaseInOtherNonCurrentAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Decrease/(increase) in other non-current assets</link:label>
    <link:label id="lab_tlx_AdjustmentsForDecreaseIncreaseInOtherNonCurrentAssets_label_en-US" xlink:label="lab_tlx_AdjustmentsForDecreaseIncreaseInOtherNonCurrentAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments For Decrease (Increase) In Other Non-Current Assets</link:label>
    <link:label id="lab_tlx_AdjustmentsForDecreaseIncreaseInOtherNonCurrentAssets_documentation_en-US" xlink:label="lab_tlx_AdjustmentsForDecreaseIncreaseInOtherNonCurrentAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Adjustments for decrease (increase) in other non-current assets to reconcile profit (loss) to net cash flow from (used in) operating activities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_AdjustmentsForDecreaseIncreaseInOtherNonCurrentAssets" xlink:href="tlx-20251231.xsd#tlx_AdjustmentsForDecreaseIncreaseInOtherNonCurrentAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_AdjustmentsForDecreaseIncreaseInOtherNonCurrentAssets" xlink:to="lab_tlx_AdjustmentsForDecreaseIncreaseInOtherNonCurrentAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ProvisionsMember_019b0124-061c-70c2-a41f-b4385ee63b73_terseLabel_en-US" xlink:label="lab_tlx_ProvisionsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Temporary differences in relation to provisions</link:label>
    <link:label id="lab_tlx_ProvisionsMember_label_en-US" xlink:label="lab_tlx_ProvisionsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provisions [Member]</link:label>
    <link:label id="lab_tlx_ProvisionsMember_documentation_en-US" xlink:label="lab_tlx_ProvisionsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for provisions.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ProvisionsMember" xlink:href="tlx-20251231.xsd#tlx_ProvisionsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ProvisionsMember" xlink:to="lab_tlx_ProvisionsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MiscellaneousCurrentAssetsAbstract_019b0124-073c-73d1-97ab-60f2ae12898b_terseLabel_en-US" xlink:label="lab_ifrs-full_MiscellaneousCurrentAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Miscellaneous current assets [abstract]</link:label>
    <link:label id="lab_ifrs-full_MiscellaneousCurrentAssetsAbstract_label_en-US" xlink:label="lab_ifrs-full_MiscellaneousCurrentAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Miscellaneous current assets [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MiscellaneousCurrentAssetsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MiscellaneousCurrentAssetsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MiscellaneousCurrentAssetsAbstract" xlink:to="lab_ifrs-full_MiscellaneousCurrentAssetsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MajorComponentsOfTaxExpenseIncomeAbstract_019b0124-06b3-71b8-b1df-6a77f773c43f_terseLabel_en-US" xlink:label="lab_ifrs-full_MajorComponentsOfTaxExpenseIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Major components of tax expense (income) [abstract]</link:label>
    <link:label id="lab_ifrs-full_MajorComponentsOfTaxExpenseIncomeAbstract_label_en-US" xlink:label="lab_ifrs-full_MajorComponentsOfTaxExpenseIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Major components of tax expense (income) [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MajorComponentsOfTaxExpenseIncomeAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MajorComponentsOfTaxExpenseIncomeAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MajorComponentsOfTaxExpenseIncomeAbstract" xlink:to="lab_ifrs-full_MajorComponentsOfTaxExpenseIncomeAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_DeferredTaxLiabilityOnAcquisition_019b0124-06b4-7e37-9226-8eebc6e299ff_terseLabel_en-US" xlink:label="lab_tlx_DeferredTaxLiabilityOnAcquisition" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Charges/(credit) on acquisition</link:label>
    <link:label id="lab_tlx_DeferredTaxLiabilityOnAcquisition_label_en-US" xlink:label="lab_tlx_DeferredTaxLiabilityOnAcquisition" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Liability On Acquisition</link:label>
    <link:label id="lab_tlx_DeferredTaxLiabilityOnAcquisition_documentation_en-US" xlink:label="lab_tlx_DeferredTaxLiabilityOnAcquisition" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of tax expense or income relating to changes in deferred tax liabilities recognized on acquisition.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_DeferredTaxLiabilityOnAcquisition" xlink:href="tlx-20251231.xsd#tlx_DeferredTaxLiabilityOnAcquisition"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_DeferredTaxLiabilityOnAcquisition" xlink:to="lab_tlx_DeferredTaxLiabilityOnAcquisition" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SegmentConsolidationItemsAxis_019b0124-06b4-75e7-bde7-9664120e2e2a_terseLabel_en-US" xlink:label="lab_ifrs-full_SegmentConsolidationItemsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segment consolidation items [axis]</link:label>
    <link:label id="lab_ifrs-full_SegmentConsolidationItemsAxis_label_en-US" xlink:label="lab_ifrs-full_SegmentConsolidationItemsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segment consolidation items [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SegmentConsolidationItemsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SegmentConsolidationItemsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SegmentConsolidationItemsAxis" xlink:to="lab_ifrs-full_SegmentConsolidationItemsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfEmployeeBenefitsExplanatory_019b0124-06b4-7453-b297-561bfdfe85f8_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfEmployeeBenefitsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Employee benefit obligations</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfEmployeeBenefitsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfEmployeeBenefitsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of employee benefits [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfEmployeeBenefitsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfEmployeeBenefitsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfEmployeeBenefitsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfEmployeeBenefitsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_BorrowingsMaturityTerm_019b0124-06b4-7eb6-9572-bad264cf9f2a_terseLabel_en-US" xlink:label="lab_tlx_BorrowingsMaturityTerm" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maturity date</link:label>
    <link:label id="lab_tlx_BorrowingsMaturityTerm_label_en-US" xlink:label="lab_tlx_BorrowingsMaturityTerm" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings Maturity, Term</link:label>
    <link:label id="lab_tlx_BorrowingsMaturityTerm_documentation_en-US" xlink:label="lab_tlx_BorrowingsMaturityTerm" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The maturity term of borrowings, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_BorrowingsMaturityTerm" xlink:href="tlx-20251231.xsd#tlx_BorrowingsMaturityTerm"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_BorrowingsMaturityTerm" xlink:to="lab_tlx_BorrowingsMaturityTerm" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory_019be9b4-f5a8-7f07-8106-a30c317763de_verboseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Intangible Assets</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of reconciliation of changes in intangible assets and goodwill [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory" xlink:to="lab_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_UnwindOfDiscount_019b0124-06b4-73ed-8bda-fd701a2df3fa_terseLabel_en-US" xlink:label="lab_tlx_UnwindOfDiscount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unwind of discount</link:label>
    <link:label id="lab_tlx_UnwindOfDiscount_label_en-US" xlink:label="lab_tlx_UnwindOfDiscount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unwind Of Discount</link:label>
    <link:label id="lab_tlx_UnwindOfDiscount_documentation_en-US" xlink:label="lab_tlx_UnwindOfDiscount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of unwind of discount in finance cost.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_UnwindOfDiscount" xlink:href="tlx-20251231.xsd#tlx_UnwindOfDiscount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_UnwindOfDiscount" xlink:to="lab_tlx_UnwindOfDiscount" xlink:type="arc" order="1"/>
    <link:label id="lab_currency_AllCurrenciesDomain_019b0124-06b4-7286-9954-d780de089af7_terseLabel_en-US" xlink:label="lab_currency_AllCurrenciesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">All Currencies [Domain]</link:label>
    <link:label id="lab_currency_AllCurrenciesDomain_label_en-US" xlink:label="lab_currency_AllCurrenciesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">All Currencies [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_currency_AllCurrenciesDomain" xlink:href="https://xbrl.sec.gov/currency/2025/currency-2025.xsd#currency_AllCurrenciesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_currency_AllCurrenciesDomain" xlink:to="lab_currency_AllCurrenciesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EquityAbstract_019b0124-06b4-7451-a987-5f076d25a868_terseLabel_en-US" xlink:label="lab_ifrs-full_EquityAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity</link:label>
    <link:label id="lab_ifrs-full_EquityAbstract_label_en-US" xlink:label="lab_ifrs-full_EquityAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EquityAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EquityAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EquityAbstract" xlink:to="lab_ifrs-full_EquityAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable_019b0124-073c-75e9-b093-b35177669017_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of disaggregation of revenue from contracts with customers [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of disaggregation of revenue from contracts with customers [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable" xlink:to="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialInstrumentsAbstract_019b0124-061c-7e80-bcdd-5e60b1ce5e9a_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialInstrumentsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about financial instruments [abstract]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialInstrumentsAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialInstrumentsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about financial instruments [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFinancialInstrumentsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinancialInstrumentsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinancialInstrumentsAbstract" xlink:to="lab_ifrs-full_DisclosureOfFinancialInstrumentsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_CommercialMember_019bfc9e-1daf-728a-92c9-288cfee9ce7a_terseLabel_en-US" xlink:label="lab_tlx_CommercialMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commercial</link:label>
    <link:label id="lab_tlx_CommercialMember_label_en-US" xlink:label="lab_tlx_CommercialMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commercial [Member]</link:label>
    <link:label id="lab_tlx_CommercialMember_documentation_en-US" xlink:label="lab_tlx_CommercialMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Commercial</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_CommercialMember" xlink:href="tlx-20251231.xsd#tlx_CommercialMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_CommercialMember" xlink:to="lab_tlx_CommercialMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfOperatingSegmentsAbstract_019b0124-06b4-73f2-bd3d-cc6ae96dca92_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOperatingSegmentsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of operating segments [abstract]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfOperatingSegmentsAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOperatingSegmentsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of operating segments [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOperatingSegmentsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfOperatingSegmentsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOperatingSegmentsAbstract" xlink:to="lab_ifrs-full_DisclosureOfOperatingSegmentsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_BusinessAcquisitionConsiderationTerm_019b0124-06b4-7c18-b918-81114c26a267_terseLabel_en-US" xlink:label="lab_tlx_BusinessAcquisitionConsiderationTerm" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Acquisition term (in years)</link:label>
    <link:label id="lab_tlx_BusinessAcquisitionConsiderationTerm_label_en-US" xlink:label="lab_tlx_BusinessAcquisitionConsiderationTerm" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Acquisition, Consideration Term</link:label>
    <link:label id="lab_tlx_BusinessAcquisitionConsiderationTerm_documentation_en-US" xlink:label="lab_tlx_BusinessAcquisitionConsiderationTerm" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The term of the note issued for consideration payable for the acquisition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_BusinessAcquisitionConsiderationTerm" xlink:href="tlx-20251231.xsd#tlx_BusinessAcquisitionConsiderationTerm"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_BusinessAcquisitionConsiderationTerm" xlink:to="lab_tlx_BusinessAcquisitionConsiderationTerm" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_PerformanceRightsIssuedAsOfAcquisitionDate_019b0124-061c-7aac-a20e-abed24b50a85_terseLabel_en-US" xlink:label="lab_tlx_PerformanceRightsIssuedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Performance rights issued</link:label>
    <link:label id="lab_tlx_PerformanceRightsIssuedAsOfAcquisitionDate_label_en-US" xlink:label="lab_tlx_PerformanceRightsIssuedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Performance Rights Issued As Of Acquisition Date</link:label>
    <link:label id="lab_tlx_PerformanceRightsIssuedAsOfAcquisitionDate_documentation_en-US" xlink:label="lab_tlx_PerformanceRightsIssuedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The fair value of performance rights issued by acquiree in the consideration at the date of acquisition.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_PerformanceRightsIssuedAsOfAcquisitionDate" xlink:href="tlx-20251231.xsd#tlx_PerformanceRightsIssuedAsOfAcquisitionDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_PerformanceRightsIssuedAsOfAcquisitionDate" xlink:to="lab_tlx_PerformanceRightsIssuedAsOfAcquisitionDate" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_UnrealisedForeignExchangeGainsLossesMember_019b0124-061c-7758-884a-b0085ed17489_terseLabel_en-US" xlink:label="lab_ifrs-full_UnrealisedForeignExchangeGainsLossesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unrealized foreign exchange gains</link:label>
    <link:label id="lab_ifrs-full_UnrealisedForeignExchangeGainsLossesMember_label_en-US" xlink:label="lab_ifrs-full_UnrealisedForeignExchangeGainsLossesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unrealised foreign exchange gains (losses) [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_UnrealisedForeignExchangeGainsLossesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_UnrealisedForeignExchangeGainsLossesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_UnrealisedForeignExchangeGainsLossesMember" xlink:to="lab_ifrs-full_UnrealisedForeignExchangeGainsLossesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesAbstract_019b0124-073c-7bbe-a8f9-058e8f378a03_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of transactions between related parties [abstract]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of transactions between related parties [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesAbstract" xlink:to="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ADSBackedSecuritiesMember_019c21fb-5216-78c8-a331-2c999445878c_terseLabel_en-US" xlink:label="lab_tlx_ADSBackedSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">ADS-backed securities</link:label>
    <link:label id="lab_tlx_ADSBackedSecuritiesMember_label_en-US" xlink:label="lab_tlx_ADSBackedSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ADS-Backed Securities [Member]</link:label>
    <link:label id="lab_tlx_ADSBackedSecuritiesMember_documentation_en-US" xlink:label="lab_tlx_ADSBackedSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">ADS-Backed Securities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ADSBackedSecuritiesMember" xlink:href="tlx-20251231.xsd#tlx_ADSBackedSecuritiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ADSBackedSecuritiesMember" xlink:to="lab_tlx_ADSBackedSecuritiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subclassifications of assets, liabilities and equities [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract" xlink:to="lab_ifrs-full_SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInOtherCurrentAssets_019b0124-055d-7bbe-b60a-1fcaac6d2e3e_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInOtherCurrentAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Decrease/(increase) in other current assets</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInOtherCurrentAssets_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInOtherCurrentAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for decrease (increase) in other current assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInOtherCurrentAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInOtherCurrentAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInOtherCurrentAssets" xlink:to="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInOtherCurrentAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill_019b0124-061c-7584-90aa-3f8b0df92d1f_terseLabel_en-US" xlink:label="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Additions</link:label>
    <link:label id="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill_label_en-US" xlink:label="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Additions other than through business combinations, intangible assets other than goodwill</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill" xlink:to="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfGeneralAndAdministrativeExpenseExplanatory_019b0124-06b4-7e90-8382-b3ea9deeb12a_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfGeneralAndAdministrativeExpenseExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">General and administration costs</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfGeneralAndAdministrativeExpenseExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfGeneralAndAdministrativeExpenseExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of general and administrative expense [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfGeneralAndAdministrativeExpenseExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfGeneralAndAdministrativeExpenseExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfGeneralAndAdministrativeExpenseExplanatory" xlink:to="lab_ifrs-full_DisclosureOfGeneralAndAdministrativeExpenseExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MarketApproachMember_019b0124-061c-77cc-a05d-62c5381c351c_terseLabel_en-US" xlink:label="lab_ifrs-full_MarketApproachMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Market approach</link:label>
    <link:label id="lab_ifrs-full_MarketApproachMember_label_en-US" xlink:label="lab_ifrs-full_MarketApproachMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Market approach [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MarketApproachMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MarketApproachMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MarketApproachMember" xlink:to="lab_ifrs-full_MarketApproachMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TradeAndOtherPayablesUndiscountedCashFlows_019be110-799b-7074-93e9-8faa2a96a47b_terseLabel_en-US" xlink:label="lab_ifrs-full_TradeAndOtherPayablesUndiscountedCashFlows" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trade and other payables</link:label>
    <link:label id="lab_ifrs-full_TradeAndOtherPayablesUndiscountedCashFlows_label_en-US" xlink:label="lab_ifrs-full_TradeAndOtherPayablesUndiscountedCashFlows" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trade and other payables, undiscounted cash flows</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TradeAndOtherPayablesUndiscountedCashFlows" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TradeAndOtherPayablesUndiscountedCashFlows"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TradeAndOtherPayablesUndiscountedCashFlows" xlink:to="lab_ifrs-full_TradeAndOtherPayablesUndiscountedCashFlows" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_SecondTrancheMember_019be697-1fb7-7431-a4bb-f5f29bc3a4f2_terseLabel_en-US" xlink:label="lab_tlx_SecondTrancheMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Second Tranche</link:label>
    <link:label id="lab_tlx_SecondTrancheMember_label_en-US" xlink:label="lab_tlx_SecondTrancheMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Second Tranche [Member]</link:label>
    <link:label id="lab_tlx_SecondTrancheMember_documentation_en-US" xlink:label="lab_tlx_SecondTrancheMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Second Tranche</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_SecondTrancheMember" xlink:href="tlx-20251231.xsd#tlx_SecondTrancheMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_SecondTrancheMember" xlink:to="lab_tlx_SecondTrancheMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_IcfrAuditorAttestationFlag_019b0124-061c-7f4e-8691-c156c88ba3ac_terseLabel_en-US" xlink:label="lab_dei_IcfrAuditorAttestationFlag" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">ICFR Auditor Attestation Flag</link:label>
    <link:label id="lab_dei_IcfrAuditorAttestationFlag_label_en-US" xlink:label="lab_dei_IcfrAuditorAttestationFlag" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ICFR Auditor Attestation Flag</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_IcfrAuditorAttestationFlag" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_IcfrAuditorAttestationFlag"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_IcfrAuditorAttestationFlag" xlink:to="lab_dei_IcfrAuditorAttestationFlag" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfEmployeeBenefitsExpenseAbstract_019b0124-06b3-7f8a-80fa-ca386aab4996_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfEmployeeBenefitsExpenseAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of employee benefits expense [abstract]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfEmployeeBenefitsExpenseAbstract_label_en-US" xlink:label="lab_ifrs-full_ClassesOfEmployeeBenefitsExpenseAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of employee benefits expense [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfEmployeeBenefitsExpenseAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfEmployeeBenefitsExpenseAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfEmployeeBenefitsExpenseAbstract" xlink:to="lab_ifrs-full_ClassesOfEmployeeBenefitsExpenseAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ProvisionForObsolescence_019be5b1-b5bb-7b76-9514-ff48ed7d1c7f_negatedLabel_en-US" xlink:label="lab_tlx_ProvisionForObsolescence" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Provision for obsolescence</link:label>
    <link:label id="lab_tlx_ProvisionForObsolescence_label_en-US" xlink:label="lab_tlx_ProvisionForObsolescence" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provision For Obsolescence</link:label>
    <link:label id="lab_tlx_ProvisionForObsolescence_documentation_en-US" xlink:label="lab_tlx_ProvisionForObsolescence" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">A classification of current inventory representing the amount of provision for obsolescence.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ProvisionForObsolescence" xlink:href="tlx-20251231.xsd#tlx_ProvisionForObsolescence"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ProvisionForObsolescence" xlink:to="lab_tlx_ProvisionForObsolescence" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_IncreaseDecreaseThroughIssueOfConvertibleBonds_019b0124-073c-784a-97f9-7de4291eb3ea_terseLabel_en-US" xlink:label="lab_tlx_IncreaseDecreaseThroughIssueOfConvertibleBonds" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Issue of convertible bonds (in shares)</link:label>
    <link:label id="lab_tlx_IncreaseDecreaseThroughIssueOfConvertibleBonds_label_en-US" xlink:label="lab_tlx_IncreaseDecreaseThroughIssueOfConvertibleBonds" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Issue Of Convertible Bonds</link:label>
    <link:label id="lab_tlx_IncreaseDecreaseThroughIssueOfConvertibleBonds_documentation_en-US" xlink:label="lab_tlx_IncreaseDecreaseThroughIssueOfConvertibleBonds" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The change in equity resulting from the issuing of convertible bonds.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_IncreaseDecreaseThroughIssueOfConvertibleBonds" xlink:href="tlx-20251231.xsd#tlx_IncreaseDecreaseThroughIssueOfConvertibleBonds"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_IncreaseDecreaseThroughIssueOfConvertibleBonds" xlink:to="lab_tlx_IncreaseDecreaseThroughIssueOfConvertibleBonds" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable_019b0124-06b4-7702-a9d8-56d005364a8f_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of temporary difference, unused tax losses and unused tax credits [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of temporary difference, unused tax losses and unused tax credits [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable" xlink:to="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ParentMember_019b44af-59bc-7653-9abe-14409805a54c_terseLabel_en-US" xlink:label="lab_ifrs-full_ParentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Parent</link:label>
    <link:label id="lab_ifrs-full_ParentMember_label_en-US" xlink:label="lab_ifrs-full_ParentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Parent [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ParentMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ParentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ParentMember" xlink:to="lab_ifrs-full_ParentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashOutflowForLeases_019b0124-073c-7bde-a926-9238e2a031eb_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_CashOutflowForLeases" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Lease payments (principal and interest)</link:label>
    <link:label id="lab_ifrs-full_CashOutflowForLeases_label_en-US" xlink:label="lab_ifrs-full_CashOutflowForLeases" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash outflow for leases</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashOutflowForLeases" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashOutflowForLeases"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashOutflowForLeases" xlink:to="lab_ifrs-full_CashOutflowForLeases" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_GrantDateJanuary12025Member_019c12d1-d9f1-7505-8457-47d5eb776f69_terseLabel_en-US" xlink:label="lab_tlx_GrantDateJanuary12025Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Grant Date January 1, 2025</link:label>
    <link:label id="lab_tlx_GrantDateJanuary12025Member_label_en-US" xlink:label="lab_tlx_GrantDateJanuary12025Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Grant Date January 1, 2025 [Member]</link:label>
    <link:label id="lab_tlx_GrantDateJanuary12025Member_documentation_en-US" xlink:label="lab_tlx_GrantDateJanuary12025Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Grant Date January 1, 2025</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_GrantDateJanuary12025Member" xlink:href="tlx-20251231.xsd#tlx_GrantDateJanuary12025Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_GrantDateJanuary12025Member" xlink:to="lab_tlx_GrantDateJanuary12025Member" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_A50ReductionInTerminalGrowthRateMember_019c21d2-ee07-727a-98aa-249013c41a29_terseLabel_en-US" xlink:label="lab_tlx_A50ReductionInTerminalGrowthRateMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">A 50% reduction in terminal growth rate</link:label>
    <link:label id="lab_tlx_A50ReductionInTerminalGrowthRateMember_label_en-US" xlink:label="lab_tlx_A50ReductionInTerminalGrowthRateMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">50% Reduction In Terminal Growth Rate [Member]</link:label>
    <link:label id="lab_tlx_A50ReductionInTerminalGrowthRateMember_documentation_en-US" xlink:label="lab_tlx_A50ReductionInTerminalGrowthRateMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">50% Reduction In Terminal Growth Rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_A50ReductionInTerminalGrowthRateMember" xlink:href="tlx-20251231.xsd#tlx_A50ReductionInTerminalGrowthRateMember"/>
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    <link:label id="lab_ifrs-full_DisclosureOfInstrumentsWithPotentialFutureDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShareLineItems_019b3a59-5a12-7527-bd39-76367b860385_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfInstrumentsWithPotentialFutureDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShareLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of instruments with potential future dilutive effect not included in calculation of diluted earnings per share [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfInstrumentsWithPotentialFutureDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShareLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfInstrumentsWithPotentialFutureDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShareLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of instruments with potential future dilutive effect not included in calculation of diluted earnings per share [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfInstrumentsWithPotentialFutureDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShareLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfInstrumentsWithPotentialFutureDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShareLineItems"/>
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    <link:label id="lab_ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable_019be8f9-d158-7090-8aee-aed60d7dd31c_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable" xlink:to="lab_ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_AuditorFirmId_019b0124-061c-784f-a2b5-20a900af8923_terseLabel_en-US" xlink:label="lab_dei_AuditorFirmId" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Auditor Firm ID</link:label>
    <link:label id="lab_dei_AuditorFirmId_label_en-US" xlink:label="lab_dei_AuditorFirmId" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Auditor Firm ID</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AuditorFirmId" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AuditorFirmId"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AuditorFirmId" xlink:to="lab_dei_AuditorFirmId" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_KeyManagementPersonnelCompensationPostemploymentBenefits_019b0124-06b3-7b85-b27d-e2df895a4916_terseLabel_en-US" xlink:label="lab_ifrs-full_KeyManagementPersonnelCompensationPostemploymentBenefits" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Superannuation entitlements</link:label>
    <link:label id="lab_ifrs-full_KeyManagementPersonnelCompensationPostemploymentBenefits_label_en-US" xlink:label="lab_ifrs-full_KeyManagementPersonnelCompensationPostemploymentBenefits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Key management personnel compensation, post-employment benefits</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_KeyManagementPersonnelCompensationPostemploymentBenefits" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_KeyManagementPersonnelCompensationPostemploymentBenefits"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_KeyManagementPersonnelCompensationPostemploymentBenefits" xlink:to="lab_ifrs-full_KeyManagementPersonnelCompensationPostemploymentBenefits" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfContractsAxis_019b0124-06b4-72d3-837c-634663a84d8c_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfContractsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Types of contracts [axis]</link:label>
    <link:label id="lab_ifrs-full_TypesOfContractsAxis_label_en-US" xlink:label="lab_ifrs-full_TypesOfContractsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Types of contracts [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfContractsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfContractsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfContractsAxis" xlink:to="lab_ifrs-full_TypesOfContractsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ProvisionsForEmployeeBenefitsBonusses_019be99d-e52e-7e1f-b3d9-722d7670ca94_terseLabel_en-US" xlink:label="lab_tlx_ProvisionsForEmployeeBenefitsBonusses" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bonuses</link:label>
    <link:label id="lab_tlx_ProvisionsForEmployeeBenefitsBonusses_label_en-US" xlink:label="lab_tlx_ProvisionsForEmployeeBenefitsBonusses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provisions For Employee Benefits, Bonusses</link:label>
    <link:label id="lab_tlx_ProvisionsForEmployeeBenefitsBonusses_documentation_en-US" xlink:label="lab_tlx_ProvisionsForEmployeeBenefitsBonusses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Provisions For Employee Benefits, Bonusses</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ProvisionsForEmployeeBenefitsBonusses" xlink:href="tlx-20251231.xsd#tlx_ProvisionsForEmployeeBenefitsBonusses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ProvisionsForEmployeeBenefitsBonusses" xlink:to="lab_tlx_ProvisionsForEmployeeBenefitsBonusses" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfContingentLiabilitiesAbstract_019b0124-06b4-7b99-9021-debe7790b676_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfContingentLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of contingent liabilities [abstract]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfContingentLiabilitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfContingentLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of contingent liabilities [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfContingentLiabilitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfContingentLiabilitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfContingentLiabilitiesAbstract" xlink:to="lab_ifrs-full_DisclosureOfContingentLiabilitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_DeferredTaxAssetMember_019c5567-ae11-7f7c-8a30-416b320d9b4a_terseLabel_en-US" xlink:label="lab_tlx_DeferredTaxAssetMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred tax asset</link:label>
    <link:label id="lab_tlx_DeferredTaxAssetMember_label_en-US" xlink:label="lab_tlx_DeferredTaxAssetMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Asset [Member]</link:label>
    <link:label id="lab_tlx_DeferredTaxAssetMember_documentation_en-US" xlink:label="lab_tlx_DeferredTaxAssetMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred Tax Asset</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_DeferredTaxAssetMember" xlink:href="tlx-20251231.xsd#tlx_DeferredTaxAssetMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_DeferredTaxAssetMember" xlink:to="lab_tlx_DeferredTaxAssetMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory_019b0124-061c-7702-b1fd-b9ea028bea06_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Revenue from Sale and Transfer of Goods and Services</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of disaggregation of revenue from contracts with customers [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory" xlink:to="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent_019b0124-06b4-781b-8cfb-a6c571b99d87_terseLabel_en-US" xlink:label="lab_ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Owners of Telix Pharmaceuticals Limited</link:label>
    <link:label id="lab_ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent_019b44af-d1bf-750f-b91d-b8150d8f9255_verboseLabel_en-US" xlink:label="lab_ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Total comprehensive loss for the year</link:label>
    <link:label id="lab_ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent_label_en-US" xlink:label="lab_ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Comprehensive income, attributable to owners of parent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" xlink:to="lab_ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_UpfrontCashConsideration_019b0124-061c-7126-8cbc-201469dd12a3_terseLabel_en-US" xlink:label="lab_tlx_UpfrontCashConsideration" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Upfront cash consideration</link:label>
    <link:label id="lab_tlx_UpfrontCashConsideration_label_en-US" xlink:label="lab_tlx_UpfrontCashConsideration" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Upfront Cash Consideration</link:label>
    <link:label id="lab_tlx_UpfrontCashConsideration_documentation_en-US" xlink:label="lab_tlx_UpfrontCashConsideration" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of upfront cash consideration to share of profits generated from QDOSE sales and a referral fee on deals.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_UpfrontCashConsideration" xlink:href="tlx-20251231.xsd#tlx_UpfrontCashConsideration"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_UpfrontCashConsideration" xlink:to="lab_tlx_UpfrontCashConsideration" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_UnallocatedIncomeExpensesAndEliminationsAbstract_019b0124-061c-7d57-bb37-4876f912a3b7_terseLabel_en-US" xlink:label="lab_tlx_UnallocatedIncomeExpensesAndEliminationsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unallocated income, expenses and eliminations:</link:label>
    <link:label id="lab_tlx_UnallocatedIncomeExpensesAndEliminationsAbstract_label_en-US" xlink:label="lab_tlx_UnallocatedIncomeExpensesAndEliminationsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unallocated income, expenses and eliminations [Abstract]</link:label>
    <link:label id="lab_tlx_UnallocatedIncomeExpensesAndEliminationsAbstract_documentation_en-US" xlink:label="lab_tlx_UnallocatedIncomeExpensesAndEliminationsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Unallocated income, expenses and eliminations [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_UnallocatedIncomeExpensesAndEliminationsAbstract" xlink:href="tlx-20251231.xsd#tlx_UnallocatedIncomeExpensesAndEliminationsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_UnallocatedIncomeExpensesAndEliminationsAbstract" xlink:to="lab_tlx_UnallocatedIncomeExpensesAndEliminationsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ChangeInRiskVariableDomain_019bfd87-29dd-70c1-9208-d5dea9b2026e_terseLabel_en-US" xlink:label="lab_tlx_ChangeInRiskVariableDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Change In Risk Variable [Domain]</link:label>
    <link:label id="lab_tlx_ChangeInRiskVariableDomain_label_en-US" xlink:label="lab_tlx_ChangeInRiskVariableDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Change In Risk Variable [Domain]</link:label>
    <link:label id="lab_tlx_ChangeInRiskVariableDomain_documentation_en-US" xlink:label="lab_tlx_ChangeInRiskVariableDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Change In Risk Variable [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ChangeInRiskVariableDomain" xlink:href="tlx-20251231.xsd#tlx_ChangeInRiskVariableDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ChangeInRiskVariableDomain" xlink:to="lab_tlx_ChangeInRiskVariableDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_GrantDateApril262024Member_019b0124-06b3-7d30-8524-7fbc275a8d0f_terseLabel_en-US" xlink:label="lab_tlx_GrantDateApril262024Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Grant date April 26, 2024</link:label>
    <link:label id="lab_tlx_GrantDateApril262024Member_label_en-US" xlink:label="lab_tlx_GrantDateApril262024Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Grant Date April 26, 2024 [Member]</link:label>
    <link:label id="lab_tlx_GrantDateApril262024Member_documentation_en-US" xlink:label="lab_tlx_GrantDateApril262024Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for a classification of grant date share based payment.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_GrantDateApril262024Member" xlink:href="tlx-20251231.xsd#tlx_GrantDateApril262024Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_GrantDateApril262024Member" xlink:to="lab_tlx_GrantDateApril262024Member" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_IncreaseDecreaseThroughNetExchangeDifferencesContingentConsideration_019be15e-c5c4-7522-9107-35c041d35070_terseLabel_en-US" xlink:label="lab_tlx_IncreaseDecreaseThroughNetExchangeDifferencesContingentConsideration" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exchange differences</link:label>
    <link:label id="lab_tlx_IncreaseDecreaseThroughNetExchangeDifferencesContingentConsideration_label_en-US" xlink:label="lab_tlx_IncreaseDecreaseThroughNetExchangeDifferencesContingentConsideration" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Net Exchange Differences, Contingent Consideration</link:label>
    <link:label id="lab_tlx_IncreaseDecreaseThroughNetExchangeDifferencesContingentConsideration_documentation_en-US" xlink:label="lab_tlx_IncreaseDecreaseThroughNetExchangeDifferencesContingentConsideration" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Net Exchange Differences, Contingent Consideration</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_IncreaseDecreaseThroughNetExchangeDifferencesContingentConsideration" xlink:href="tlx-20251231.xsd#tlx_IncreaseDecreaseThroughNetExchangeDifferencesContingentConsideration"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_IncreaseDecreaseThroughNetExchangeDifferencesContingentConsideration" xlink:to="lab_tlx_IncreaseDecreaseThroughNetExchangeDifferencesContingentConsideration" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProfitLossOfAcquiree_019c44e9-456f-71a2-9fd9-8e9674d18601_negatedLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossOfAcquiree" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Net loss of acquiree since acquisition date</link:label>
    <link:label id="lab_ifrs-full_ProfitLossOfAcquiree_label_en-US" xlink:label="lab_ifrs-full_ProfitLossOfAcquiree" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Profit (loss) of acquiree since acquisition date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLossOfAcquiree" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossOfAcquiree"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfitLossOfAcquiree" xlink:to="lab_ifrs-full_ProfitLossOfAcquiree" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Liabilities_019b0124-061c-7a71-9521-1762d296c1d6_totalLabel_en-US" xlink:label="lab_ifrs-full_Liabilities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total liabilities</link:label>
    <link:label id="lab_ifrs-full_Liabilities_019b0124-061c-7cc6-9b7c-b03dc242de4b_terseLabel_en-US" xlink:label="lab_ifrs-full_Liabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total liabilities</link:label>
    <link:label id="lab_ifrs-full_Liabilities_label_en-US" xlink:label="lab_ifrs-full_Liabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Liabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Liabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Liabilities" xlink:to="lab_ifrs-full_Liabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_currency_AUD_019b0124-061c-7718-baa4-59c5f57dbe29_terseLabel_en-US" xlink:label="lab_currency_AUD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">AUD</link:label>
    <link:label id="lab_currency_AUD_label_en-US" xlink:label="lab_currency_AUD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Australia, Dollars</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_currency_AUD" xlink:href="https://xbrl.sec.gov/currency/2025/currency-2025.xsd#currency_AUD"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_currency_AUD" xlink:to="lab_currency_AUD" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForGovernmentGrants_019b0124-061c-758d-b53d-7fb0ff2cb661_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForGovernmentGrants" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Government grants</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForGovernmentGrants_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForGovernmentGrants" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for government grants [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForGovernmentGrants" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForGovernmentGrants"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForGovernmentGrants" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForGovernmentGrants" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_BorrowingsCovenantPercentageOfCapitalAndReservesWhichCumulativeLossesShouldNotExceed_019be963-ded2-7206-9d7d-6bd7a81e2798_terseLabel_en-US" xlink:label="lab_tlx_BorrowingsCovenantPercentageOfCapitalAndReservesWhichCumulativeLossesShouldNotExceed" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Capital and reserves (in percent)</link:label>
    <link:label id="lab_tlx_BorrowingsCovenantPercentageOfCapitalAndReservesWhichCumulativeLossesShouldNotExceed_label_en-US" xlink:label="lab_tlx_BorrowingsCovenantPercentageOfCapitalAndReservesWhichCumulativeLossesShouldNotExceed" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings Covenant, Percentage Of Capital And Reserves Which Cumulative Losses Should Not Exceed</link:label>
    <link:label id="lab_tlx_BorrowingsCovenantPercentageOfCapitalAndReservesWhichCumulativeLossesShouldNotExceed_documentation_en-US" xlink:label="lab_tlx_BorrowingsCovenantPercentageOfCapitalAndReservesWhichCumulativeLossesShouldNotExceed" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Borrowings Covenant, Percentage Of Capital And Reserves Which Cumulative Losses Should Not Exceed</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_BorrowingsCovenantPercentageOfCapitalAndReservesWhichCumulativeLossesShouldNotExceed" xlink:href="tlx-20251231.xsd#tlx_BorrowingsCovenantPercentageOfCapitalAndReservesWhichCumulativeLossesShouldNotExceed"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_BorrowingsCovenantPercentageOfCapitalAndReservesWhichCumulativeLossesShouldNotExceed" xlink:to="lab_tlx_BorrowingsCovenantPercentageOfCapitalAndReservesWhichCumulativeLossesShouldNotExceed" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_InvestmentInSubLeasesNonCurrent_019c3305-6186-7110-b096-9240febe61e1_terseLabel_en-US" xlink:label="lab_tlx_InvestmentInSubLeasesNonCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investment in sub-leases</link:label>
    <link:label id="lab_tlx_InvestmentInSubLeasesNonCurrent_label_en-US" xlink:label="lab_tlx_InvestmentInSubLeasesNonCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investment In Sub-Leases, Non-current</link:label>
    <link:label id="lab_tlx_InvestmentInSubLeasesNonCurrent_documentation_en-US" xlink:label="lab_tlx_InvestmentInSubLeasesNonCurrent" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Investment In Sub-Leases, Non-current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_InvestmentInSubLeasesNonCurrent" xlink:href="tlx-20251231.xsd#tlx_InvestmentInSubLeasesNonCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_InvestmentInSubLeasesNonCurrent" xlink:to="lab_tlx_InvestmentInSubLeasesNonCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_GrantDateOctober172024Member_019c12d0-d4f8-754f-94e4-0f0bf90b45f7_terseLabel_en-US" xlink:label="lab_tlx_GrantDateOctober172024Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Grant Date October 17, 2024</link:label>
    <link:label id="lab_tlx_GrantDateOctober172024Member_label_en-US" xlink:label="lab_tlx_GrantDateOctober172024Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Grant Date October 17, 2024 [Member]</link:label>
    <link:label id="lab_tlx_GrantDateOctober172024Member_documentation_en-US" xlink:label="lab_tlx_GrantDateOctober172024Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Grant Date October 17, 2024</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_GrantDateOctober172024Member" xlink:href="tlx-20251231.xsd#tlx_GrantDateOctober172024Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_GrantDateOctober172024Member" xlink:to="lab_tlx_GrantDateOctober172024Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ContingentConsiderationRecognisedAsOfAcquisitionDate_019b0124-061c-7b5c-bed5-105cbf1cc468_terseLabel_en-US" xlink:label="lab_ifrs-full_ContingentConsiderationRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contingent or deferred consideration</link:label>
    <link:label id="lab_ifrs-full_ContingentConsiderationRecognisedAsOfAcquisitionDate_019c63d7-54c6-786d-9a5a-36cf78fd446f_verboseLabel_en-US" xlink:label="lab_ifrs-full_ContingentConsiderationRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Contingent consideration</link:label>
    <link:label id="lab_ifrs-full_ContingentConsiderationRecognisedAsOfAcquisitionDate_label_en-US" xlink:label="lab_ifrs-full_ContingentConsiderationRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contingent consideration recognised as of acquisition date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ContingentConsiderationRecognisedAsOfAcquisitionDate" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ContingentConsiderationRecognisedAsOfAcquisitionDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ContingentConsiderationRecognisedAsOfAcquisitionDate" xlink:to="lab_ifrs-full_ContingentConsiderationRecognisedAsOfAcquisitionDate" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentTaxLiabilitiesCurrent_019b0124-073c-7b72-b6fc-b09d1248750e_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentTaxLiabilitiesCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current tax payable</link:label>
    <link:label id="lab_ifrs-full_CurrentTaxLiabilitiesCurrent_label_en-US" xlink:label="lab_ifrs-full_CurrentTaxLiabilitiesCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current tax liabilities, current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentTaxLiabilitiesCurrent" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentTaxLiabilitiesCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentTaxLiabilitiesCurrent" xlink:to="lab_ifrs-full_CurrentTaxLiabilitiesCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_SignificantCreditRiskExposureNumberOfDistributors_019b0124-061c-744d-b01d-0646f77ab038_terseLabel_en-US" xlink:label="lab_tlx_SignificantCreditRiskExposureNumberOfDistributors" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of distributors</link:label>
    <link:label id="lab_tlx_SignificantCreditRiskExposureNumberOfDistributors_label_en-US" xlink:label="lab_tlx_SignificantCreditRiskExposureNumberOfDistributors" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Significant Credit Risk Exposure, Number Of Distributors</link:label>
    <link:label id="lab_tlx_SignificantCreditRiskExposureNumberOfDistributors_documentation_en-US" xlink:label="lab_tlx_SignificantCreditRiskExposureNumberOfDistributors" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the number of distributors during the period.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_SignificantCreditRiskExposureNumberOfDistributors" xlink:href="tlx-20251231.xsd#tlx_SignificantCreditRiskExposureNumberOfDistributors"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_SignificantCreditRiskExposureNumberOfDistributors" xlink:to="lab_tlx_SignificantCreditRiskExposureNumberOfDistributors" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfDiscountRatesAppliedToCashFlowProjections_019be985-3284-725a-8083-dd4a08849285_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfDiscountRatesAppliedToCashFlowProjections" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Risk adjusted discount rate (in percent)</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfDiscountRatesAppliedToCashFlowProjections_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfDiscountRatesAppliedToCashFlowProjections" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Discount rate applied to cash flow projections</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfDiscountRatesAppliedToCashFlowProjections" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfDiscountRatesAppliedToCashFlowProjections"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfDiscountRatesAppliedToCashFlowProjections" xlink:to="lab_ifrs-full_DescriptionOfDiscountRatesAppliedToCashFlowProjections" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment_019b0124-06b4-7f91-9808-f28ab6a3dcaa_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exchange differences</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) through net exchange differences, property, plant and equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesTable_019b0124-06b3-71d2-81bb-cd11771034ba_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of information for cash-generating units [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of information for cash-generating units [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesTable" xlink:to="lab_ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InterestExpenseOnBonds_019b0124-061c-7233-8d0b-d425f455a1b5_terseLabel_en-US" xlink:label="lab_ifrs-full_InterestExpenseOnBonds" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Convertible bond interest expense</link:label>
    <link:label id="lab_ifrs-full_InterestExpenseOnBonds_019b0124-061c-77ae-b50e-6aeb5e25f988_verboseLabel_en-US" xlink:label="lab_ifrs-full_InterestExpenseOnBonds" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Interest expense</link:label>
    <link:label id="lab_ifrs-full_InterestExpenseOnBonds_label_en-US" xlink:label="lab_ifrs-full_InterestExpenseOnBonds" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest expense on bonds</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestExpenseOnBonds" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InterestExpenseOnBonds"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestExpenseOnBonds" xlink:to="lab_ifrs-full_InterestExpenseOnBonds" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable_019b0124-061c-74e6-9752-bcc5c5c4ea27_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of nature and extent of risks arising from financial instruments [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of nature and extent of risks arising from financial instruments [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" xlink:to="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LeaseLiabilitiesMember_019b0124-06b3-7381-8e1b-f52a1c5efb8a_terseLabel_en-US" xlink:label="lab_ifrs-full_LeaseLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lease liabilities</link:label>
    <link:label id="lab_ifrs-full_LeaseLiabilitiesMember_019be917-8d18-75a7-8bc2-3c56e661b33e_verboseLabel_en-US" xlink:label="lab_ifrs-full_LeaseLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Temporary differences in relation to lease liabilities</link:label>
    <link:label id="lab_ifrs-full_LeaseLiabilitiesMember_label_en-US" xlink:label="lab_ifrs-full_LeaseLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lease liabilities [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LeaseLiabilitiesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LeaseLiabilitiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LeaseLiabilitiesMember" xlink:to="lab_ifrs-full_LeaseLiabilitiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ContingentConsiderationCovenantPercentageOfNetSales_019be99b-d5df-7198-ba92-5307d3b74483_terseLabel_en-US" xlink:label="lab_tlx_ContingentConsiderationCovenantPercentageOfNetSales" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Threshold sales percentage for first approval (in percent)</link:label>
    <link:label id="lab_tlx_ContingentConsiderationCovenantPercentageOfNetSales_label_en-US" xlink:label="lab_tlx_ContingentConsiderationCovenantPercentageOfNetSales" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contingent Consideration Covenant, Percentage Of Net Sales</link:label>
    <link:label id="lab_tlx_ContingentConsiderationCovenantPercentageOfNetSales_documentation_en-US" xlink:label="lab_tlx_ContingentConsiderationCovenantPercentageOfNetSales" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Contingent Consideration Covenant, Percentage Of Net Sales</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ContingentConsiderationCovenantPercentageOfNetSales" xlink:href="tlx-20251231.xsd#tlx_ContingentConsiderationCovenantPercentageOfNetSales"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ContingentConsiderationCovenantPercentageOfNetSales" xlink:to="lab_tlx_ContingentConsiderationCovenantPercentageOfNetSales" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_IncreaseDecreaseSharesIssuedThroughExerciseOfShareOptionsAndWarrants_019b0124-073c-7aa6-af39-bc50381b41e9_terseLabel_en-US" xlink:label="lab_tlx_IncreaseDecreaseSharesIssuedThroughExerciseOfShareOptionsAndWarrants" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Shares issued through the exercise of share options and warrants (in shares)</link:label>
    <link:label id="lab_tlx_IncreaseDecreaseSharesIssuedThroughExerciseOfShareOptionsAndWarrants_label_en-US" xlink:label="lab_tlx_IncreaseDecreaseSharesIssuedThroughExerciseOfShareOptionsAndWarrants" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Shares Issued Through Exercise Of Share Options And Warrants</link:label>
    <link:label id="lab_tlx_IncreaseDecreaseSharesIssuedThroughExerciseOfShareOptionsAndWarrants_documentation_en-US" xlink:label="lab_tlx_IncreaseDecreaseSharesIssuedThroughExerciseOfShareOptionsAndWarrants" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Shares issued as a result of the exercise of stock options and warrants.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_IncreaseDecreaseSharesIssuedThroughExerciseOfShareOptionsAndWarrants" xlink:href="tlx-20251231.xsd#tlx_IncreaseDecreaseSharesIssuedThroughExerciseOfShareOptionsAndWarrants"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_IncreaseDecreaseSharesIssuedThroughExerciseOfShareOptionsAndWarrants" xlink:to="lab_tlx_IncreaseDecreaseSharesIssuedThroughExerciseOfShareOptionsAndWarrants" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_FutureVariablePayments_019b0124-06b4-7ff0-bd5a-4b11fb31c62e_terseLabel_en-US" xlink:label="lab_tlx_FutureVariablePayments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Future variable payments (in years)</link:label>
    <link:label id="lab_tlx_FutureVariablePayments_label_en-US" xlink:label="lab_tlx_FutureVariablePayments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Future Variable Payments</link:label>
    <link:label id="lab_tlx_FutureVariablePayments_documentation_en-US" xlink:label="lab_tlx_FutureVariablePayments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The period for future variable payments, which are calculated based on a percentage of net sales, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_FutureVariablePayments" xlink:href="tlx-20251231.xsd#tlx_FutureVariablePayments"/>
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    <link:label id="lab_ifrs-full_FinancialLiabilitiesAtFairValue_019b0124-061c-7c6c-9f86-bb595695e159_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtFairValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair value</link:label>
    <link:label id="lab_ifrs-full_FinancialLiabilitiesAtFairValue_label_en-US" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtFairValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial liabilities, at fair value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialLiabilitiesAtFairValue" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialLiabilitiesAtFairValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialLiabilitiesAtFairValue" xlink:to="lab_ifrs-full_FinancialLiabilitiesAtFairValue" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ExpenseFromEquitysettledSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets_019b0124-06b4-7047-93bd-8337f7246e58_terseLabel_en-US" xlink:label="lab_ifrs-full_ExpenseFromEquitysettledSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Options issued under EIP</link:label>
    <link:label id="lab_ifrs-full_ExpenseFromEquitysettledSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets_label_en-US" xlink:label="lab_ifrs-full_ExpenseFromEquitysettledSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expense from equity-settled share-based payment transactions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ExpenseFromEquitysettledSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ExpenseFromEquitysettledSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets"/>
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    <link:label id="lab_ifrs-full_CurrentTaxExpenseIncome_019b0124-055d-7249-840a-1d4114743835_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentTaxExpenseIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current tax expense</link:label>
    <link:label id="lab_ifrs-full_CurrentTaxExpenseIncome_label_en-US" xlink:label="lab_ifrs-full_CurrentTaxExpenseIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current tax expense (income)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentTaxExpenseIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentTaxExpenseIncome"/>
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    <link:label id="lab_ifrs-full_LaterThanOneYearAndNotLaterThanFiveYearsMember_019b0124-06b4-7830-9075-86ab558d05b9_terseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanOneYearAndNotLaterThanFiveYearsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">1-5 years</link:label>
    <link:label id="lab_ifrs-full_LaterThanOneYearAndNotLaterThanFiveYearsMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanOneYearAndNotLaterThanFiveYearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Later than one year and not later than five years [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanOneYearAndNotLaterThanFiveYearsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LaterThanOneYearAndNotLaterThanFiveYearsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanOneYearAndNotLaterThanFiveYearsMember" xlink:to="lab_ifrs-full_LaterThanOneYearAndNotLaterThanFiveYearsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ValuationTechniquesUsedInFairValueMeasurementDomain_019b0124-06b3-71dd-bd3b-bb05c9033d29_terseLabel_en-US" xlink:label="lab_ifrs-full_ValuationTechniquesUsedInFairValueMeasurementDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Valuation techniques used in fair value measurement [domain]</link:label>
    <link:label id="lab_ifrs-full_ValuationTechniquesUsedInFairValueMeasurementDomain_label_en-US" xlink:label="lab_ifrs-full_ValuationTechniquesUsedInFairValueMeasurementDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Valuation techniques used in fair value measurement [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ValuationTechniquesUsedInFairValueMeasurementDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ValuationTechniquesUsedInFairValueMeasurementDomain"/>
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    <link:label id="lab_tlx_DescriptionOfAccountingPolicyForGoingConcernPolicyTextBlock_019b0124-061c-7925-bdcd-13770920c4a9_terseLabel_en-US" xlink:label="lab_tlx_DescriptionOfAccountingPolicyForGoingConcernPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Going concern</link:label>
    <link:label id="lab_tlx_DescriptionOfAccountingPolicyForGoingConcernPolicyTextBlock_label_en-US" xlink:label="lab_tlx_DescriptionOfAccountingPolicyForGoingConcernPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description Of Accounting Policy For Going Concern [Policy Text Block]</link:label>
    <link:label id="lab_tlx_DescriptionOfAccountingPolicyForGoingConcernPolicyTextBlock_documentation_en-US" xlink:label="lab_tlx_DescriptionOfAccountingPolicyForGoingConcernPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The description of the entity's accounting policy for going concern.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_DescriptionOfAccountingPolicyForGoingConcernPolicyTextBlock" xlink:href="tlx-20251231.xsd#tlx_DescriptionOfAccountingPolicyForGoingConcernPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_DescriptionOfAccountingPolicyForGoingConcernPolicyTextBlock" xlink:to="lab_tlx_DescriptionOfAccountingPolicyForGoingConcernPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TopOfRangeMember_019b0124-073c-7040-b528-0920ae2604e7_terseLabel_en-US" xlink:label="lab_ifrs-full_TopOfRangeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Top of range</link:label>
    <link:label id="lab_ifrs-full_TopOfRangeMember_label_en-US" xlink:label="lab_ifrs-full_TopOfRangeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Top of range [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TopOfRangeMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TopOfRangeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TopOfRangeMember" xlink:to="lab_ifrs-full_TopOfRangeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_CurrentBorrowingsOverPayments_019c5556-312f-7a00-807f-bb699333c618_terseLabel_en-US" xlink:label="lab_tlx_CurrentBorrowingsOverPayments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Due within one year</link:label>
    <link:label id="lab_tlx_CurrentBorrowingsOverPayments_label_en-US" xlink:label="lab_tlx_CurrentBorrowingsOverPayments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current Borrowings Over Payments</link:label>
    <link:label id="lab_tlx_CurrentBorrowingsOverPayments_documentation_en-US" xlink:label="lab_tlx_CurrentBorrowingsOverPayments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Current Borrowings Over Payments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_CurrentBorrowingsOverPayments" xlink:href="tlx-20251231.xsd#tlx_CurrentBorrowingsOverPayments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_CurrentBorrowingsOverPayments" xlink:to="lab_tlx_CurrentBorrowingsOverPayments" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ResearchAndDevelopmentExpense_019b0124-06b4-7c31-aa67-1072a0fdc3dd_negatedLabel_en-US" xlink:label="lab_ifrs-full_ResearchAndDevelopmentExpense" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Research and development costs</link:label>
    <link:label id="lab_ifrs-full_ResearchAndDevelopmentExpense_019b0124-06b4-73f2-9be2-3107a94b346a_terseLabel_en-US" xlink:label="lab_ifrs-full_ResearchAndDevelopmentExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Research and development costs</link:label>
    <link:label id="lab_ifrs-full_ResearchAndDevelopmentExpense_019be0c3-2e2f-7d46-85a6-0939d52011dc_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_ResearchAndDevelopmentExpense" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Research and development costs</link:label>
    <link:label id="lab_ifrs-full_ResearchAndDevelopmentExpense_label_en-US" xlink:label="lab_ifrs-full_ResearchAndDevelopmentExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Research and development expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ResearchAndDevelopmentExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ResearchAndDevelopmentExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ResearchAndDevelopmentExpense" xlink:to="lab_ifrs-full_ResearchAndDevelopmentExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherNoncurrentAssets_019b0124-061c-7e78-bbdd-69b767aaca96_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherNoncurrentAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total other non-current assets</link:label>
    <link:label id="lab_ifrs-full_OtherNoncurrentAssets_019c3309-1f7e-7dd6-94f4-c32f632afdaa_totalLabel_en-US" xlink:label="lab_ifrs-full_OtherNoncurrentAssets" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total other non-current assets</link:label>
    <link:label id="lab_ifrs-full_OtherNoncurrentAssets_019c468d-179e-7400-bd8d-eb73abeee9e9_verboseLabel_en-US" xlink:label="lab_ifrs-full_OtherNoncurrentAssets" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Other non-current assets</link:label>
    <link:label id="lab_ifrs-full_OtherNoncurrentAssets_label_en-US" xlink:label="lab_ifrs-full_OtherNoncurrentAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other non-current assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherNoncurrentAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherNoncurrentAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherNoncurrentAssets" xlink:to="lab_ifrs-full_OtherNoncurrentAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TaxEffectOfTaxLosses_019b0124-061c-75b2-8a77-adbdbdc0d80b_terseLabel_en-US" xlink:label="lab_ifrs-full_TaxEffectOfTaxLosses" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current year tax losses not recognized</link:label>
    <link:label id="lab_ifrs-full_TaxEffectOfTaxLosses_label_en-US" xlink:label="lab_ifrs-full_TaxEffectOfTaxLosses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax effect of tax losses</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TaxEffectOfTaxLosses" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TaxEffectOfTaxLosses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TaxEffectOfTaxLosses" xlink:to="lab_ifrs-full_TaxEffectOfTaxLosses" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_GlobalManufacturingCostsMember_019b45dd-9d51-7de8-9700-818c0be7a4e8_terseLabel_en-US" xlink:label="lab_tlx_GlobalManufacturingCostsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Global manufacturing costs</link:label>
    <link:label id="lab_tlx_GlobalManufacturingCostsMember_label_en-US" xlink:label="lab_tlx_GlobalManufacturingCostsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Global Manufacturing Costs [Member]</link:label>
    <link:label id="lab_tlx_GlobalManufacturingCostsMember_documentation_en-US" xlink:label="lab_tlx_GlobalManufacturingCostsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Global Manufacturing Costs</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_GlobalManufacturingCostsMember" xlink:href="tlx-20251231.xsd#tlx_GlobalManufacturingCostsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_GlobalManufacturingCostsMember" xlink:to="lab_tlx_GlobalManufacturingCostsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ForeignCountriesMember_019b0124-06b4-7574-af7c-ae63eab1a031_terseLabel_en-US" xlink:label="lab_ifrs-full_ForeignCountriesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other countries</link:label>
    <link:label id="lab_ifrs-full_ForeignCountriesMember_label_en-US" xlink:label="lab_ifrs-full_ForeignCountriesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Foreign countries [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ForeignCountriesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ForeignCountriesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ForeignCountriesMember" xlink:to="lab_ifrs-full_ForeignCountriesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForMeasuringInventories_019b0124-061c-7e9e-a9bf-84989582bbe5_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForMeasuringInventories" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Inventories</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForMeasuringInventories_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForMeasuringInventories" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for measuring inventories [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForMeasuringInventories" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForMeasuringInventories"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForMeasuringInventories" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForMeasuringInventories" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentAssetsOtherThanFinancialInstrumentsDeferredTaxAssetsPostemploymentBenefitAssetsAndRightsArisingUnderInsuranceContracts_019c53af-faf2-7239-addb-e903101ce4d1_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentAssetsOtherThanFinancialInstrumentsDeferredTaxAssetsPostemploymentBenefitAssetsAndRightsArisingUnderInsuranceContracts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-current assets by location of asset</link:label>
    <link:label id="lab_ifrs-full_NoncurrentAssetsOtherThanFinancialInstrumentsDeferredTaxAssetsPostemploymentBenefitAssetsAndRightsArisingUnderInsuranceContracts_label_en-US" xlink:label="lab_ifrs-full_NoncurrentAssetsOtherThanFinancialInstrumentsDeferredTaxAssetsPostemploymentBenefitAssetsAndRightsArisingUnderInsuranceContracts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-current assets other than financial instruments, deferred tax assets, post-employment benefit assets, and rights arising under insurance contracts</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentAssetsOtherThanFinancialInstrumentsDeferredTaxAssetsPostemploymentBenefitAssetsAndRightsArisingUnderInsuranceContracts" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentAssetsOtherThanFinancialInstrumentsDeferredTaxAssetsPostemploymentBenefitAssetsAndRightsArisingUnderInsuranceContracts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentAssetsOtherThanFinancialInstrumentsDeferredTaxAssetsPostemploymentBenefitAssetsAndRightsArisingUnderInsuranceContracts" xlink:to="lab_ifrs-full_NoncurrentAssetsOtherThanFinancialInstrumentsDeferredTaxAssetsPostemploymentBenefitAssetsAndRightsArisingUnderInsuranceContracts" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis_019b0124-061c-7a29-b677-4adf861088dc_terseLabel_en-US" xlink:label="lab_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis]</link:label>
    <link:label id="lab_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis_label_en-US" xlink:label="lab_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:to="lab_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_InventoryTypeDomain_019c5437-1893-7d47-8ced-6f61b0e8aaa1_terseLabel_en-US" xlink:label="lab_tlx_InventoryTypeDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Inventory Type [Domain]</link:label>
    <link:label id="lab_tlx_InventoryTypeDomain_label_en-US" xlink:label="lab_tlx_InventoryTypeDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Inventory Type [Domain]</link:label>
    <link:label id="lab_tlx_InventoryTypeDomain_documentation_en-US" xlink:label="lab_tlx_InventoryTypeDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Inventory Type [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_InventoryTypeDomain" xlink:href="tlx-20251231.xsd#tlx_InventoryTypeDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_InventoryTypeDomain" xlink:to="lab_tlx_InventoryTypeDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BorrowingsByNameDomain_019b0124-061c-7035-a204-9071761270af_terseLabel_en-US" xlink:label="lab_ifrs-full_BorrowingsByNameDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowings by name [domain]</link:label>
    <link:label id="lab_ifrs-full_BorrowingsByNameDomain_label_en-US" xlink:label="lab_ifrs-full_BorrowingsByNameDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings by name [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BorrowingsByNameDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BorrowingsByNameDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BorrowingsByNameDomain" xlink:to="lab_ifrs-full_BorrowingsByNameDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LaterThanTwoMonthsAndNotLaterThanThreeMonthsMember_019b0124-06b3-73a3-a686-b8b5f7cfebc6_terseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanTwoMonthsAndNotLaterThanThreeMonthsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">60 days</link:label>
    <link:label id="lab_ifrs-full_LaterThanTwoMonthsAndNotLaterThanThreeMonthsMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanTwoMonthsAndNotLaterThanThreeMonthsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Later than two months and not later than three months [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanTwoMonthsAndNotLaterThanThreeMonthsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LaterThanTwoMonthsAndNotLaterThanThreeMonthsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanTwoMonthsAndNotLaterThanThreeMonthsMember" xlink:to="lab_ifrs-full_LaterThanTwoMonthsAndNotLaterThanThreeMonthsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrencyRiskMember_019b0124-06b3-7eb9-8ff0-5499368d3302_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrencyRiskMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign currency risk</link:label>
    <link:label id="lab_ifrs-full_CurrencyRiskMember_label_en-US" xlink:label="lab_ifrs-full_CurrencyRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Currency risk [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrencyRiskMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrencyRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrencyRiskMember" xlink:to="lab_ifrs-full_CurrencyRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TradeReceivablesMember_019be8fb-382d-75e7-a603-9b56ecae1fb9_terseLabel_en-US" xlink:label="lab_ifrs-full_TradeReceivablesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trade receivables</link:label>
    <link:label id="lab_ifrs-full_TradeReceivablesMember_label_en-US" xlink:label="lab_ifrs-full_TradeReceivablesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trade receivables [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TradeReceivablesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TradeReceivablesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TradeReceivablesMember" xlink:to="lab_ifrs-full_TradeReceivablesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_AdjustmentsForUnwindOfDiscount_019b0124-061c-76b0-80b3-ef74469ea565_terseLabel_en-US" xlink:label="lab_tlx_AdjustmentsForUnwindOfDiscount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unwind of discount</link:label>
    <link:label id="lab_tlx_AdjustmentsForUnwindOfDiscount_label_en-US" xlink:label="lab_tlx_AdjustmentsForUnwindOfDiscount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments For Unwind Of Discount</link:label>
    <link:label id="lab_tlx_AdjustmentsForUnwindOfDiscount_documentation_en-US" xlink:label="lab_tlx_AdjustmentsForUnwindOfDiscount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Adjustments for unwind of discount to reconcile profit (loss) to net cash flow from (used in) operating activities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_AdjustmentsForUnwindOfDiscount" xlink:href="tlx-20251231.xsd#tlx_AdjustmentsForUnwindOfDiscount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_AdjustmentsForUnwindOfDiscount" xlink:to="lab_tlx_AdjustmentsForUnwindOfDiscount" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RevenueFromContractsWithCustomers_019b0124-06b3-777a-8215-f8c48ca9d433_terseLabel_en-US" xlink:label="lab_ifrs-full_RevenueFromContractsWithCustomers" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Revenue from contracts with customers</link:label>
    <link:label id="lab_ifrs-full_RevenueFromContractsWithCustomers_019b0124-06b3-7094-87ea-49b32a07c6ef_verboseLabel_en-US" xlink:label="lab_ifrs-full_RevenueFromContractsWithCustomers" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Revenue by location of customer</link:label>
    <link:label id="lab_ifrs-full_RevenueFromContractsWithCustomers_label_en-US" xlink:label="lab_ifrs-full_RevenueFromContractsWithCustomers" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue from contracts with customers</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RevenueFromContractsWithCustomers" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RevenueFromContractsWithCustomers"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RevenueFromContractsWithCustomers" xlink:to="lab_ifrs-full_RevenueFromContractsWithCustomers" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DeferredTaxLiabilities_019b0124-06b4-7101-95fb-964d9abc122b_terseLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred tax liabilities</link:label>
    <link:label id="lab_ifrs-full_DeferredTaxLiabilities_019b3ac5-2c2c-748b-83e0-b97f972fcc87_totalLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxLiabilities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net deferred tax liabilities</link:label>
    <link:label id="lab_ifrs-full_DeferredTaxLiabilities_label_en-US" xlink:label="lab_ifrs-full_DeferredTaxLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred tax liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DeferredTaxLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DeferredTaxLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DeferredTaxLiabilities" xlink:to="lab_ifrs-full_DeferredTaxLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ManufacturingAndDistributionCosts_019b0124-061c-7093-b734-3017b07c7375_negatedLabel_en-US" xlink:label="lab_tlx_ManufacturingAndDistributionCosts" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Manufacturing and distribution costs</link:label>
    <link:label id="lab_tlx_ManufacturingAndDistributionCosts_019b0124-061c-7d0c-81bc-8b5c07ea73f3_terseLabel_en-US" xlink:label="lab_tlx_ManufacturingAndDistributionCosts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Manufacturing and distribution costs</link:label>
    <link:label id="lab_tlx_ManufacturingAndDistributionCosts_019be0c3-2e2f-78b5-8034-8b0dc47d3609_negatedTerseLabel_en-US" xlink:label="lab_tlx_ManufacturingAndDistributionCosts" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Manufacturing and distribution costs</link:label>
    <link:label id="lab_tlx_ManufacturingAndDistributionCosts_label_en-US" xlink:label="lab_tlx_ManufacturingAndDistributionCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Manufacturing And Distribution Costs</link:label>
    <link:label id="lab_tlx_ManufacturingAndDistributionCosts_documentation_en-US" xlink:label="lab_tlx_ManufacturingAndDistributionCosts" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of expense relating to manufacturing and distribution of goods and services of the entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ManufacturingAndDistributionCosts" xlink:href="tlx-20251231.xsd#tlx_ManufacturingAndDistributionCosts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ManufacturingAndDistributionCosts" xlink:to="lab_tlx_ManufacturingAndDistributionCosts" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities_019b0124-061c-7901-ada8-c256364eb5d9_negatedLabel_en-US" xlink:label="lab_ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Income taxes paid</link:label>
    <link:label id="lab_ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities_019b3b5f-fc96-7466-aab0-e0d94253fe21_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Income taxes paid</link:label>
    <link:label id="lab_ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities_label_en-US" xlink:label="lab_ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income taxes paid (refund), classified as operating activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities" xlink:to="lab_ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncome_019b0124-055d-79d7-ba03-05ac88843530_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other comprehensive (loss) / income</link:label>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncome_019b3ba5-ad8c-749e-9bd0-1bd617cab6ac_netLabel_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:type="resource" xml:lang="en-US">Other comprehensive (loss)/income</link:label>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncome_019b0124-055d-7866-a49d-d87b73f82ce9_verboseLabel_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Revaluation - gross</link:label>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncome_label_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other comprehensive income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherComprehensiveIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherComprehensiveIncome" xlink:to="lab_ifrs-full_OtherComprehensiveIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfLiabilitiesAxis_019c54c7-3520-7669-9fb7-0ee5b4eabe85_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfLiabilitiesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of liabilities [axis]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfLiabilitiesAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfLiabilitiesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of liabilities [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfLiabilitiesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfLiabilitiesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfLiabilitiesAxis" xlink:to="lab_ifrs-full_ClassesOfLiabilitiesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PastDueStatusDomain_019b0124-06b4-7c98-bfc9-d8088aec4a93_terseLabel_en-US" xlink:label="lab_ifrs-full_PastDueStatusDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Past due status [domain]</link:label>
    <link:label id="lab_ifrs-full_PastDueStatusDomain_label_en-US" xlink:label="lab_ifrs-full_PastDueStatusDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Past due status [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PastDueStatusDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PastDueStatusDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PastDueStatusDomain" xlink:to="lab_ifrs-full_PastDueStatusDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed_019b0124-06b3-7535-bcf4-f772013ac428_totalLabel_en-US" xlink:label="lab_ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total identifiable assets and liabilities</link:label>
    <link:label id="lab_ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed_label_en-US" xlink:label="lab_ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Identifiable assets acquired (liabilities assumed)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed" xlink:to="lab_ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges_019b0124-06b4-7b5a-9b3c-70a992f539e5_totalLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net (decrease)/increase in cash held</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) in cash and cash equivalents before effect of exchange rate changes</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xlink:to="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis_019b0124-06b3-7329-b4ee-19ad7f83cff2_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Types of share-based payment arrangements [axis]</link:label>
    <link:label id="lab_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis_label_en-US" xlink:label="lab_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Types of share-based payment arrangements [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfSharebasedPaymentArrangementsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" xlink:to="lab_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense_019b0124-061c-7fb8-9ec9-80dfde9f0db2_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Depreciation and amortization</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for depreciation and amortisation expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense" xlink:to="lab_ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_TelixPharmaceuticalsFranceSASMember_019b0124-061c-7dd7-8d40-15e2ef43a390_terseLabel_en-US" xlink:label="lab_tlx_TelixPharmaceuticalsFranceSASMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Telix Pharmaceuticals (France) SAS</link:label>
    <link:label id="lab_tlx_TelixPharmaceuticalsFranceSASMember_label_en-US" xlink:label="lab_tlx_TelixPharmaceuticalsFranceSASMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Telix Pharmaceuticals (France) SAS [Member]</link:label>
    <link:label id="lab_tlx_TelixPharmaceuticalsFranceSASMember_documentation_en-US" xlink:label="lab_tlx_TelixPharmaceuticalsFranceSASMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The name of the entity which is controlled by another entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_TelixPharmaceuticalsFranceSASMember" xlink:href="tlx-20251231.xsd#tlx_TelixPharmaceuticalsFranceSASMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_TelixPharmaceuticalsFranceSASMember" xlink:to="lab_tlx_TelixPharmaceuticalsFranceSASMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_UnusedTaxLossesAndCreditsForWhichDeferredTaxAssetIsRecognised_019c32e5-c383-729f-99a0-307da51ec26a_terseLabel_en-US" xlink:label="lab_tlx_UnusedTaxLossesAndCreditsForWhichDeferredTaxAssetIsRecognised" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Recognized income tax benefit</link:label>
    <link:label id="lab_tlx_UnusedTaxLossesAndCreditsForWhichDeferredTaxAssetIsRecognised_label_en-US" xlink:label="lab_tlx_UnusedTaxLossesAndCreditsForWhichDeferredTaxAssetIsRecognised" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unused Tax Losses And Credits For Which Deferred Tax Asset Is Recognised</link:label>
    <link:label id="lab_tlx_UnusedTaxLossesAndCreditsForWhichDeferredTaxAssetIsRecognised_documentation_en-US" xlink:label="lab_tlx_UnusedTaxLossesAndCreditsForWhichDeferredTaxAssetIsRecognised" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Unused Tax Losses And Credits For Which Deferred Tax Asset Is Recognised</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_UnusedTaxLossesAndCreditsForWhichDeferredTaxAssetIsRecognised" xlink:href="tlx-20251231.xsd#tlx_UnusedTaxLossesAndCreditsForWhichDeferredTaxAssetIsRecognised"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_UnusedTaxLossesAndCreditsForWhichDeferredTaxAssetIsRecognised" xlink:to="lab_tlx_UnusedTaxLossesAndCreditsForWhichDeferredTaxAssetIsRecognised" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_Security12bTitle_019b0124-061c-7cb1-91e0-e63178f1c043_terseLabel_en-US" xlink:label="lab_dei_Security12bTitle" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Title of 12(b) Security</link:label>
    <link:label id="lab_dei_Security12bTitle_label_en-US" xlink:label="lab_dei_Security12bTitle" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Title of 12(b) Security</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_Security12bTitle"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_Security12bTitle" xlink:to="lab_dei_Security12bTitle" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EquityInterestsOfAcquirer_019b0124-061c-7912-83a9-ed9e2838b272_terseLabel_en-US" xlink:label="lab_ifrs-full_EquityInterestsOfAcquirer" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity issued</link:label>
    <link:label id="lab_ifrs-full_EquityInterestsOfAcquirer_label_en-US" xlink:label="lab_ifrs-full_EquityInterestsOfAcquirer" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity interests of acquirer</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EquityInterestsOfAcquirer" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EquityInterestsOfAcquirer"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EquityInterestsOfAcquirer" xlink:to="lab_ifrs-full_EquityInterestsOfAcquirer" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ScheduleOfUnrecognizedDeferredTaxAssetsTableTextBlock_019b0124-06b4-7afc-a5dd-d160d2478f24_terseLabel_en-US" xlink:label="lab_tlx_ScheduleOfUnrecognizedDeferredTaxAssetsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Unrecognized Deferred Tax Assets</link:label>
    <link:label id="lab_tlx_ScheduleOfUnrecognizedDeferredTaxAssetsTableTextBlock_label_en-US" xlink:label="lab_tlx_ScheduleOfUnrecognizedDeferredTaxAssetsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Unrecognized Deferred Tax Assets [Table Text Block]</link:label>
    <link:label id="lab_tlx_ScheduleOfUnrecognizedDeferredTaxAssetsTableTextBlock_documentation_en-US" xlink:label="lab_tlx_ScheduleOfUnrecognizedDeferredTaxAssetsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of unrecognized deferred tax assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ScheduleOfUnrecognizedDeferredTaxAssetsTableTextBlock" xlink:href="tlx-20251231.xsd#tlx_ScheduleOfUnrecognizedDeferredTaxAssetsTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ScheduleOfUnrecognizedDeferredTaxAssetsTableTextBlock" xlink:to="lab_tlx_ScheduleOfUnrecognizedDeferredTaxAssetsTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IssueOfEquity_019b0124-073c-7d4b-bfe7-1ec832fce555_terseLabel_en-US" xlink:label="lab_ifrs-full_IssueOfEquity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Issue of shares on acquisitions</link:label>
    <link:label id="lab_ifrs-full_IssueOfEquity_019b0124-073c-72cd-81ae-38b8940a684f_verboseLabel_en-US" xlink:label="lab_ifrs-full_IssueOfEquity" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Shares issued</link:label>
    <link:label id="lab_ifrs-full_IssueOfEquity_label_en-US" xlink:label="lab_ifrs-full_IssueOfEquity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Issue of equity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IssueOfEquity" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IssueOfEquity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IssueOfEquity" xlink:to="lab_ifrs-full_IssueOfEquity" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BankBorrowingsUndiscountedCashFlows_019be112-574c-7738-bc37-155065929f24_terseLabel_en-US" xlink:label="lab_ifrs-full_BankBorrowingsUndiscountedCashFlows" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowings</link:label>
    <link:label id="lab_ifrs-full_BankBorrowingsUndiscountedCashFlows_label_en-US" xlink:label="lab_ifrs-full_BankBorrowingsUndiscountedCashFlows" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bank borrowings, undiscounted cash flows</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BankBorrowingsUndiscountedCashFlows" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BankBorrowingsUndiscountedCashFlows"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BankBorrowingsUndiscountedCashFlows" xlink:to="lab_ifrs-full_BankBorrowingsUndiscountedCashFlows" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_TelixInnovationsRphParticipacoesLtdMember_019b0124-061c-730a-b4e4-ef18173504e2_terseLabel_en-US" xlink:label="lab_tlx_TelixInnovationsRphParticipacoesLtdMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Telix Innovations Rph Participacoes Ltda</link:label>
    <link:label id="lab_tlx_TelixInnovationsRphParticipacoesLtdMember_label_en-US" xlink:label="lab_tlx_TelixInnovationsRphParticipacoesLtdMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Telix Innovations Rph Participacoes Ltd [Member]</link:label>
    <link:label id="lab_tlx_TelixInnovationsRphParticipacoesLtdMember_documentation_en-US" xlink:label="lab_tlx_TelixInnovationsRphParticipacoesLtdMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The name of the entity which is controlled by another entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_TelixInnovationsRphParticipacoesLtdMember" xlink:href="tlx-20251231.xsd#tlx_TelixInnovationsRphParticipacoesLtdMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_TelixInnovationsRphParticipacoesLtdMember" xlink:to="lab_tlx_TelixInnovationsRphParticipacoesLtdMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_DisclosureOfOtherLossesGainsNetTextBlock_019b0124-061c-70d6-a4f0-449b03e71b6a_terseLabel_en-US" xlink:label="lab_tlx_DisclosureOfOtherLossesGainsNetTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Other (Gains)/Losses (net)</link:label>
    <link:label id="lab_tlx_DisclosureOfOtherLossesGainsNetTextBlock_label_en-US" xlink:label="lab_tlx_DisclosureOfOtherLossesGainsNetTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Other (Losses) Gains, Net [Text Block]</link:label>
    <link:label id="lab_tlx_DisclosureOfOtherLossesGainsNetTextBlock_documentation_en-US" xlink:label="lab_tlx_DisclosureOfOtherLossesGainsNetTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The tabular disclosure of other (losses) gains net.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_DisclosureOfOtherLossesGainsNetTextBlock" xlink:href="tlx-20251231.xsd#tlx_DisclosureOfOtherLossesGainsNetTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_DisclosureOfOtherLossesGainsNetTextBlock" xlink:to="lab_tlx_DisclosureOfOtherLossesGainsNetTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_PurchaseOfContingentConsiderationClassifiedAsInvestingActivities_019b0124-06b4-7ea8-859b-7f880f838e77_negatedLabel_en-US" xlink:label="lab_tlx_PurchaseOfContingentConsiderationClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Payments for contingent consideration</link:label>
    <link:label id="lab_tlx_PurchaseOfContingentConsiderationClassifiedAsInvestingActivities_label_en-US" xlink:label="lab_tlx_PurchaseOfContingentConsiderationClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Purchase Of Contingent Consideration, Classified As Investing Activities</link:label>
    <link:label id="lab_tlx_PurchaseOfContingentConsiderationClassifiedAsInvestingActivities_documentation_en-US" xlink:label="lab_tlx_PurchaseOfContingentConsiderationClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The cash outflow for the purchase of contingent consideration, classified as investing activities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_PurchaseOfContingentConsiderationClassifiedAsInvestingActivities" xlink:href="tlx-20251231.xsd#tlx_PurchaseOfContingentConsiderationClassifiedAsInvestingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_PurchaseOfContingentConsiderationClassifiedAsInvestingActivities" xlink:to="lab_tlx_PurchaseOfContingentConsiderationClassifiedAsInvestingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_LightpointSurgicalSpainS.L.LightpointMedicalEspanaSLUMember_019b0124-073c-7703-b724-5eb39ef30432_terseLabel_en-US" xlink:label="lab_tlx_LightpointSurgicalSpainS.L.LightpointMedicalEspanaSLUMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lightpoint Surgical Spain S.L. (Lightpoint Medical Espana SLU)</link:label>
    <link:label id="lab_tlx_LightpointSurgicalSpainS.L.LightpointMedicalEspanaSLUMember_label_en-US" xlink:label="lab_tlx_LightpointSurgicalSpainS.L.LightpointMedicalEspanaSLUMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lightpoint Surgical Spain S.L. (Lightpoint Medical Espana SLU) [Member]</link:label>
    <link:label id="lab_tlx_LightpointSurgicalSpainS.L.LightpointMedicalEspanaSLUMember_documentation_en-US" xlink:label="lab_tlx_LightpointSurgicalSpainS.L.LightpointMedicalEspanaSLUMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The name of the entity which is controlled by another entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_LightpointSurgicalSpainS.L.LightpointMedicalEspanaSLUMember" xlink:href="tlx-20251231.xsd#tlx_LightpointSurgicalSpainS.L.LightpointMedicalEspanaSLUMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_LightpointSurgicalSpainS.L.LightpointMedicalEspanaSLUMember" xlink:to="lab_tlx_LightpointSurgicalSpainS.L.LightpointMedicalEspanaSLUMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_OtherAuditorsAndTheirRelatedNetworkFirmsMember_019b0124-061c-76c9-b633-0eecbbd1e86c_terseLabel_en-US" xlink:label="lab_tlx_OtherAuditorsAndTheirRelatedNetworkFirmsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other auditors and their related network firms</link:label>
    <link:label id="lab_tlx_OtherAuditorsAndTheirRelatedNetworkFirmsMember_label_en-US" xlink:label="lab_tlx_OtherAuditorsAndTheirRelatedNetworkFirmsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Auditors And Their Related Network Firms [Member]</link:label>
    <link:label id="lab_tlx_OtherAuditorsAndTheirRelatedNetworkFirmsMember_documentation_en-US" xlink:label="lab_tlx_OtherAuditorsAndTheirRelatedNetworkFirmsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for other auditors and their related network firms.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_OtherAuditorsAndTheirRelatedNetworkFirmsMember" xlink:href="tlx-20251231.xsd#tlx_OtherAuditorsAndTheirRelatedNetworkFirmsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_OtherAuditorsAndTheirRelatedNetworkFirmsMember" xlink:to="lab_tlx_OtherAuditorsAndTheirRelatedNetworkFirmsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_BankLoansMember_019b0124-06b3-7cd3-8f78-34aa8082f6f3_terseLabel_en-US" xlink:label="lab_tlx_BankLoansMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bank loans</link:label>
    <link:label id="lab_tlx_BankLoansMember_label_en-US" xlink:label="lab_tlx_BankLoansMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bank Loans [Member]</link:label>
    <link:label id="lab_tlx_BankLoansMember_documentation_en-US" xlink:label="lab_tlx_BankLoansMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The member stands for Bank Loans.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_BankLoansMember" xlink:href="tlx-20251231.xsd#tlx_BankLoansMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_BankLoansMember" xlink:to="lab_tlx_BankLoansMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AttributionOfExpensesByNatureToTheirFunctionDomain_019b45db-3ac0-7561-8307-79a9cdd68d01_terseLabel_en-US" xlink:label="lab_ifrs-full_AttributionOfExpensesByNatureToTheirFunctionDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Attribution of expenses by nature to their function [domain]</link:label>
    <link:label id="lab_ifrs-full_AttributionOfExpensesByNatureToTheirFunctionDomain_label_en-US" xlink:label="lab_ifrs-full_AttributionOfExpensesByNatureToTheirFunctionDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Attribution of expenses by nature to their function [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AttributionOfExpensesByNatureToTheirFunctionDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AttributionOfExpensesByNatureToTheirFunctionDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AttributionOfExpensesByNatureToTheirFunctionDomain" xlink:to="lab_ifrs-full_AttributionOfExpensesByNatureToTheirFunctionDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_DisclosureOfDetailedInformationAboutNumericalReconciliationOfPrimaFacieTaxPayableToIncomeTaxBenefitExpenseExplanatoryTableTextBlock_019b0124-061c-7f58-a812-e758a6c93ad3_terseLabel_en-US" xlink:label="lab_tlx_DisclosureOfDetailedInformationAboutNumericalReconciliationOfPrimaFacieTaxPayableToIncomeTaxBenefitExpenseExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Numerical Reconciliation of Prima Facie Tax Payable to Income Tax Expense/(Benefit)</link:label>
    <link:label id="lab_tlx_DisclosureOfDetailedInformationAboutNumericalReconciliationOfPrimaFacieTaxPayableToIncomeTaxBenefitExpenseExplanatoryTableTextBlock_label_en-US" xlink:label="lab_tlx_DisclosureOfDetailedInformationAboutNumericalReconciliationOfPrimaFacieTaxPayableToIncomeTaxBenefitExpenseExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Numerical Reconciliation Of Prima Facie Tax Payable To Income Tax Benefit Expense Explanatory [Table Text Block]</link:label>
    <link:label id="lab_tlx_DisclosureOfDetailedInformationAboutNumericalReconciliationOfPrimaFacieTaxPayableToIncomeTaxBenefitExpenseExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_tlx_DisclosureOfDetailedInformationAboutNumericalReconciliationOfPrimaFacieTaxPayableToIncomeTaxBenefitExpenseExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of detailed information about the numerical reconciliation of prima facie tax payable to income tax benefit.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_DisclosureOfDetailedInformationAboutNumericalReconciliationOfPrimaFacieTaxPayableToIncomeTaxBenefitExpenseExplanatoryTableTextBlock" xlink:href="tlx-20251231.xsd#tlx_DisclosureOfDetailedInformationAboutNumericalReconciliationOfPrimaFacieTaxPayableToIncomeTaxBenefitExpenseExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_DisclosureOfDetailedInformationAboutNumericalReconciliationOfPrimaFacieTaxPayableToIncomeTaxBenefitExpenseExplanatoryTableTextBlock" xlink:to="lab_tlx_DisclosureOfDetailedInformationAboutNumericalReconciliationOfPrimaFacieTaxPayableToIncomeTaxBenefitExpenseExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdditionsToNoncurrentAssets_019b0124-06b3-7463-8be0-ca2d3e4f1251_terseLabel_en-US" xlink:label="lab_ifrs-full_AdditionsToNoncurrentAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Additions to non-current assets</link:label>
    <link:label id="lab_ifrs-full_AdditionsToNoncurrentAssets_label_en-US" xlink:label="lab_ifrs-full_AdditionsToNoncurrentAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Additions to non-current assets other than financial instruments, deferred tax assets, net defined benefit assets, and rights arising under insurance contracts</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdditionsToNoncurrentAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdditionsToNoncurrentAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdditionsToNoncurrentAssets" xlink:to="lab_ifrs-full_AdditionsToNoncurrentAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_IRMASurgicalMember_019b9d63-ec2a-7de1-8416-678ef981abc0_terseLabel_en-US" xlink:label="lab_tlx_IRMASurgicalMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investment in IRMA Surgical Pty Ltd</link:label>
    <link:label id="lab_tlx_IRMASurgicalMember_label_en-US" xlink:label="lab_tlx_IRMASurgicalMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">IRMA Surgical [Member]</link:label>
    <link:label id="lab_tlx_IRMASurgicalMember_documentation_en-US" xlink:label="lab_tlx_IRMASurgicalMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">IRMA Surgical</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_IRMASurgicalMember" xlink:href="tlx-20251231.xsd#tlx_IRMASurgicalMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_IRMASurgicalMember" xlink:to="lab_tlx_IRMASurgicalMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SignificantInvestmentsInSubsidiariesDomain_019b0124-06b4-778c-8498-d7c09de32061_terseLabel_en-US" xlink:label="lab_ifrs-full_SignificantInvestmentsInSubsidiariesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Subsidiaries [domain]</link:label>
    <link:label id="lab_ifrs-full_SignificantInvestmentsInSubsidiariesDomain_label_en-US" xlink:label="lab_ifrs-full_SignificantInvestmentsInSubsidiariesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subsidiaries [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SignificantInvestmentsInSubsidiariesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SignificantInvestmentsInSubsidiariesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SignificantInvestmentsInSubsidiariesDomain" xlink:to="lab_ifrs-full_SignificantInvestmentsInSubsidiariesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_IntangibleAssetsMember_019b0124-073c-7951-932f-1fe4b1eccb90_terseLabel_en-US" xlink:label="lab_tlx_IntangibleAssetsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Intangible assets</link:label>
    <link:label id="lab_tlx_IntangibleAssetsMember_019be917-4b9b-70e1-8a7b-48607a2c5eda_verboseLabel_en-US" xlink:label="lab_tlx_IntangibleAssetsMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Temporary differences in relation to intangible assets</link:label>
    <link:label id="lab_tlx_IntangibleAssetsMember_label_en-US" xlink:label="lab_tlx_IntangibleAssetsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Intangible Assets [Member]</link:label>
    <link:label id="lab_tlx_IntangibleAssetsMember_documentation_en-US" xlink:label="lab_tlx_IntangibleAssetsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for intangible assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_IntangibleAssetsMember" xlink:href="tlx-20251231.xsd#tlx_IntangibleAssetsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_IntangibleAssetsMember" xlink:to="lab_tlx_IntangibleAssetsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities_019b0124-061c-7bdc-a563-bb040d1cc9c4_negatedLabel_en-US" xlink:label="lab_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Repayment of borrowings</link:label>
    <link:label id="lab_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities_label_en-US" xlink:label="lab_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Repayments of borrowings, classified as financing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:to="lab_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_CommitmentsAndContingenciesLineItems_019b0124-06b3-75b5-a18e-fdeed7dbd61b_terseLabel_en-US" xlink:label="lab_tlx_CommitmentsAndContingenciesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commitments and contingencies [Line Items]</link:label>
    <link:label id="lab_tlx_CommitmentsAndContingenciesLineItems_label_en-US" xlink:label="lab_tlx_CommitmentsAndContingenciesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commitments And Contingencies [Line Items]</link:label>
    <link:label id="lab_tlx_CommitmentsAndContingenciesLineItems_documentation_en-US" xlink:label="lab_tlx_CommitmentsAndContingenciesLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Line items represent concepts of commitments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_CommitmentsAndContingenciesLineItems" xlink:href="tlx-20251231.xsd#tlx_CommitmentsAndContingenciesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_CommitmentsAndContingenciesLineItems" xlink:to="lab_tlx_CommitmentsAndContingenciesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfAmountsIncurredByEntityForProvisionOfKeyManagementPersonnelServicesProvidedBySeparateManagementEntitiesTable_019b0124-06b3-7d61-9b0e-6372daa3843c_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfAmountsIncurredByEntityForProvisionOfKeyManagementPersonnelServicesProvidedBySeparateManagementEntitiesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of amounts incurred by entity for provision of key management personnel services provided by separate management entities [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfAmountsIncurredByEntityForProvisionOfKeyManagementPersonnelServicesProvidedBySeparateManagementEntitiesTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfAmountsIncurredByEntityForProvisionOfKeyManagementPersonnelServicesProvidedBySeparateManagementEntitiesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of amounts incurred by entity for provision of key management personnel services provided by separate management entities [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfAmountsIncurredByEntityForProvisionOfKeyManagementPersonnelServicesProvidedBySeparateManagementEntitiesTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfAmountsIncurredByEntityForProvisionOfKeyManagementPersonnelServicesProvidedBySeparateManagementEntitiesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfAmountsIncurredByEntityForProvisionOfKeyManagementPersonnelServicesProvidedBySeparateManagementEntitiesTable" xlink:to="lab_ifrs-full_DisclosureOfAmountsIncurredByEntityForProvisionOfKeyManagementPersonnelServicesProvidedBySeparateManagementEntitiesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfCreditRiskExposureExplanatory_019b0124-06b4-7c7a-92ca-00366e5e167d_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfCreditRiskExposureExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Ageing of Trade Receivables</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfCreditRiskExposureExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfCreditRiskExposureExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of credit risk exposure [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfCreditRiskExposureExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfCreditRiskExposureExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfCreditRiskExposureExplanatory" xlink:to="lab_ifrs-full_DisclosureOfCreditRiskExposureExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BorrowingsByNameAxis_019b0124-073c-7b96-a72a-d99c00d964e8_terseLabel_en-US" xlink:label="lab_ifrs-full_BorrowingsByNameAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowings by name [axis]</link:label>
    <link:label id="lab_ifrs-full_BorrowingsByNameAxis_label_en-US" xlink:label="lab_ifrs-full_BorrowingsByNameAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings by name [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BorrowingsByNameAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BorrowingsByNameAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BorrowingsByNameAxis" xlink:to="lab_ifrs-full_BorrowingsByNameAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentRawMaterialsAndCurrentProductionSupplies_019b0124-061c-7844-bbf2-a12844337a45_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentRawMaterialsAndCurrentProductionSupplies" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Raw materials and stores</link:label>
    <link:label id="lab_ifrs-full_CurrentRawMaterialsAndCurrentProductionSupplies_label_en-US" xlink:label="lab_ifrs-full_CurrentRawMaterialsAndCurrentProductionSupplies" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current raw materials and current production supplies</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentRawMaterialsAndCurrentProductionSupplies" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentRawMaterialsAndCurrentProductionSupplies"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentRawMaterialsAndCurrentProductionSupplies" xlink:to="lab_ifrs-full_CurrentRawMaterialsAndCurrentProductionSupplies" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_MaximumDeferredConsiderationRecognisedAsOfAcquisitionDate_019c12c9-7f82-718e-af78-abceb31b23d6_terseLabel_en-US" xlink:label="lab_tlx_MaximumDeferredConsiderationRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maximum deferred payment</link:label>
    <link:label id="lab_tlx_MaximumDeferredConsiderationRecognisedAsOfAcquisitionDate_label_en-US" xlink:label="lab_tlx_MaximumDeferredConsiderationRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maximum Deferred Consideration Recognised As Of Acquisition Date</link:label>
    <link:label id="lab_tlx_MaximumDeferredConsiderationRecognisedAsOfAcquisitionDate_documentation_en-US" xlink:label="lab_tlx_MaximumDeferredConsiderationRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Maximum Deferred Consideration Recognised As Of Acquisition Date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_MaximumDeferredConsiderationRecognisedAsOfAcquisitionDate" xlink:href="tlx-20251231.xsd#tlx_MaximumDeferredConsiderationRecognisedAsOfAcquisitionDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_MaximumDeferredConsiderationRecognisedAsOfAcquisitionDate" xlink:to="lab_tlx_MaximumDeferredConsiderationRecognisedAsOfAcquisitionDate" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_GainsLossesThroughRemeasurementOfOtherProvisions_019b0124-06b4-7351-9afe-470bdb9835ab_negatedLabel_en-US" xlink:label="lab_tlx_GainsLossesThroughRemeasurementOfOtherProvisions" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Remeasurement of provisions</link:label>
    <link:label id="lab_tlx_GainsLossesThroughRemeasurementOfOtherProvisions_label_en-US" xlink:label="lab_tlx_GainsLossesThroughRemeasurementOfOtherProvisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gains (Losses) Through Remeasurement Of Other Provisions</link:label>
    <link:label id="lab_tlx_GainsLossesThroughRemeasurementOfOtherProvisions_documentation_en-US" xlink:label="lab_tlx_GainsLossesThroughRemeasurementOfOtherProvisions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase (decrease) in other provisions resulting from remeasurement of provision.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_GainsLossesThroughRemeasurementOfOtherProvisions" xlink:href="tlx-20251231.xsd#tlx_GainsLossesThroughRemeasurementOfOtherProvisions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_GainsLossesThroughRemeasurementOfOtherProvisions" xlink:to="lab_tlx_GainsLossesThroughRemeasurementOfOtherProvisions" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory_019b0124-061c-7c4c-9f8c-df2083201c84_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trade and other payables</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of trade and other payables [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_WorkingCapitalMember_019c5568-5b94-7b7e-b559-5df76b5ca342_terseLabel_en-US" xlink:label="lab_tlx_WorkingCapitalMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Working capital</link:label>
    <link:label id="lab_tlx_WorkingCapitalMember_label_en-US" xlink:label="lab_tlx_WorkingCapitalMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Working Capital [Member]</link:label>
    <link:label id="lab_tlx_WorkingCapitalMember_documentation_en-US" xlink:label="lab_tlx_WorkingCapitalMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Working Capital</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_WorkingCapitalMember" xlink:href="tlx-20251231.xsd#tlx_WorkingCapitalMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_WorkingCapitalMember" xlink:to="lab_tlx_WorkingCapitalMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfGrowthRateUsedToExtrapolateCashFlowProjections_019c32e8-7603-703a-9fe3-8a1df0b2c819_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfGrowthRateUsedToExtrapolateCashFlowProjections" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long term growth rate</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfGrowthRateUsedToExtrapolateCashFlowProjections_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfGrowthRateUsedToExtrapolateCashFlowProjections" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Growth rate used to extrapolate cash flow projections</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfGrowthRateUsedToExtrapolateCashFlowProjections" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfGrowthRateUsedToExtrapolateCashFlowProjections"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfGrowthRateUsedToExtrapolateCashFlowProjections" xlink:to="lab_ifrs-full_DescriptionOfGrowthRateUsedToExtrapolateCashFlowProjections" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_TelixARTMSIncMember_019b0124-06b4-753c-a43d-ecc33546df56_terseLabel_en-US" xlink:label="lab_tlx_TelixARTMSIncMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Telix ARTMS Inc.</link:label>
    <link:label id="lab_tlx_TelixARTMSIncMember_label_en-US" xlink:label="lab_tlx_TelixARTMSIncMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Telix ARTMS Inc. [Member]</link:label>
    <link:label id="lab_tlx_TelixARTMSIncMember_documentation_en-US" xlink:label="lab_tlx_TelixARTMSIncMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The name of the entity which is controlled by another entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_TelixARTMSIncMember" xlink:href="tlx-20251231.xsd#tlx_TelixARTMSIncMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_TelixARTMSIncMember" xlink:to="lab_tlx_TelixARTMSIncMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory_019b0124-06b3-7760-974f-b745e6f54028_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Classes of Share Capital</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of classes of share capital [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory" xlink:to="lab_ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_DisclosureOfDetailedInformationAboutResearchAndDevelopmentCostsExplanatoryTextBlock_019b0124-061c-7b95-b40b-689e306fad26_terseLabel_en-US" xlink:label="lab_tlx_DisclosureOfDetailedInformationAboutResearchAndDevelopmentCostsExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Research and Development Costs</link:label>
    <link:label id="lab_tlx_DisclosureOfDetailedInformationAboutResearchAndDevelopmentCostsExplanatoryTextBlock_label_en-US" xlink:label="lab_tlx_DisclosureOfDetailedInformationAboutResearchAndDevelopmentCostsExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Research And Development Costs Explanatory [Text Block]</link:label>
    <link:label id="lab_tlx_DisclosureOfDetailedInformationAboutResearchAndDevelopmentCostsExplanatoryTextBlock_documentation_en-US" xlink:label="lab_tlx_DisclosureOfDetailedInformationAboutResearchAndDevelopmentCostsExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of detailed information about research and development costs.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_DisclosureOfDetailedInformationAboutResearchAndDevelopmentCostsExplanatoryTextBlock" xlink:href="tlx-20251231.xsd#tlx_DisclosureOfDetailedInformationAboutResearchAndDevelopmentCostsExplanatoryTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_DisclosureOfDetailedInformationAboutResearchAndDevelopmentCostsExplanatoryTextBlock" xlink:to="lab_tlx_DisclosureOfDetailedInformationAboutResearchAndDevelopmentCostsExplanatoryTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForBorrowingsExplanatory_019b0124-06b4-7365-b506-67160baf0270_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForBorrowingsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowings</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForBorrowingsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForBorrowingsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for borrowings [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForBorrowingsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForBorrowingsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForBorrowingsExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForBorrowingsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AccumulatedImpairmentMember_019be8fc-e421-763e-9841-f504a133ece5_terseLabel_en-US" xlink:label="lab_ifrs-full_AccumulatedImpairmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Allowance for impairment losses</link:label>
    <link:label id="lab_ifrs-full_AccumulatedImpairmentMember_019bfd8d-9d51-76d9-a9cc-2253f702611d_verboseLabel_en-US" xlink:label="lab_ifrs-full_AccumulatedImpairmentMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Expected credit losses</link:label>
    <link:label id="lab_ifrs-full_AccumulatedImpairmentMember_label_en-US" xlink:label="lab_ifrs-full_AccumulatedImpairmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accumulated impairment [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AccumulatedImpairmentMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AccumulatedImpairmentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AccumulatedImpairmentMember" xlink:to="lab_ifrs-full_AccumulatedImpairmentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ARTMSUSIncMember_019b0124-061c-7cd6-bc87-4f91be57b529_terseLabel_en-US" xlink:label="lab_tlx_ARTMSUSIncMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">ARTMS US, Inc.</link:label>
    <link:label id="lab_tlx_ARTMSUSIncMember_label_en-US" xlink:label="lab_tlx_ARTMSUSIncMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ARTMS US, Inc. [Member]</link:label>
    <link:label id="lab_tlx_ARTMSUSIncMember_documentation_en-US" xlink:label="lab_tlx_ARTMSUSIncMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The name of the entity which is controlled by another entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ARTMSUSIncMember" xlink:href="tlx-20251231.xsd#tlx_ARTMSUSIncMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ARTMSUSIncMember" xlink:to="lab_tlx_ARTMSUSIncMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory_019b0124-06b4-72f7-a1f7-8286357419e6_verboseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Financial assets</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of financial instruments [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinancialInstrumentsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_DeferredTaxLiabilityMember_019c54c7-c37c-75e3-aa44-3a7149ddb97f_terseLabel_en-US" xlink:label="lab_tlx_DeferredTaxLiabilityMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred tax liabilities</link:label>
    <link:label id="lab_tlx_DeferredTaxLiabilityMember_label_en-US" xlink:label="lab_tlx_DeferredTaxLiabilityMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Liability [Member]</link:label>
    <link:label id="lab_tlx_DeferredTaxLiabilityMember_documentation_en-US" xlink:label="lab_tlx_DeferredTaxLiabilityMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred Tax Liability</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_DeferredTaxLiabilityMember" xlink:href="tlx-20251231.xsd#tlx_DeferredTaxLiabilityMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_DeferredTaxLiabilityMember" xlink:to="lab_tlx_DeferredTaxLiabilityMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfReservesAndOtherEquityInterestExplanatory_019be69d-799a-72cd-9b39-e7d9f36f4c49_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfReservesAndOtherEquityInterestExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Other Reserves and Share Capital Reserve</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfReservesAndOtherEquityInterestExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfReservesAndOtherEquityInterestExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of reserves within equity [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfReservesAndOtherEquityInterestExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfReservesAndOtherEquityInterestExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfReservesAndOtherEquityInterestExplanatory" xlink:to="lab_ifrs-full_DisclosureOfReservesAndOtherEquityInterestExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory_019b0124-06b4-752c-94d3-3e9b59628e6f_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Property, Plant and Equipment</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about property, plant and equipment [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory" xlink:to="lab_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LicencesMember_019b0124-073c-7a9f-a14c-379c69714358_terseLabel_en-US" xlink:label="lab_ifrs-full_LicencesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Licenses</link:label>
    <link:label id="lab_ifrs-full_LicencesMember_label_en-US" xlink:label="lab_ifrs-full_LicencesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Licences [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LicencesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LicencesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LicencesMember" xlink:to="lab_ifrs-full_LicencesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_TelixPharmaceuticalsCanadaIncMember_019b0124-061c-79fc-9ef6-af3425b107eb_terseLabel_en-US" xlink:label="lab_tlx_TelixPharmaceuticalsCanadaIncMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Telix Pharmaceuticals (Canada) Inc.</link:label>
    <link:label id="lab_tlx_TelixPharmaceuticalsCanadaIncMember_label_en-US" xlink:label="lab_tlx_TelixPharmaceuticalsCanadaIncMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Telix Pharmaceuticals (Canada) Inc. [Member]</link:label>
    <link:label id="lab_tlx_TelixPharmaceuticalsCanadaIncMember_documentation_en-US" xlink:label="lab_tlx_TelixPharmaceuticalsCanadaIncMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The name of the entity which is controlled by another entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_TelixPharmaceuticalsCanadaIncMember" xlink:href="tlx-20251231.xsd#tlx_TelixPharmaceuticalsCanadaIncMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_TelixPharmaceuticalsCanadaIncMember" xlink:to="lab_tlx_TelixPharmaceuticalsCanadaIncMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BorrowingsInterestRate_019b0124-06b4-765e-9b49-a11dd8a2200e_terseLabel_en-US" xlink:label="lab_ifrs-full_BorrowingsInterestRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowings, interest rate (in percent)</link:label>
    <link:label id="lab_ifrs-full_BorrowingsInterestRate_label_en-US" xlink:label="lab_ifrs-full_BorrowingsInterestRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings, interest rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BorrowingsInterestRate" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BorrowingsInterestRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BorrowingsInterestRate" xlink:to="lab_ifrs-full_BorrowingsInterestRate" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_IncreaseDecreaseThroughChangesInProvisionsIntangibleAssetsAndGoodwill_019b0124-061c-7610-87d8-38dfd2502dc4_terseLabel_en-US" xlink:label="lab_tlx_IncreaseDecreaseThroughChangesInProvisionsIntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Changes in provisions</link:label>
    <link:label id="lab_tlx_IncreaseDecreaseThroughChangesInProvisionsIntangibleAssetsAndGoodwill_label_en-US" xlink:label="lab_tlx_IncreaseDecreaseThroughChangesInProvisionsIntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Changes in Provisions, Intangible Assets And Goodwill</link:label>
    <link:label id="lab_tlx_IncreaseDecreaseThroughChangesInProvisionsIntangibleAssetsAndGoodwill_documentation_en-US" xlink:label="lab_tlx_IncreaseDecreaseThroughChangesInProvisionsIntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase (decrease) in intangible assets other than goodwill resulting from changes in provision.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_IncreaseDecreaseThroughChangesInProvisionsIntangibleAssetsAndGoodwill" xlink:href="tlx-20251231.xsd#tlx_IncreaseDecreaseThroughChangesInProvisionsIntangibleAssetsAndGoodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_IncreaseDecreaseThroughChangesInProvisionsIntangibleAssetsAndGoodwill" xlink:to="lab_tlx_IncreaseDecreaseThroughChangesInProvisionsIntangibleAssetsAndGoodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_DisclosureOfInformationAboutProvisionsTextBlock_019b0124-073c-75aa-bcd4-f198406ebb92_terseLabel_en-US" xlink:label="lab_tlx_DisclosureOfInformationAboutProvisionsTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Provisions</link:label>
    <link:label id="lab_tlx_DisclosureOfInformationAboutProvisionsTextBlock_label_en-US" xlink:label="lab_tlx_DisclosureOfInformationAboutProvisionsTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Information About Provisions [Text Block]</link:label>
    <link:label id="lab_tlx_DisclosureOfInformationAboutProvisionsTextBlock_documentation_en-US" xlink:label="lab_tlx_DisclosureOfInformationAboutProvisionsTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tabular disclosure of information about provisions.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_DisclosureOfInformationAboutProvisionsTextBlock" xlink:href="tlx-20251231.xsd#tlx_DisclosureOfInformationAboutProvisionsTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_DisclosureOfInformationAboutProvisionsTextBlock" xlink:to="lab_tlx_DisclosureOfInformationAboutProvisionsTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities_019b0124-073c-7793-af87-de5c1741de99_totalLabel_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net cash used in investing activities</link:label>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities_label_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash flows from (used in) investing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashFlowsFromUsedInInvestingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InventoryRecognisedAsOfAcquisitionDate_019b0124-06b4-71eb-82d0-cf896f2d6eae_terseLabel_en-US" xlink:label="lab_ifrs-full_InventoryRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Inventories</link:label>
    <link:label id="lab_ifrs-full_InventoryRecognisedAsOfAcquisitionDate_label_en-US" xlink:label="lab_ifrs-full_InventoryRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Inventory recognised as of acquisition date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InventoryRecognisedAsOfAcquisitionDate" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InventoryRecognisedAsOfAcquisitionDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InventoryRecognisedAsOfAcquisitionDate" xlink:to="lab_ifrs-full_InventoryRecognisedAsOfAcquisitionDate" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_CommitmentsAbstract_019b0124-06b3-7581-89f1-757d17e8376d_terseLabel_en-US" xlink:label="lab_tlx_CommitmentsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commitments [Abstract]</link:label>
    <link:label id="lab_tlx_CommitmentsAbstract_label_en-US" xlink:label="lab_tlx_CommitmentsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commitments [Abstract]</link:label>
    <link:label id="lab_tlx_CommitmentsAbstract_documentation_en-US" xlink:label="lab_tlx_CommitmentsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Commitments [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_CommitmentsAbstract" xlink:href="tlx-20251231.xsd#tlx_CommitmentsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_CommitmentsAbstract" xlink:to="lab_tlx_CommitmentsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_LasVegasRadiopharmacyInc.Member_019c4c26-1038-73ae-b832-912cb22834cb_terseLabel_en-US" xlink:label="lab_tlx_LasVegasRadiopharmacyInc.Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Las Vegas Radiopharmacy, Inc.</link:label>
    <link:label id="lab_tlx_LasVegasRadiopharmacyInc.Member_label_en-US" xlink:label="lab_tlx_LasVegasRadiopharmacyInc.Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Las Vegas Radiopharmacy, Inc. [Member]</link:label>
    <link:label id="lab_tlx_LasVegasRadiopharmacyInc.Member_documentation_en-US" xlink:label="lab_tlx_LasVegasRadiopharmacyInc.Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Las Vegas Radiopharmacy, Inc.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_LasVegasRadiopharmacyInc.Member" xlink:href="tlx-20251231.xsd#tlx_LasVegasRadiopharmacyInc.Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_LasVegasRadiopharmacyInc.Member" xlink:to="lab_tlx_LasVegasRadiopharmacyInc.Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfIntangibleAssetsLineItems_019b0124-061c-794a-907c-4a65bc6ff4fd_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfIntangibleAssetsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about intangible assets [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfIntangibleAssetsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfIntangibleAssetsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about intangible assets [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfIntangibleAssetsLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfIntangibleAssetsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfIntangibleAssetsLineItems" xlink:to="lab_ifrs-full_DisclosureOfIntangibleAssetsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_CommitmentsAndContingenciesTable_019b0124-061c-7119-8ac4-19b500faea3e_terseLabel_en-US" xlink:label="lab_tlx_CommitmentsAndContingenciesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commitments and contingencies [Table]</link:label>
    <link:label id="lab_tlx_CommitmentsAndContingenciesTable_label_en-US" xlink:label="lab_tlx_CommitmentsAndContingenciesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commitments And Contingencies [Table]</link:label>
    <link:label id="lab_tlx_CommitmentsAndContingenciesTable_documentation_en-US" xlink:label="lab_tlx_CommitmentsAndContingenciesTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Commitments and contingencies [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_CommitmentsAndContingenciesTable" xlink:href="tlx-20251231.xsd#tlx_CommitmentsAndContingenciesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_CommitmentsAndContingenciesTable" xlink:to="lab_tlx_CommitmentsAndContingenciesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentFinancialAssets_019b0124-06b4-747e-9e47-81095bb5c8ef_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial assets</link:label>
    <link:label id="lab_ifrs-full_NoncurrentFinancialAssets_label_en-US" xlink:label="lab_ifrs-full_NoncurrentFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-current financial assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentFinancialAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentFinancialAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentFinancialAssets" xlink:to="lab_ifrs-full_NoncurrentFinancialAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EmployeeBenefitsExpense_019b0124-061c-7a52-9709-1065d800042f_terseLabel_en-US" xlink:label="lab_ifrs-full_EmployeeBenefitsExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unallocated employment costs</link:label>
    <link:label id="lab_ifrs-full_EmployeeBenefitsExpense_019b0124-061c-717d-bbd1-d9e9c9fa7e56_totalLabel_en-US" xlink:label="lab_ifrs-full_EmployeeBenefitsExpense" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total employment costs</link:label>
    <link:label id="lab_ifrs-full_EmployeeBenefitsExpense_label_en-US" xlink:label="lab_ifrs-full_EmployeeBenefitsExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employee benefits expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EmployeeBenefitsExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EmployeeBenefitsExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EmployeeBenefitsExpense" xlink:to="lab_ifrs-full_EmployeeBenefitsExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_OtherFinancialAssetsMaximumDepositTerm_019be90b-e411-7bc1-b64d-e856c80c837e_terseLabel_en-US" xlink:label="lab_tlx_OtherFinancialAssetsMaximumDepositTerm" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maximum deposit term</link:label>
    <link:label id="lab_tlx_OtherFinancialAssetsMaximumDepositTerm_label_en-US" xlink:label="lab_tlx_OtherFinancialAssetsMaximumDepositTerm" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Financial Assets, Maximum Deposit Term</link:label>
    <link:label id="lab_tlx_OtherFinancialAssetsMaximumDepositTerm_documentation_en-US" xlink:label="lab_tlx_OtherFinancialAssetsMaximumDepositTerm" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Financial Assets, Maximum Deposit Term</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_OtherFinancialAssetsMaximumDepositTerm" xlink:href="tlx-20251231.xsd#tlx_OtherFinancialAssetsMaximumDepositTerm"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_OtherFinancialAssetsMaximumDepositTerm" xlink:to="lab_tlx_OtherFinancialAssetsMaximumDepositTerm" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill_019b0124-06b4-7f79-b69c-39a6785189df_negatedLabel_en-US" xlink:label="lab_ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Amortization charge</link:label>
    <link:label id="lab_ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill_label_en-US" xlink:label="lab_ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amortisation, intangible assets other than goodwill</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill" xlink:to="lab_ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProceedsFromIssuingOtherEquityInstruments_019b0124-061c-7e06-891f-5bdb3ca3350b_terseLabel_en-US" xlink:label="lab_ifrs-full_ProceedsFromIssuingOtherEquityInstruments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from issue of shares and other equity</link:label>
    <link:label id="lab_ifrs-full_ProceedsFromIssuingOtherEquityInstruments_label_en-US" xlink:label="lab_ifrs-full_ProceedsFromIssuingOtherEquityInstruments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from issuing other equity instruments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProceedsFromIssuingOtherEquityInstruments" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProceedsFromIssuingOtherEquityInstruments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProceedsFromIssuingOtherEquityInstruments" xlink:to="lab_ifrs-full_ProceedsFromIssuingOtherEquityInstruments" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CopyrightsPatentsAndOtherIndustrialPropertyRightsServiceAndOperatingRightsMember_019b0124-06b3-7071-9109-a1edc17a21db_terseLabel_en-US" xlink:label="lab_ifrs-full_CopyrightsPatentsAndOtherIndustrialPropertyRightsServiceAndOperatingRightsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Patents</link:label>
    <link:label id="lab_ifrs-full_CopyrightsPatentsAndOtherIndustrialPropertyRightsServiceAndOperatingRightsMember_label_en-US" xlink:label="lab_ifrs-full_CopyrightsPatentsAndOtherIndustrialPropertyRightsServiceAndOperatingRightsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Copyrights, patents and other industrial property rights, service and operating rights [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CopyrightsPatentsAndOtherIndustrialPropertyRightsServiceAndOperatingRightsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CopyrightsPatentsAndOtherIndustrialPropertyRightsServiceAndOperatingRightsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CopyrightsPatentsAndOtherIndustrialPropertyRightsServiceAndOperatingRightsMember" xlink:to="lab_ifrs-full_CopyrightsPatentsAndOtherIndustrialPropertyRightsServiceAndOperatingRightsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentAssets_019b0124-06b3-770e-a4da-6a174d9b495c_totalLabel_en-US" xlink:label="lab_ifrs-full_CurrentAssets" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total current assets</link:label>
    <link:label id="lab_ifrs-full_CurrentAssets_019be0e0-c634-7350-b26f-168240d3a48e_verboseLabel_en-US" xlink:label="lab_ifrs-full_CurrentAssets" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Current assets</link:label>
    <link:label id="lab_ifrs-full_CurrentAssets_label_en-US" xlink:label="lab_ifrs-full_CurrentAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentAssets" xlink:to="lab_ifrs-full_CurrentAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ContractualCapitalCommitments_019b0124-061c-755d-8e90-06ea34710dcf_terseLabel_en-US" xlink:label="lab_ifrs-full_ContractualCapitalCommitments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Capital commitments</link:label>
    <link:label id="lab_ifrs-full_ContractualCapitalCommitments_label_en-US" xlink:label="lab_ifrs-full_ContractualCapitalCommitments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contractual capital commitments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ContractualCapitalCommitments" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ContractualCapitalCommitments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ContractualCapitalCommitments" xlink:to="lab_ifrs-full_ContractualCapitalCommitments" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_NetSalesPricePerUnitMember_019b0124-06b3-71a7-a58f-88ef4a200e1a_terseLabel_en-US" xlink:label="lab_tlx_NetSalesPricePerUnitMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net sales price per unit</link:label>
    <link:label id="lab_tlx_NetSalesPricePerUnitMember_label_en-US" xlink:label="lab_tlx_NetSalesPricePerUnitMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Sales Price Per Unit [Member]</link:label>
    <link:label id="lab_tlx_NetSalesPricePerUnitMember_documentation_en-US" xlink:label="lab_tlx_NetSalesPricePerUnitMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for net sales price per unit used as a measurement input.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_NetSalesPricePerUnitMember" xlink:href="tlx-20251231.xsd#tlx_NetSalesPricePerUnitMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_NetSalesPricePerUnitMember" xlink:to="lab_tlx_NetSalesPricePerUnitMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ShareOptionsMember_019b0124-06b3-7b92-8fb3-7f3299e9e589_terseLabel_en-US" xlink:label="lab_ifrs-full_ShareOptionsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Options</link:label>
    <link:label id="lab_ifrs-full_ShareOptionsMember_label_en-US" xlink:label="lab_ifrs-full_ShareOptionsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share options [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ShareOptionsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ShareOptionsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ShareOptionsMember" xlink:to="lab_ifrs-full_ShareOptionsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ImaginAbIncMember_019b442e-cf75-7db3-897f-0c0f581d100d_terseLabel_en-US" xlink:label="lab_tlx_ImaginAbIncMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">ImaginAb</link:label>
    <link:label id="lab_tlx_ImaginAbIncMember_label_en-US" xlink:label="lab_tlx_ImaginAbIncMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ImaginAb Inc [Member]</link:label>
    <link:label id="lab_tlx_ImaginAbIncMember_documentation_en-US" xlink:label="lab_tlx_ImaginAbIncMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">ImaginAb Inc</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ImaginAbIncMember" xlink:href="tlx-20251231.xsd#tlx_ImaginAbIncMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ImaginAbIncMember" xlink:to="lab_tlx_ImaginAbIncMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfOperatingSegmentsTable_019b0124-06b4-7c25-b7c9-9ff6ddd5e270_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of operating segments [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfOperatingSegmentsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of operating segments [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfOperatingSegmentsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:to="lab_ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss_019b0124-06b4-7219-b0b7-a3c613e1098e_terseLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Credited/(charged) to profit and loss</link:label>
    <link:label id="lab_ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss_label_en-US" xlink:label="lab_ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred tax expense (income) recognised in profit or loss</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss" xlink:to="lab_ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GoodsOrServicesTransferredOverTimeMember_019b0124-061c-7a4f-b1dc-0d762b3fec3a_terseLabel_en-US" xlink:label="lab_ifrs-full_GoodsOrServicesTransferredOverTimeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Over time</link:label>
    <link:label id="lab_ifrs-full_GoodsOrServicesTransferredOverTimeMember_label_en-US" xlink:label="lab_ifrs-full_GoodsOrServicesTransferredOverTimeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goods or services transferred over time [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GoodsOrServicesTransferredOverTimeMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GoodsOrServicesTransferredOverTimeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GoodsOrServicesTransferredOverTimeMember" xlink:to="lab_ifrs-full_GoodsOrServicesTransferredOverTimeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_VolumeWeightedAveragePeriod_019b0124-06b3-7935-af18-2a7d7942e87b_terseLabel_en-US" xlink:label="lab_tlx_VolumeWeightedAveragePeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Volume weighted average period</link:label>
    <link:label id="lab_tlx_VolumeWeightedAveragePeriod_label_en-US" xlink:label="lab_tlx_VolumeWeightedAveragePeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Volume Weighted Average Period</link:label>
    <link:label id="lab_tlx_VolumeWeightedAveragePeriod_documentation_en-US" xlink:label="lab_tlx_VolumeWeightedAveragePeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Volume weighted average period in in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_VolumeWeightedAveragePeriod" xlink:href="tlx-20251231.xsd#tlx_VolumeWeightedAveragePeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_VolumeWeightedAveragePeriod" xlink:to="lab_tlx_VolumeWeightedAveragePeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SegmentsAxis_019b0124-073c-7188-b92e-09cb4de69e3f_terseLabel_en-US" xlink:label="lab_ifrs-full_SegmentsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segments [axis]</link:label>
    <link:label id="lab_ifrs-full_SegmentsAxis_label_en-US" xlink:label="lab_ifrs-full_SegmentsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segments [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SegmentsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SegmentsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SegmentsAxis" xlink:to="lab_ifrs-full_SegmentsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfRisksAxis_019b0124-073c-7b57-9f87-f4e3787f6ac5_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfRisksAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Types of risks [axis]</link:label>
    <link:label id="lab_ifrs-full_TypesOfRisksAxis_label_en-US" xlink:label="lab_ifrs-full_TypesOfRisksAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Types of risks [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfRisksAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfRisksAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfRisksAxis" xlink:to="lab_ifrs-full_TypesOfRisksAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_DeferredTaxLiabilityDeferredTaxExpenseIncomeRecognizedInProfitOrLoss_019b0124-06b4-7eeb-ac83-e20b4f275ca9_terseLabel_en-US" xlink:label="lab_tlx_DeferredTaxLiabilityDeferredTaxExpenseIncomeRecognizedInProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Charges/(credit) to profit and loss</link:label>
    <link:label id="lab_tlx_DeferredTaxLiabilityDeferredTaxExpenseIncomeRecognizedInProfitOrLoss_label_en-US" xlink:label="lab_tlx_DeferredTaxLiabilityDeferredTaxExpenseIncomeRecognizedInProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Liability Deferred Tax Expense Income Recognized In Profit Or Loss</link:label>
    <link:label id="lab_tlx_DeferredTaxLiabilityDeferredTaxExpenseIncomeRecognizedInProfitOrLoss_documentation_en-US" xlink:label="lab_tlx_DeferredTaxLiabilityDeferredTaxExpenseIncomeRecognizedInProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of tax expense or income relating to changes in deferred tax liabilities recognized in profit or loss.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_DeferredTaxLiabilityDeferredTaxExpenseIncomeRecognizedInProfitOrLoss" xlink:href="tlx-20251231.xsd#tlx_DeferredTaxLiabilityDeferredTaxExpenseIncomeRecognizedInProfitOrLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_DeferredTaxLiabilityDeferredTaxExpenseIncomeRecognizedInProfitOrLoss" xlink:to="lab_tlx_DeferredTaxLiabilityDeferredTaxExpenseIncomeRecognizedInProfitOrLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TradeAndOtherPayablesAbstract_019b0124-061c-7dee-a62f-aaf022ee4b0f_terseLabel_en-US" xlink:label="lab_ifrs-full_TradeAndOtherPayablesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trade and other payables [abstract]</link:label>
    <link:label id="lab_ifrs-full_TradeAndOtherPayablesAbstract_label_en-US" xlink:label="lab_ifrs-full_TradeAndOtherPayablesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trade and other payables [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TradeAndOtherPayablesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TradeAndOtherPayablesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TradeAndOtherPayablesAbstract" xlink:to="lab_ifrs-full_TradeAndOtherPayablesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable_019b0124-06b4-753b-a5ef-507cd29c6635_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of transactions between related parties [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of transactions between related parties [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" xlink:to="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DepreciationPropertyPlantAndEquipment_019b0124-061c-7725-87de-25d66d314fbe_negatedLabel_en-US" xlink:label="lab_ifrs-full_DepreciationPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Depreciation charge</link:label>
    <link:label id="lab_ifrs-full_DepreciationPropertyPlantAndEquipment_label_en-US" xlink:label="lab_ifrs-full_DepreciationPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Depreciation, property, plant and equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DepreciationPropertyPlantAndEquipment" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DepreciationPropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DepreciationPropertyPlantAndEquipment" xlink:to="lab_ifrs-full_DepreciationPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019_019b0124-06b4-7997-a3ca-62551c721ece_terseLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exercised during the year (in AUD/USD per share)</link:label>
    <link:label id="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019_019b0124-06b4-7d45-91a9-507332b43c68_verboseLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Exercise price (in AUD/USD per share)</link:label>
    <link:label id="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019_label_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted average exercise price of share options exercised in share-based payment arrangement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019" xlink:to="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentTaxAssetsCurrent_019b0124-073c-7a2c-a587-1079e99aaa5d_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentTaxAssetsCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current tax asset</link:label>
    <link:label id="lab_ifrs-full_CurrentTaxAssetsCurrent_label_en-US" xlink:label="lab_ifrs-full_CurrentTaxAssetsCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current tax assets, current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentTaxAssetsCurrent" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentTaxAssetsCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentTaxAssetsCurrent" xlink:to="lab_ifrs-full_CurrentTaxAssetsCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AttributionOfExpensesByNatureToTheirFunctionAxis_019b45db-3ac0-72c4-a40f-042acaaf5cf4_terseLabel_en-US" xlink:label="lab_ifrs-full_AttributionOfExpensesByNatureToTheirFunctionAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Attribution of expenses by nature to their function [axis]</link:label>
    <link:label id="lab_ifrs-full_AttributionOfExpensesByNatureToTheirFunctionAxis_label_en-US" xlink:label="lab_ifrs-full_AttributionOfExpensesByNatureToTheirFunctionAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Attribution of expenses by nature to their function [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AttributionOfExpensesByNatureToTheirFunctionAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AttributionOfExpensesByNatureToTheirFunctionAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AttributionOfExpensesByNatureToTheirFunctionAxis" xlink:to="lab_ifrs-full_AttributionOfExpensesByNatureToTheirFunctionAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted_019b0124-073c-751e-b909-cd1596382ccc_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Volatility</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected volatility, share options granted</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted" xlink:to="lab_ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentProvisionsForEmployeeBenefits_019be9a4-aa0a-79c4-a14c-b5ab69bc6104_verboseLabel_en-US" xlink:label="lab_ifrs-full_CurrentProvisionsForEmployeeBenefits" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Current</link:label>
    <link:label id="lab_ifrs-full_CurrentProvisionsForEmployeeBenefits_label_en-US" xlink:label="lab_ifrs-full_CurrentProvisionsForEmployeeBenefits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current provisions for employee benefits</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentProvisionsForEmployeeBenefits" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentProvisionsForEmployeeBenefits"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentProvisionsForEmployeeBenefits" xlink:to="lab_ifrs-full_CurrentProvisionsForEmployeeBenefits" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ParValuePerShare_019b0124-06b3-7e6c-bfc3-05193fb0c1d6_terseLabel_en-US" xlink:label="lab_ifrs-full_ParValuePerShare" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share price (in dollars per share)</link:label>
    <link:label id="lab_ifrs-full_ParValuePerShare_label_en-US" xlink:label="lab_ifrs-full_ParValuePerShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Par value per share</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ParValuePerShare" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ParValuePerShare"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ParValuePerShare" xlink:to="lab_ifrs-full_ParValuePerShare" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory_019b0124-06b4-7fec-9b2b-46f3320b4c20_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, plant and equipment</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of property, plant and equipment [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory" xlink:to="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ARTMSMember_019b0124-06b4-79e2-99e2-a6abe84228dd_terseLabel_en-US" xlink:label="lab_tlx_ARTMSMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">ARTMS</link:label>
    <link:label id="lab_tlx_ARTMSMember_label_en-US" xlink:label="lab_tlx_ARTMSMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ARTMS [Member]</link:label>
    <link:label id="lab_tlx_ARTMSMember_documentation_en-US" xlink:label="lab_tlx_ARTMSMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for a product or business unit.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ARTMSMember" xlink:href="tlx-20251231.xsd#tlx_ARTMSMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ARTMSMember" xlink:to="lab_tlx_ARTMSMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted_019b0124-06b4-7bcd-8d17-2d3530d18ee7_terseLabel_en-US" xlink:label="lab_ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Dividend yield</link:label>
    <link:label id="lab_ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted_label_en-US" xlink:label="lab_ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected dividend as percentage, share options granted</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted" xlink:to="lab_ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_AmendmentFlag_019b0124-073c-7760-b8da-09845be4302f_terseLabel_en-US" xlink:label="lab_dei_AmendmentFlag" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amendment Flag</link:label>
    <link:label id="lab_dei_AmendmentFlag_label_en-US" xlink:label="lab_dei_AmendmentFlag" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amendment Flag</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AmendmentFlag"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AmendmentFlag" xlink:to="lab_dei_AmendmentFlag" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_TrancheTwoMember_019bfd5e-9e5c-7110-a6df-fee977c89f89_terseLabel_en-US" xlink:label="lab_tlx_TrancheTwoMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tranche two</link:label>
    <link:label id="lab_tlx_TrancheTwoMember_label_en-US" xlink:label="lab_tlx_TrancheTwoMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tranche Two [Member]</link:label>
    <link:label id="lab_tlx_TrancheTwoMember_documentation_en-US" xlink:label="lab_tlx_TrancheTwoMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tranche Two</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_TrancheTwoMember" xlink:href="tlx-20251231.xsd#tlx_TrancheTwoMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_TrancheTwoMember" xlink:to="lab_tlx_TrancheTwoMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ComponentsOfEquityDomain_019b0124-06b3-7624-bfc0-ccbe052a8640_terseLabel_en-US" xlink:label="lab_ifrs-full_ComponentsOfEquityDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Components of equity [domain]</link:label>
    <link:label id="lab_ifrs-full_ComponentsOfEquityDomain_label_en-US" xlink:label="lab_ifrs-full_ComponentsOfEquityDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Components of equity [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComponentsOfEquityDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComponentsOfEquityDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComponentsOfEquityDomain" xlink:to="lab_ifrs-full_ComponentsOfEquityDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SeparateManagementEntitiesDomain_019b0124-061c-7f61-8391-4e33b069444b_terseLabel_en-US" xlink:label="lab_ifrs-full_SeparateManagementEntitiesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Separate management entities [domain]</link:label>
    <link:label id="lab_ifrs-full_SeparateManagementEntitiesDomain_label_en-US" xlink:label="lab_ifrs-full_SeparateManagementEntitiesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Separate management entities [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SeparateManagementEntitiesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SeparateManagementEntitiesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SeparateManagementEntitiesDomain" xlink:to="lab_ifrs-full_SeparateManagementEntitiesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfOperatingSegmentsLineItems_019b0124-055d-77a7-ba6a-a9be812dcb9e_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of operating segments [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfOperatingSegmentsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of operating segments [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfOperatingSegmentsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:to="lab_ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_DisclosureOfContractLiabilitiesExplanatoryTextBlock_019b0124-061c-78f0-89eb-3802a6b67704_verboseLabel_en-US" xlink:label="lab_tlx_DisclosureOfContractLiabilitiesExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Contract liabilities</link:label>
    <link:label id="lab_tlx_DisclosureOfContractLiabilitiesExplanatoryTextBlock_label_en-US" xlink:label="lab_tlx_DisclosureOfContractLiabilitiesExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of contract liabilities explanatory [Text Block]</link:label>
    <link:label id="lab_tlx_DisclosureOfContractLiabilitiesExplanatoryTextBlock_documentation_en-US" xlink:label="lab_tlx_DisclosureOfContractLiabilitiesExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The entire disclosure for contract liabilities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_DisclosureOfContractLiabilitiesExplanatoryTextBlock" xlink:href="tlx-20251231.xsd#tlx_DisclosureOfContractLiabilitiesExplanatoryTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_DisclosureOfContractLiabilitiesExplanatoryTextBlock" xlink:to="lab_tlx_DisclosureOfContractLiabilitiesExplanatoryTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_IsoTherapeuticsMember_019b0124-06b4-7fcf-8d64-9143156f4d76_verboseLabel_en-US" xlink:label="lab_tlx_IsoTherapeuticsMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">IsoTherapeutics</link:label>
    <link:label id="lab_tlx_IsoTherapeuticsMember_019b0124-06b4-7947-9887-4fb58ac08039_terseLabel_en-US" xlink:label="lab_tlx_IsoTherapeuticsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">IsoTherapeutics</link:label>
    <link:label id="lab_tlx_IsoTherapeuticsMember_label_en-US" xlink:label="lab_tlx_IsoTherapeuticsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">IsoTherapeutics [Member]</link:label>
    <link:label id="lab_tlx_IsoTherapeuticsMember_documentation_en-US" xlink:label="lab_tlx_IsoTherapeuticsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for a product or business unit.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_IsoTherapeuticsMember" xlink:href="tlx-20251231.xsd#tlx_IsoTherapeuticsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_IsoTherapeuticsMember" xlink:to="lab_tlx_IsoTherapeuticsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory_019b0124-06b3-76fa-a654-e468a9d07540_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Employee benefits</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for employee benefits [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseThroughNewLeasesLiabilitiesArisingFromFinancingActivities_019b0124-061c-756b-8a0a-73412945a4cc_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseThroughNewLeasesLiabilitiesArisingFromFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Additions</link:label>
    <link:label id="lab_ifrs-full_IncreaseThroughNewLeasesLiabilitiesArisingFromFinancingActivities_label_en-US" xlink:label="lab_ifrs-full_IncreaseThroughNewLeasesLiabilitiesArisingFromFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase through new leases, liabilities arising from financing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseThroughNewLeasesLiabilitiesArisingFromFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseThroughNewLeasesLiabilitiesArisingFromFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseThroughNewLeasesLiabilitiesArisingFromFinancingActivities" xlink:to="lab_ifrs-full_IncreaseThroughNewLeasesLiabilitiesArisingFromFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_TelixOptimalTracersLLCMember_019b0124-073c-7a37-abb1-6108af040372_terseLabel_en-US" xlink:label="lab_tlx_TelixOptimalTracersLLCMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Telix Optimal Tracers, LLC</link:label>
    <link:label id="lab_tlx_TelixOptimalTracersLLCMember_label_en-US" xlink:label="lab_tlx_TelixOptimalTracersLLCMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Telix Optimal Tracers, LLC [Member]</link:label>
    <link:label id="lab_tlx_TelixOptimalTracersLLCMember_documentation_en-US" xlink:label="lab_tlx_TelixOptimalTracersLLCMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The name of the entity which is controlled by another entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_TelixOptimalTracersLLCMember" xlink:href="tlx-20251231.xsd#tlx_TelixOptimalTracersLLCMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_TelixOptimalTracersLLCMember" xlink:to="lab_tlx_TelixOptimalTracersLLCMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis_019b0124-06b4-7635-ad27-ae41595b3ab5_terseLabel_en-US" xlink:label="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Temporary difference, unused tax losses and unused tax credits [axis]</link:label>
    <link:label id="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis_label_en-US" xlink:label="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Temporary difference, unused tax losses and unused tax credits [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis"/>
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    <link:label id="lab_tlx_DisclosureOfReconciliationOfProfitLossAfterIncomeTaxToNetCashFromUsedInOperatingActivitiesTextBlock_documentation_en-US" xlink:label="lab_tlx_DisclosureOfReconciliationOfProfitLossAfterIncomeTaxToNetCashFromUsedInOperatingActivitiesTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of the reconciliation of profit (loss) after income tax to net cash from (used in) operating activities.</link:label>
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    <link:label id="lab_tlx_TelixIsoTherapeuticsGroupIncMember_019b0124-06b4-79be-9177-d6de885f0bdb_terseLabel_en-US" xlink:label="lab_tlx_TelixIsoTherapeuticsGroupIncMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Telix IsoTherapeutics Group, Inc.</link:label>
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    <link:label id="lab_tlx_TelixIsoTherapeuticsGroupIncMember_documentation_en-US" xlink:label="lab_tlx_TelixIsoTherapeuticsGroupIncMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The name of the entity which is controlled by another entity.</link:label>
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    <link:label id="lab_ifrs-full_ProvisionUsedOtherProvisions_label_en-US" xlink:label="lab_ifrs-full_ProvisionUsedOtherProvisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provision used, other provisions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProvisionUsedOtherProvisions" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProvisionUsedOtherProvisions"/>
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    <link:label id="lab_ifrs-full_RangeDomain_019b0124-061c-7595-a2d1-3b537ec3e493_terseLabel_en-US" xlink:label="lab_ifrs-full_RangeDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Range [domain]</link:label>
    <link:label id="lab_ifrs-full_RangeDomain_label_en-US" xlink:label="lab_ifrs-full_RangeDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Range [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RangeDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RangeDomain"/>
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    <link:label id="lab_tlx_TelixPharmaceuticalsAustraliaHoldingsPtyLimitedMember_019b0124-061c-72cf-8622-a3715062d4a6_terseLabel_en-US" xlink:label="lab_tlx_TelixPharmaceuticalsAustraliaHoldingsPtyLimitedMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Telix Pharmaceuticals Australia Holdings Pty Ltd</link:label>
    <link:label id="lab_tlx_TelixPharmaceuticalsAustraliaHoldingsPtyLimitedMember_label_en-US" xlink:label="lab_tlx_TelixPharmaceuticalsAustraliaHoldingsPtyLimitedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Telix Pharmaceuticals Australia Holdings Pty Limited [Member]</link:label>
    <link:label id="lab_tlx_TelixPharmaceuticalsAustraliaHoldingsPtyLimitedMember_documentation_en-US" xlink:label="lab_tlx_TelixPharmaceuticalsAustraliaHoldingsPtyLimitedMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The name of the entity which is controlled by another entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_TelixPharmaceuticalsAustraliaHoldingsPtyLimitedMember" xlink:href="tlx-20251231.xsd#tlx_TelixPharmaceuticalsAustraliaHoldingsPtyLimitedMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_TelixPharmaceuticalsAustraliaHoldingsPtyLimitedMember" xlink:to="lab_tlx_TelixPharmaceuticalsAustraliaHoldingsPtyLimitedMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables_019b0124-061c-7574-ba8a-b6a62995fb7b_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deduct trade and other payables capitalized to intangible assets</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for increase (decrease) in trade and other payables</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables"/>
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    <link:label id="lab_tlx_ContingentConsiderationLiabilityUndiscountedCashFlows_019be115-cf8d-73d2-9928-3eb99abc0e21_terseLabel_en-US" xlink:label="lab_tlx_ContingentConsiderationLiabilityUndiscountedCashFlows" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contingent consideration</link:label>
    <link:label id="lab_tlx_ContingentConsiderationLiabilityUndiscountedCashFlows_label_en-US" xlink:label="lab_tlx_ContingentConsiderationLiabilityUndiscountedCashFlows" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contingent Consideration Liability, Undiscounted Cash Flows</link:label>
    <link:label id="lab_tlx_ContingentConsiderationLiabilityUndiscountedCashFlows_documentation_en-US" xlink:label="lab_tlx_ContingentConsiderationLiabilityUndiscountedCashFlows" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Contingent Consideration Liability, Undiscounted Cash Flows</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ContingentConsiderationLiabilityUndiscountedCashFlows" xlink:href="tlx-20251231.xsd#tlx_ContingentConsiderationLiabilityUndiscountedCashFlows"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ContingentConsiderationLiabilityUndiscountedCashFlows" xlink:to="lab_tlx_ContingentConsiderationLiabilityUndiscountedCashFlows" xlink:type="arc" order="1"/>
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    <link:label id="lab_tlx_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOnPreTaxEarnings_label_en-US" xlink:label="lab_tlx_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOnPreTaxEarnings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Change In Risk Variable, Impact On Pre-Tax Earnings</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_tlx_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOnPreTaxEarnings" xlink:href="tlx-20251231.xsd#tlx_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOnPreTaxEarnings"/>
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    <link:label id="lab_ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesExplanatory_019c5514-36ea-7488-bdca-dff6bd2f6dba_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of Information for Cash-Generating Units</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of information for cash-generating units [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesExplanatory"/>
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    <link:label id="lab_tlx_ComprehensiveIncomeFromContinuingOperationsAbstract_019b0124-073c-7d2d-8353-477b70a65c81_terseLabel_en-US" xlink:label="lab_tlx_ComprehensiveIncomeFromContinuingOperationsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Continuing operations</link:label>
    <link:label id="lab_tlx_ComprehensiveIncomeFromContinuingOperationsAbstract_label_en-US" xlink:label="lab_tlx_ComprehensiveIncomeFromContinuingOperationsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Comprehensive Income From Continuing Operations [Abstract]</link:label>
    <link:label id="lab_tlx_ComprehensiveIncomeFromContinuingOperationsAbstract_documentation_en-US" xlink:label="lab_tlx_ComprehensiveIncomeFromContinuingOperationsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Comprehensive income from continuing operations [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ComprehensiveIncomeFromContinuingOperationsAbstract" xlink:href="tlx-20251231.xsd#tlx_ComprehensiveIncomeFromContinuingOperationsAbstract"/>
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    <link:label id="lab_tlx_PricewaterhouseCoopersAustraliaAndRelatedNetworkFirmsMember_019b0124-06b4-7c0f-8ca7-0c338aad5818_terseLabel_en-US" xlink:label="lab_tlx_PricewaterhouseCoopersAustraliaAndRelatedNetworkFirmsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Auditors of the Group - PricewaterhouseCoopers Australia and related network firms</link:label>
    <link:label id="lab_tlx_PricewaterhouseCoopersAustraliaAndRelatedNetworkFirmsMember_label_en-US" xlink:label="lab_tlx_PricewaterhouseCoopersAustraliaAndRelatedNetworkFirmsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Pricewaterhouse Coopers Australia And Related Network Firms [Member]</link:label>
    <link:label id="lab_tlx_PricewaterhouseCoopersAustraliaAndRelatedNetworkFirmsMember_documentation_en-US" xlink:label="lab_tlx_PricewaterhouseCoopersAustraliaAndRelatedNetworkFirmsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for Auditors of the Group - Pricewaterhouse Coopers Australia and related network firms providing auditing services.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_PricewaterhouseCoopersAustraliaAndRelatedNetworkFirmsMember" xlink:href="tlx-20251231.xsd#tlx_PricewaterhouseCoopersAustraliaAndRelatedNetworkFirmsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_PricewaterhouseCoopersAustraliaAndRelatedNetworkFirmsMember" xlink:to="lab_tlx_PricewaterhouseCoopersAustraliaAndRelatedNetworkFirmsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RevenueThatWasIncludedInContractLiabilityBalanceAtBeginningOfPeriod_019b0124-073c-720a-8413-3b2a38e5bb99_negatedLabel_en-US" xlink:label="lab_ifrs-full_RevenueThatWasIncludedInContractLiabilityBalanceAtBeginningOfPeriod" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Revenue recognized</link:label>
    <link:label id="lab_ifrs-full_RevenueThatWasIncludedInContractLiabilityBalanceAtBeginningOfPeriod_label_en-US" xlink:label="lab_ifrs-full_RevenueThatWasIncludedInContractLiabilityBalanceAtBeginningOfPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue that was included in contract liability balance at beginning of period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RevenueThatWasIncludedInContractLiabilityBalanceAtBeginningOfPeriod" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RevenueThatWasIncludedInContractLiabilityBalanceAtBeginningOfPeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RevenueThatWasIncludedInContractLiabilityBalanceAtBeginningOfPeriod" xlink:to="lab_ifrs-full_RevenueThatWasIncludedInContractLiabilityBalanceAtBeginningOfPeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_TLX66-CDxMember_019b0124-061c-7f88-82a2-a68f5c96375c_terseLabel_en-US" xlink:label="lab_tlx_TLX66-CDxMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">TLX66-CDx</link:label>
    <link:label id="lab_tlx_TLX66-CDxMember_label_en-US" xlink:label="lab_tlx_TLX66-CDxMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">TLX66-C Dx [Member]</link:label>
    <link:label id="lab_tlx_TLX66-CDxMember_documentation_en-US" xlink:label="lab_tlx_TLX66-CDxMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for a cash-generating unit.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_TLX66-CDxMember" xlink:href="tlx-20251231.xsd#tlx_TLX66-CDxMember"/>
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    <link:label id="lab_tlx_GrantDateNovember302023Member_019bea54-702e-72a6-b708-685089ccf6ea_terseLabel_en-US" xlink:label="lab_tlx_GrantDateNovember302023Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Grant date November 30, 2023</link:label>
    <link:label id="lab_tlx_GrantDateNovember302023Member_label_en-US" xlink:label="lab_tlx_GrantDateNovember302023Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Grant Date November 30, 2023 [Member]</link:label>
    <link:label id="lab_tlx_GrantDateNovember302023Member_documentation_en-US" xlink:label="lab_tlx_GrantDateNovember302023Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Grant Date November 30, 2023</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_GrantDateNovember302023Member" xlink:href="tlx-20251231.xsd#tlx_GrantDateNovember302023Member"/>
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    <link:label id="lab_ifrs-full_ExpenseFromSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets_019c540e-98a9-7687-94b2-e55c621f3d29_totalLabel_en-US" xlink:label="lab_ifrs-full_ExpenseFromSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_ifrs-full_ExpenseFromSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets_label_en-US" xlink:label="lab_ifrs-full_ExpenseFromSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expense from share-based payment transactions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ExpenseFromSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ExpenseFromSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets"/>
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    <link:label id="lab_tlx_CashTransferredUponSigning_019c552e-905a-782f-a850-4c424f9880a9_terseLabel_en-US" xlink:label="lab_tlx_CashTransferredUponSigning" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash transferred upon signing</link:label>
    <link:label id="lab_tlx_CashTransferredUponSigning_label_en-US" xlink:label="lab_tlx_CashTransferredUponSigning" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash Transferred Upon Signing</link:label>
    <link:label id="lab_tlx_CashTransferredUponSigning_documentation_en-US" xlink:label="lab_tlx_CashTransferredUponSigning" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Cash Transferred Upon Signing</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_CashTransferredUponSigning" xlink:href="tlx-20251231.xsd#tlx_CashTransferredUponSigning"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_CashTransferredUponSigning" xlink:to="lab_tlx_CashTransferredUponSigning" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_ChangeInRiskVariableAxis_019bfd87-29dd-7114-907c-860eb9cc59ff_terseLabel_en-US" xlink:label="lab_tlx_ChangeInRiskVariableAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Change In Risk Variable [Axis]</link:label>
    <link:label id="lab_tlx_ChangeInRiskVariableAxis_label_en-US" xlink:label="lab_tlx_ChangeInRiskVariableAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Change In Risk Variable [Axis]</link:label>
    <link:label id="lab_tlx_ChangeInRiskVariableAxis_documentation_en-US" xlink:label="lab_tlx_ChangeInRiskVariableAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Change In Risk Variable</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ChangeInRiskVariableAxis" xlink:href="tlx-20251231.xsd#tlx_ChangeInRiskVariableAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_ChangeInRiskVariableAxis" xlink:to="lab_tlx_ChangeInRiskVariableAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfProductsAndServicesTable_019b0124-06b4-703f-9d63-35ba4ca2ab81_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfProductsAndServicesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of products and services [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfProductsAndServicesTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfProductsAndServicesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of products and services [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfProductsAndServicesTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfProductsAndServicesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfProductsAndServicesTable" xlink:to="lab_ifrs-full_DisclosureOfProductsAndServicesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_TaxEffectsOfShareBasedPaymentsExpenseAndEmployeeShareTrustPayments_019c69f9-8060-7a28-9086-6ad22e2ec8b8_negatedTerseLabel_en-US" xlink:label="lab_tlx_TaxEffectsOfShareBasedPaymentsExpenseAndEmployeeShareTrustPayments" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Share-based payments expense &amp; Employee Share Trust payments</link:label>
    <link:label id="lab_tlx_TaxEffectsOfShareBasedPaymentsExpenseAndEmployeeShareTrustPayments_label_en-US" xlink:label="lab_tlx_TaxEffectsOfShareBasedPaymentsExpenseAndEmployeeShareTrustPayments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax Effects Of Share-Based Payments Expense And Employee Share Trust Payments</link:label>
    <link:label id="lab_tlx_TaxEffectsOfShareBasedPaymentsExpenseAndEmployeeShareTrustPayments_documentation_en-US" xlink:label="lab_tlx_TaxEffectsOfShareBasedPaymentsExpenseAndEmployeeShareTrustPayments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tax Effects Of Share-Based Payments Expense And Employee Share Trust Payments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_TaxEffectsOfShareBasedPaymentsExpenseAndEmployeeShareTrustPayments" xlink:href="tlx-20251231.xsd#tlx_TaxEffectsOfShareBasedPaymentsExpenseAndEmployeeShareTrustPayments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_TaxEffectsOfShareBasedPaymentsExpenseAndEmployeeShareTrustPayments" xlink:to="lab_tlx_TaxEffectsOfShareBasedPaymentsExpenseAndEmployeeShareTrustPayments" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_IMBCGroupMember_019b0124-06b3-77f1-bbc2-9c464b1e4cd5_terseLabel_en-US" xlink:label="lab_tlx_IMBCGroupMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">IMBC Group</link:label>
    <link:label id="lab_tlx_IMBCGroupMember_label_en-US" xlink:label="lab_tlx_IMBCGroupMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">IMBC Group [Member]</link:label>
    <link:label id="lab_tlx_IMBCGroupMember_documentation_en-US" xlink:label="lab_tlx_IMBCGroupMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The name of financial institution which company made an first loan agreement.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_IMBCGroupMember" xlink:href="tlx-20251231.xsd#tlx_IMBCGroupMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_IMBCGroupMember" xlink:to="lab_tlx_IMBCGroupMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_AddressTypeDomain_019b0124-06b4-78db-a9cd-7681b2053165_terseLabel_en-US" xlink:label="lab_dei_AddressTypeDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Address Type [Domain]</link:label>
    <link:label id="lab_dei_AddressTypeDomain_label_en-US" xlink:label="lab_dei_AddressTypeDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Address Type [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AddressTypeDomain" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AddressTypeDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AddressTypeDomain" xlink:to="lab_dei_AddressTypeDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NotionalAmount_019be940-3eda-75ad-bed9-eccac5246638_verboseLabel_en-US" xlink:label="lab_ifrs-full_NotionalAmount" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Borrowings</link:label>
    <link:label id="lab_ifrs-full_NotionalAmount_019be96d-51b7-7d4c-84c1-2d0920a338ae_terseLabel_en-US" xlink:label="lab_ifrs-full_NotionalAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Face value of convertible bonds issued</link:label>
    <link:label id="lab_ifrs-full_NotionalAmount_label_en-US" xlink:label="lab_ifrs-full_NotionalAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Notional amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NotionalAmount" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NotionalAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NotionalAmount" xlink:to="lab_ifrs-full_NotionalAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_A2.5IncreaseInPostTaxDiscountRateMember_019c21d1-294a-790e-8b5f-6b1009c814e3_terseLabel_en-US" xlink:label="lab_tlx_A2.5IncreaseInPostTaxDiscountRateMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">An increase of 2.5% in post-tax discount rate</link:label>
    <link:label id="lab_tlx_A2.5IncreaseInPostTaxDiscountRateMember_label_en-US" xlink:label="lab_tlx_A2.5IncreaseInPostTaxDiscountRateMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">2.5% Increase In Post-Tax Discount Rate [Member]</link:label>
    <link:label id="lab_tlx_A2.5IncreaseInPostTaxDiscountRateMember_documentation_en-US" xlink:label="lab_tlx_A2.5IncreaseInPostTaxDiscountRateMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">2.5% Increase In Post-Tax Discount Rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_A2.5IncreaseInPostTaxDiscountRateMember" xlink:href="tlx-20251231.xsd#tlx_A2.5IncreaseInPostTaxDiscountRateMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_A2.5IncreaseInPostTaxDiscountRateMember" xlink:to="lab_tlx_A2.5IncreaseInPostTaxDiscountRateMember" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_DisclosureOfContingentConsiderationExplanatoryTextBlock_019b0124-06b3-7602-90bd-fbeaa07b1adb_terseLabel_en-US" xlink:label="lab_tlx_DisclosureOfContingentConsiderationExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contingent consideration</link:label>
    <link:label id="lab_tlx_DisclosureOfContingentConsiderationExplanatoryTextBlock_label_en-US" xlink:label="lab_tlx_DisclosureOfContingentConsiderationExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of contingent consideration explanatory [Text Block]</link:label>
    <link:label id="lab_tlx_DisclosureOfContingentConsiderationExplanatoryTextBlock_documentation_en-US" xlink:label="lab_tlx_DisclosureOfContingentConsiderationExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The entire disclosure of contingent consideration during the year.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_DisclosureOfContingentConsiderationExplanatoryTextBlock" xlink:href="tlx-20251231.xsd#tlx_DisclosureOfContingentConsiderationExplanatoryTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_DisclosureOfContingentConsiderationExplanatoryTextBlock" xlink:to="lab_tlx_DisclosureOfContingentConsiderationExplanatoryTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_OtherReservesAbstract_019b0124-073c-7252-b3c9-a20b68f3597a_terseLabel_en-US" xlink:label="lab_tlx_OtherReservesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other reserves [Abstract]</link:label>
    <link:label id="lab_tlx_OtherReservesAbstract_label_en-US" xlink:label="lab_tlx_OtherReservesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other reserves [Abstract]</link:label>
    <link:label id="lab_tlx_OtherReservesAbstract_documentation_en-US" xlink:label="lab_tlx_OtherReservesAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other reserves [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_OtherReservesAbstract" xlink:href="tlx-20251231.xsd#tlx_OtherReservesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_OtherReservesAbstract" xlink:to="lab_tlx_OtherReservesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentLeaseLiabilities_019b0124-061c-7d07-952d-fb18fba733da_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lease liabilities</link:label>
    <link:label id="lab_ifrs-full_CurrentLeaseLiabilities_019b0124-061c-799f-a835-936503b1afac_verboseLabel_en-US" xlink:label="lab_ifrs-full_CurrentLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Current</link:label>
    <link:label id="lab_ifrs-full_CurrentLeaseLiabilities_label_en-US" xlink:label="lab_ifrs-full_CurrentLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current lease liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentLeaseLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentLeaseLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentLeaseLiabilities" xlink:to="lab_ifrs-full_CurrentLeaseLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_SalesOfGoodsCreditTerm_019b0124-061c-78b6-b444-28fc7b8be39c_terseLabel_en-US" xlink:label="lab_tlx_SalesOfGoodsCreditTerm" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Sales of goods, credit term (in days)</link:label>
    <link:label id="lab_tlx_SalesOfGoodsCreditTerm_label_en-US" xlink:label="lab_tlx_SalesOfGoodsCreditTerm" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sales Of Goods, Credit Term</link:label>
    <link:label id="lab_tlx_SalesOfGoodsCreditTerm_documentation_en-US" xlink:label="lab_tlx_SalesOfGoodsCreditTerm" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The credit term for sale of goods, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_SalesOfGoodsCreditTerm" xlink:href="tlx-20251231.xsd#tlx_SalesOfGoodsCreditTerm"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_SalesOfGoodsCreditTerm" xlink:to="lab_tlx_SalesOfGoodsCreditTerm" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_IncreaseDecreaseThroughShareBasedPaymentTransactionsAssociatedWithAcquisitionsEquity_019b0124-061c-73df-b386-cd87ca259708_terseLabel_en-US" xlink:label="lab_tlx_IncreaseDecreaseThroughShareBasedPaymentTransactionsAssociatedWithAcquisitionsEquity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-based payments associated with acquisitions</link:label>
    <link:label id="lab_tlx_IncreaseDecreaseThroughShareBasedPaymentTransactionsAssociatedWithAcquisitionsEquity_label_en-US" xlink:label="lab_tlx_IncreaseDecreaseThroughShareBasedPaymentTransactionsAssociatedWithAcquisitionsEquity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Share-Based Payment Transactions Associated With Acquisitions, Equity</link:label>
    <link:label id="lab_tlx_IncreaseDecreaseThroughShareBasedPaymentTransactionsAssociatedWithAcquisitionsEquity_documentation_en-US" xlink:label="lab_tlx_IncreaseDecreaseThroughShareBasedPaymentTransactionsAssociatedWithAcquisitionsEquity" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase (decrease) in equity resulting from share-based payment transactions associated with acquisitions.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_IncreaseDecreaseThroughShareBasedPaymentTransactionsAssociatedWithAcquisitionsEquity" xlink:href="tlx-20251231.xsd#tlx_IncreaseDecreaseThroughShareBasedPaymentTransactionsAssociatedWithAcquisitionsEquity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_IncreaseDecreaseThroughShareBasedPaymentTransactionsAssociatedWithAcquisitionsEquity" xlink:to="lab_tlx_IncreaseDecreaseThroughShareBasedPaymentTransactionsAssociatedWithAcquisitionsEquity" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_DescriptionOfAccountingPolicyForRightOfUseAssetsPolicyTextBlock_019b0124-061c-76be-9c97-53a2e7b342d8_terseLabel_en-US" xlink:label="lab_tlx_DescriptionOfAccountingPolicyForRightOfUseAssetsPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Right-of-use assets</link:label>
    <link:label id="lab_tlx_DescriptionOfAccountingPolicyForRightOfUseAssetsPolicyTextBlock_label_en-US" xlink:label="lab_tlx_DescriptionOfAccountingPolicyForRightOfUseAssetsPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description Of Accounting Policy For Right-Of-Use Assets [Policy Text Block]</link:label>
    <link:label id="lab_tlx_DescriptionOfAccountingPolicyForRightOfUseAssetsPolicyTextBlock_documentation_en-US" xlink:label="lab_tlx_DescriptionOfAccountingPolicyForRightOfUseAssetsPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The description of the entity's material accounting policy information for right-of-use assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_DescriptionOfAccountingPolicyForRightOfUseAssetsPolicyTextBlock" xlink:href="tlx-20251231.xsd#tlx_DescriptionOfAccountingPolicyForRightOfUseAssetsPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_DescriptionOfAccountingPolicyForRightOfUseAssetsPolicyTextBlock" xlink:to="lab_tlx_DescriptionOfAccountingPolicyForRightOfUseAssetsPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_CurrencyAxis_019b0124-061c-76fb-bc57-141923dc8b8a_terseLabel_en-US" xlink:label="lab_srt_CurrencyAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Currency [Axis]</link:label>
    <link:label id="lab_srt_CurrencyAxis_label_en-US" xlink:label="lab_srt_CurrencyAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Currency [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CurrencyAxis" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_CurrencyAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_CurrencyAxis" xlink:to="lab_srt_CurrencyAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DilutedEarningsLossPerShare_019b0124-06b4-7b89-8b04-9ab5dac73b0b_totalLabel_en-US" xlink:label="lab_ifrs-full_DilutedEarningsLossPerShare" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total diluted (loss)/earnings per share attributable to the ordinary equity holders of the Company (in dollars per share)</link:label>
    <link:label id="lab_ifrs-full_DilutedEarningsLossPerShare_label_en-US" xlink:label="lab_ifrs-full_DilutedEarningsLossPerShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Diluted earnings (loss) per share</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DilutedEarningsLossPerShare" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DilutedEarningsLossPerShare"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DilutedEarningsLossPerShare" xlink:to="lab_ifrs-full_DilutedEarningsLossPerShare" xlink:type="arc" order="1"/>
    <link:label id="lab_tlx_DisclosureOfCommitmentsContractualObligationsExplanatoryTableTextBlock_019b0124-06b3-7be6-a1b0-09484b3195ed_terseLabel_en-US" xlink:label="lab_tlx_DisclosureOfCommitmentsContractualObligationsExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Estimated Based on Contractual Obligations</link:label>
    <link:label id="lab_tlx_DisclosureOfCommitmentsContractualObligationsExplanatoryTableTextBlock_label_en-US" xlink:label="lab_tlx_DisclosureOfCommitmentsContractualObligationsExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Commitments, Contractual Obligations Explanatory [Table Text Block]</link:label>
    <link:label id="lab_tlx_DisclosureOfCommitmentsContractualObligationsExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_tlx_DisclosureOfCommitmentsContractualObligationsExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The tabular disclosure commitments estimated based on the contractual obligations.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_DisclosureOfCommitmentsContractualObligationsExplanatoryTableTextBlock" xlink:href="tlx-20251231.xsd#tlx_DisclosureOfCommitmentsContractualObligationsExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tlx_DisclosureOfCommitmentsContractualObligationsExplanatoryTableTextBlock" xlink:to="lab_tlx_DisclosureOfCommitmentsContractualObligationsExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MaturityDomain_019b0124-061c-7b98-b6ec-dc63aa2cea40_terseLabel_en-US" xlink:label="lab_ifrs-full_MaturityDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maturity [domain]</link:label>
    <link:label id="lab_ifrs-full_MaturityDomain_label_en-US" xlink:label="lab_ifrs-full_MaturityDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maturity [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MaturityDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MaturityDomain"/>
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    <link:label id="lab_tlx_ScheduleOfManufacturingAndDistributionCostsTableTextBlock_019b45d3-dcaa-7059-84bf-71d707e3451f_terseLabel_en-US" xlink:label="lab_tlx_ScheduleOfManufacturingAndDistributionCostsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Manufacturing and Distribution Costs</link:label>
    <link:label id="lab_tlx_ScheduleOfManufacturingAndDistributionCostsTableTextBlock_label_en-US" xlink:label="lab_tlx_ScheduleOfManufacturingAndDistributionCostsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Manufacturing And Distribution Costs [Table Text Block]</link:label>
    <link:label id="lab_tlx_ScheduleOfManufacturingAndDistributionCostsTableTextBlock_documentation_en-US" xlink:label="lab_tlx_ScheduleOfManufacturingAndDistributionCostsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule Of Manufacturing And Distribution Costs</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_ScheduleOfManufacturingAndDistributionCostsTableTextBlock" xlink:href="tlx-20251231.xsd#tlx_ScheduleOfManufacturingAndDistributionCostsTableTextBlock"/>
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    <link:label id="lab_ifrs-full_DisclosureOfConsolidatedAndSeparateFinancialStatementsExplanatory_019be15a-b845-7e36-a20d-cfeaca7c0886_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfConsolidatedAndSeparateFinancialStatementsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Parent entity financial information</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfConsolidatedAndSeparateFinancialStatementsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfConsolidatedAndSeparateFinancialStatementsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of information about separate financial statements [text block]</link:label>
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    <link:label id="lab_tlx_OtherNonCurrentLiabilitiesUndiscountedCashFlows_019c5e6c-6368-7af6-b510-b6643ebb2e60_terseLabel_en-US" xlink:label="lab_tlx_OtherNonCurrentLiabilitiesUndiscountedCashFlows" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other non-current liabilities</link:label>
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    <link:label id="lab_tlx_OtherNonCurrentLiabilitiesUndiscountedCashFlows_documentation_en-US" xlink:label="lab_tlx_OtherNonCurrentLiabilitiesUndiscountedCashFlows" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Non-Current Liabilities, Undiscounted Cash Flows</link:label>
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    <link:label id="lab_tlx_KeyManagementPersonnelCompensationAbstract_019b0124-061c-72b1-ad59-81cf2cab0cf6_terseLabel_en-US" xlink:label="lab_tlx_KeyManagementPersonnelCompensationAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Key management personnel compensation</link:label>
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    <link:label id="lab_tlx_KeyManagementPersonnelCompensationAbstract_documentation_en-US" xlink:label="lab_tlx_KeyManagementPersonnelCompensationAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Key management personnel compensation [Abstract]</link:label>
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    <link:label id="lab_tlx_GrantDateJuly272021Member_019bea4f-aa06-7d14-915f-2b76a617b8f7_terseLabel_en-US" xlink:label="lab_tlx_GrantDateJuly272021Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Grant date July 27, 2021</link:label>
    <link:label id="lab_tlx_GrantDateJuly272021Member_label_en-US" xlink:label="lab_tlx_GrantDateJuly272021Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Grant Date July 27, 2021 [Member]</link:label>
    <link:label id="lab_tlx_GrantDateJuly272021Member_documentation_en-US" xlink:label="lab_tlx_GrantDateJuly272021Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Grant Date July 27, 2021</link:label>
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    <link:label id="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable_019b0124-061c-7f19-b4dc-4f52daface81_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of terms and conditions of share-based payment arrangement [table]</link:label>
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    <link:label id="lab_tlx_DetailedInformationAboutContingentConsiderationLineItems_019b0124-061c-7b35-a7f8-06dba3d13956_terseLabel_en-US" xlink:label="lab_tlx_DetailedInformationAboutContingentConsiderationLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Detailed information about contingent consideration [Line Items]</link:label>
    <link:label id="lab_tlx_DetailedInformationAboutContingentConsiderationLineItems_label_en-US" xlink:label="lab_tlx_DetailedInformationAboutContingentConsiderationLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Detailed Information About Contingent Consideration [Line Items]</link:label>
    <link:label id="lab_tlx_DetailedInformationAboutContingentConsiderationLineItems_documentation_en-US" xlink:label="lab_tlx_DetailedInformationAboutContingentConsiderationLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Detailed information about contingent consideration [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_DetailedInformationAboutContingentConsiderationLineItems" xlink:href="tlx-20251231.xsd#tlx_DetailedInformationAboutContingentConsiderationLineItems"/>
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    <link:label id="lab_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesTable_019b0124-06b3-73ea-9b8f-1564497406c5_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of reconciliation of liabilities arising from financing activities [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of reconciliation of liabilities arising from financing activities [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesTable"/>
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    <link:label id="lab_tlx_GrantDateAxis_019be62e-b9e3-70e5-be10-a078de02c979_terseLabel_en-US" xlink:label="lab_tlx_GrantDateAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Grant Date [Axis]</link:label>
    <link:label id="lab_tlx_GrantDateAxis_label_en-US" xlink:label="lab_tlx_GrantDateAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Grant Date [Axis]</link:label>
    <link:label id="lab_tlx_GrantDateAxis_documentation_en-US" xlink:label="lab_tlx_GrantDateAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Grant Date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_tlx_GrantDateAxis" xlink:href="tlx-20251231.xsd#tlx_GrantDateAxis"/>
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    <link:label id="lab_ifrs-full_EarningsPerShareExplanatory_019b0124-06b4-763f-afb4-4fa12665f2a2_terseLabel_en-US" xlink:label="lab_ifrs-full_EarningsPerShareExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Earnings Per Share</link:label>
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    <link:label id="lab_tlx_TLX090TxMember_019c6ee2-8e73-76bf-a60e-e8b1b6a5b22c_terseLabel_en-US" xlink:label="lab_tlx_TLX090TxMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">TLX090-Tx</link:label>
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    <link:label id="lab_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems_019b0124-061c-7ee5-a0b9-6b9ccfc244fa_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of associates [line items]</link:label>
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    <link:label id="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable_019b0124-06b3-714d-8e0d-fdd18f4710a5_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about property, plant and equipment [table]</link:label>
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