<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019cf3d3-64f4-7c23-af0e-9233138fcc51,g:0228344d-9d05-4543-acc1-8f0499414550-->
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:tlx="http://telixpharma.com/20260630" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:dtr-types1="http://www.xbrl.org/dtr/type/2022-03-31" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2024-01-31" attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://telixpharma.com/20260630">
  <xs:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/dtr/type/2022-03-31" schemaLocation="https://www.xbrl.org/dtr/type/2022-03-31/types.xsd"/>
  <xs:import namespace="http://www.xbrl.org/dtr/type/2024-01-31" schemaLocation="https://www.xbrl.org/dtr/type/2024-01-31/types.xsd"/>
  <xs:import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/country/2025" schemaLocation="https://xbrl.sec.gov/country/2025/country-2025.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/dei/2025" schemaLocation="https://xbrl.sec.gov/dei/2025/dei-2025.xsd"/>
  <xs:import namespace="https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full" schemaLocation="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd"/>
  <xs:annotation>
    <xs:appinfo>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="tlx-20260630_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="tlx-20260630_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="tlx-20260630_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="tlx-20260630_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:type="simple"/>
      <link:roleType id="Cover" roleURI="http://telixpharma.com/role/Cover">
        <link:definition>0000001 - Document - Cover</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Interimconsolidatedstatementofcomprehensiveincome" roleURI="http://telixpharma.com/role/Interimconsolidatedstatementofcomprehensiveincome">
        <link:definition>9952151 - Statement - Interim consolidated statement of comprehensive income</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Interimconsolidatedstatementofcomprehensiveincome_1" roleURI="http://telixpharma.com/role/Interimconsolidatedstatementofcomprehensiveincome_1">
        <link:definition>9952151 - Statement - Interim consolidated statement of comprehensive income</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Interimconsolidatedstatementoffinancialposition" roleURI="http://telixpharma.com/role/Interimconsolidatedstatementoffinancialposition">
        <link:definition>9952152 - Statement - Interim consolidated statement of financial position</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Interimconsolidatedstatementofchangesinequity" roleURI="http://telixpharma.com/role/Interimconsolidatedstatementofchangesinequity">
        <link:definition>9952153 - Statement - Interim consolidated statement of changes in equity</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Interimconsolidatedstatementofcashflows" roleURI="http://telixpharma.com/role/Interimconsolidatedstatementofcashflows">
        <link:definition>9952154 - Statement - Interim consolidated statement of cash flows</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Corporateinformation" roleURI="http://telixpharma.com/role/Corporateinformation">
        <link:definition>9952155 - Disclosure - Corporate information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Materialaccountingpolicyinformation" roleURI="http://telixpharma.com/role/Materialaccountingpolicyinformation">
        <link:definition>9952156 - Disclosure - Material accounting policy information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Segmentreporting" roleURI="http://telixpharma.com/role/Segmentreporting">
        <link:definition>9952157 - Disclosure - Segment reporting</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Profitandlossinformation" roleURI="http://telixpharma.com/role/Profitandlossinformation">
        <link:definition>9952158 - Disclosure - Profit and loss information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Intangibleassets" roleURI="http://telixpharma.com/role/Intangibleassets">
        <link:definition>9952159 - Disclosure - Intangible assets</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Borrowings" roleURI="http://telixpharma.com/role/Borrowings">
        <link:definition>9952160 - Disclosure - Borrowings</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Contractualmaturitiesoffinancialliabilities" roleURI="http://telixpharma.com/role/Contractualmaturitiesoffinancialliabilities">
        <link:definition>9952161 - Disclosure - Contractual maturities of financial liabilities</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Equity" roleURI="http://telixpharma.com/role/Equity">
        <link:definition>9952162 - Disclosure - Equity</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Fairvalue" roleURI="http://telixpharma.com/role/Fairvalue">
        <link:definition>9952163 - Disclosure - Fair value</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ContingentliabilitiesandCommitments" roleURI="http://telixpharma.com/role/ContingentliabilitiesandCommitments">
        <link:definition>9952164 - Disclosure - Contingent liabilities and Commitments</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Eventsoccurringafterthereportingperiod" roleURI="http://telixpharma.com/role/Eventsoccurringafterthereportingperiod">
        <link:definition>9952165 - Disclosure - Events occurring after the reporting period</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="MaterialaccountingpolicyinformationPolicies" roleURI="http://telixpharma.com/role/MaterialaccountingpolicyinformationPolicies">
        <link:definition>9955511 - Disclosure - Material accounting policy information (Policies)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentreportingTables" roleURI="http://telixpharma.com/role/SegmentreportingTables">
        <link:definition>9955512 - Disclosure - Segment reporting (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ProfitandlossinformationTables" roleURI="http://telixpharma.com/role/ProfitandlossinformationTables">
        <link:definition>9955513 - Disclosure - Profit and loss information (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IntangibleassetsTables" roleURI="http://telixpharma.com/role/IntangibleassetsTables">
        <link:definition>9955514 - Disclosure - Intangible assets (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BorrowingsTables" roleURI="http://telixpharma.com/role/BorrowingsTables">
        <link:definition>9955515 - Disclosure - Borrowings (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ContractualmaturitiesoffinancialliabilitiesTables" roleURI="http://telixpharma.com/role/ContractualmaturitiesoffinancialliabilitiesTables">
        <link:definition>9955516 - Disclosure - Contractual maturities of financial liabilities (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EquityTables" roleURI="http://telixpharma.com/role/EquityTables">
        <link:definition>9955517 - Disclosure - Equity (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ContingentliabilitiesandCommitmentsTables" roleURI="http://telixpharma.com/role/ContingentliabilitiesandCommitmentsTables">
        <link:definition>9955518 - Disclosure - Contingent liabilities and Commitments (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="MaterialaccountingpolicyinformationDetails" roleURI="http://telixpharma.com/role/MaterialaccountingpolicyinformationDetails">
        <link:definition>9955519 - Disclosure - Material accounting policy information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentreportingScheduleofSegmentPerformanceDetails" roleURI="http://telixpharma.com/role/SegmentreportingScheduleofSegmentPerformanceDetails">
        <link:definition>9955520 - Disclosure - Segment reporting - Schedule of Segment Performance (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentreportingScheduleofReconciliationofSegmentAdjustedEBITDAtoProfitLossBeforeIncomeTaxesDetails" roleURI="http://telixpharma.com/role/SegmentreportingScheduleofReconciliationofSegmentAdjustedEBITDAtoProfitLossBeforeIncomeTaxesDetails">
        <link:definition>9955521 - Disclosure - Segment reporting - Schedule of Reconciliation of Segment Adjusted EBITDA to Profit/Loss Before Income Taxes (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentreportingNarrativeDetails" roleURI="http://telixpharma.com/role/SegmentreportingNarrativeDetails">
        <link:definition>9955522 - Disclosure - Segment reporting - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentreportingScheduleofOperatingSegmentAssetsandLiabilitiesDetails" roleURI="http://telixpharma.com/role/SegmentreportingScheduleofOperatingSegmentAssetsandLiabilitiesDetails">
        <link:definition>9955523 - Disclosure - Segment reporting - Schedule of Operating Segment Assets and Liabilities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentreportingScheduleofGeographicalInformationDetails" roleURI="http://telixpharma.com/role/SegmentreportingScheduleofGeographicalInformationDetails">
        <link:definition>9955524 - Disclosure - Segment reporting - Schedule of Geographical Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ProfitandlossinformationScheduleofRevenuefromContractswithCustomersDetails" roleURI="http://telixpharma.com/role/ProfitandlossinformationScheduleofRevenuefromContractswithCustomersDetails">
        <link:definition>9955525 - Disclosure - Profit and loss information - Schedule of Revenue from Contracts with Customers (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ProfitandlossinformationScheduleofEmploymentCostsDetails" roleURI="http://telixpharma.com/role/ProfitandlossinformationScheduleofEmploymentCostsDetails">
        <link:definition>9955526 - Disclosure - Profit and loss information - Schedule of Employment Costs (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ProfitandlossinformationNarrativeDetails" roleURI="http://telixpharma.com/role/ProfitandlossinformationNarrativeDetails">
        <link:definition>9955527 - Disclosure - Profit and loss information - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ProfitandlossinformationScheduleofDepreciationandamortizationDetails" roleURI="http://telixpharma.com/role/ProfitandlossinformationScheduleofDepreciationandamortizationDetails">
        <link:definition>9955528 - Disclosure - Profit and loss information - Schedule of Depreciation and amortization (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ProfitandlossinformationScheduleofOtherIncomeDetails" roleURI="http://telixpharma.com/role/ProfitandlossinformationScheduleofOtherIncomeDetails">
        <link:definition>9955529 - Disclosure - Profit and loss information - Schedule of Other Income (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ProfitandlossinformationScheduleofFinanceCostsDetails" roleURI="http://telixpharma.com/role/ProfitandlossinformationScheduleofFinanceCostsDetails">
        <link:definition>9955530 - Disclosure - Profit and loss information - Schedule of Finance Costs (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IntangibleassetsDetails" roleURI="http://telixpharma.com/role/IntangibleassetsDetails">
        <link:definition>9955531 - Disclosure - Intangible assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BorrowingsNarrativeDetails" roleURI="http://telixpharma.com/role/BorrowingsNarrativeDetails">
        <link:definition>9955532 - Disclosure - Borrowings - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BorrowingsScheduleofBorrowingsDetails" roleURI="http://telixpharma.com/role/BorrowingsScheduleofBorrowingsDetails">
        <link:definition>9955533 - Disclosure - Borrowings - Schedule of Borrowings (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BorrowingsScheduleofConvertibleBondsDetails" roleURI="http://telixpharma.com/role/BorrowingsScheduleofConvertibleBondsDetails">
        <link:definition>9955534 - Disclosure - Borrowings - Schedule of Convertible Bonds (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BorrowingsScheduleofFairValueHierarchyDetails" roleURI="http://telixpharma.com/role/BorrowingsScheduleofFairValueHierarchyDetails">
        <link:definition>9955535 - Disclosure - Borrowings - Schedule of Fair Value Hierarchy (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ContractualmaturitiesoffinancialliabilitiesDetails" roleURI="http://telixpharma.com/role/ContractualmaturitiesoffinancialliabilitiesDetails">
        <link:definition>9955536 - Disclosure - Contractual maturities of financial liabilities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EquityScheduleofShareCapitalDetails" roleURI="http://telixpharma.com/role/EquityScheduleofShareCapitalDetails">
        <link:definition>9955537 - Disclosure - Equity - Schedule of Share Capital (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EquityNarrativeDetails" roleURI="http://telixpharma.com/role/EquityNarrativeDetails">
        <link:definition>9955538 - Disclosure - Equity - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EquityScheduleofOtherReservesDetails" roleURI="http://telixpharma.com/role/EquityScheduleofOtherReservesDetails">
        <link:definition>9955539 - Disclosure - Equity - Schedule of Other Reserves (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairvalueDetails" roleURI="http://telixpharma.com/role/FairvalueDetails">
        <link:definition>9955540 - Disclosure - Fair value (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ContingentliabilitiesandCommitmentsDetails" roleURI="http://telixpharma.com/role/ContingentliabilitiesandCommitmentsDetails">
        <link:definition>9955541 - Disclosure - Contingent liabilities and Commitments (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
    </xs:appinfo>
  </xs:annotation>
  <xs:element id="tlx_ComprehensiveIncomeFromContinuingOperationsAbstract" abstract="true" name="ComprehensiveIncomeFromContinuingOperationsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tlx_ManufacturingAndDistributionCosts" abstract="false" name="ManufacturingAndDistributionCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tlx_CurrentContingentConsideration" abstract="false" name="CurrentContingentConsideration" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tlx_CurrentEmployeeBenefitObligations" abstract="false" name="CurrentEmployeeBenefitObligations" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tlx_NonCurrentContingentConsideration" abstract="false" name="NonCurrentContingentConsideration" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tlx_NonCurrentEmployeeBenefitObligations" abstract="false" name="NonCurrentEmployeeBenefitObligations" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tlx_CapitalReserveDeficit" abstract="false" name="CapitalReserveDeficit" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tlx_RepurchaseOfConvertibleBonds" abstract="false" name="RepurchaseOfConvertibleBonds" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tlx_IncreaseDecreaseThroughTransactionCostsArisingOnConvertibleBondsIssue" abstract="false" name="IncreaseDecreaseThroughTransactionCostsArisingOnConvertibleBondsIssue" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tlx_IncreaseDecreaseThroughShareBasedPaymentTransactionsAssociatedWithAcquisitionsEquity" abstract="false" name="IncreaseDecreaseThroughShareBasedPaymentTransactionsAssociatedWithAcquisitionsEquity" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tlx_IncreaseDecreaseThroughTransferOnSatisfactionOfAcquisitionPerformanceRights" abstract="false" name="IncreaseDecreaseThroughTransferOnSatisfactionOfAcquisitionPerformanceRights" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tlx_IncreaseDecreaseThroughTransferOnExerciseOfOptionsEquity" abstract="false" name="IncreaseDecreaseThroughTransferOnExerciseOfOptionsEquity" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tlx_ReceiptsFromCollaborationAgreements" abstract="false" name="ReceiptsFromCollaborationAgreements" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tlx_PaymentsForContingentConsiderationClassifiedAsOperatingActivities" abstract="false" name="PaymentsForContingentConsiderationClassifiedAsOperatingActivities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tlx_PurchaseOfContingentConsiderationClassifiedAsInvestingActivities" abstract="false" name="PurchaseOfContingentConsiderationClassifiedAsInvestingActivities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tlx_PaymentsOfDeferredConsiderationClassifiedAsInvestingActivities" abstract="false" name="PaymentsOfDeferredConsiderationClassifiedAsInvestingActivities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tlx_CorporateInformationAbstract" abstract="true" name="CorporateInformationAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tlx_MaterialAccountingPolicyInformationAbstract" abstract="true" name="MaterialAccountingPolicyInformationAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tlx_DisclosureOfProfitAndLossInformationTextBlock" abstract="false" name="DisclosureOfProfitAndLossInformationTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="tlx_MaturityAnalysisForNonDerivativeFinancialLiabilitiesAbstract" abstract="true" name="MaturityAnalysisForNonDerivativeFinancialLiabilitiesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tlx_FairValueAbstract" abstract="true" name="FairValueAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tlx_DescriptionOfAccountingPolicyForGoingConcernPolicyTextBlock" abstract="false" name="DescriptionOfAccountingPolicyForGoingConcernPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="tlx_DescriptionOfAccountingPolicyForOtherIncomePolicyTextBlock" abstract="false" name="DescriptionOfAccountingPolicyForOtherIncomePolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="tlx_DisclosureOfDetailedInformationAboutEmploymentCostsTextBlock" abstract="false" name="DisclosureOfDetailedInformationAboutEmploymentCostsTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="tlx_ScheduleOfDisclosureOfDepreciationAndAmortizationTextBlock" abstract="false" name="ScheduleOfDisclosureOfDepreciationAndAmortizationTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="tlx_DisclosureOfOtherIncomeTextBlock" abstract="false" name="DisclosureOfOtherIncomeTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="tlx_DisclosureOfDetailedInformationAboutFinanceCostsTextBlock" abstract="false" name="DisclosureOfDetailedInformationAboutFinanceCostsTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="tlx_DisclosureOfDetailedInformationAboutConvertibleBondsReportedInStatementOfFinancialPositionTableTextBlock" abstract="false" name="DisclosureOfDetailedInformationAboutConvertibleBondsReportedInStatementOfFinancialPositionTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="tlx_DisclosureOfCommitmentsContractualObligationsExplanatoryTableTextBlock" abstract="false" name="DisclosureOfCommitmentsContractualObligationsExplanatoryTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="tlx_PrecisionMedicineMember" abstract="true" name="PrecisionMedicineMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tlx_TherapeuticsMember" abstract="true" name="TherapeuticsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tlx_ManufacturingSolutionsMember" abstract="true" name="ManufacturingSolutionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tlx_InterSegmentRevenue" abstract="false" name="InterSegmentRevenue" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tlx_AdjustedEarningsLossBeforeInterestTaxDepreciationAndAmortization" abstract="false" name="AdjustedEarningsLossBeforeInterestTaxDepreciationAndAmortization" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tlx_ReconciliationOfTotalSegmentAdjustedEBITDAAndGroupAdjustedEBITAToProfitLossBeforeIncomeTaxAbstract" abstract="true" name="ReconciliationOfTotalSegmentAdjustedEBITDAAndGroupAdjustedEBITAToProfitLossBeforeIncomeTaxAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tlx_UnallocatedIncomeExpensesAndEliminationsAbstract" abstract="true" name="UnallocatedIncomeExpensesAndEliminationsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tlx_OperatingSegmentAssetsAndLiabilitiesAbstract" abstract="true" name="OperatingSegmentAssetsAndLiabilitiesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tlx_RevenueFromResearchAndDevelopmentServices" abstract="false" name="RevenueFromResearchAndDevelopmentServices" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tlx_SalesCommissions" abstract="false" name="SalesCommissions" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tlx_NonExecutiveDirectorsFees" abstract="false" name="NonExecutiveDirectorsFees" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tlx_NumberOfInitialTherapeuticPrograms" abstract="false" name="NumberOfInitialTherapeuticPrograms" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="tlx_GainLossOnRepurchaseOfConvertibleBonds" abstract="false" name="GainLossOnRepurchaseOfConvertibleBonds" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tlx_UnwindOfDiscount" abstract="false" name="UnwindOfDiscount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tlx_CustomerRelationshipsAndBrandsMember" abstract="true" name="CustomerRelationshipsAndBrandsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tlx_IncreaseDecreaseThroughMeasurementPeriodAdjustmentsIntangibleAssetsAndGoodwill" abstract="false" name="IncreaseDecreaseThroughMeasurementPeriodAdjustmentsIntangibleAssetsAndGoodwill" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tlx_IncreaseDecreaseThroughChangesInProvisionsIntangibleAssetsAndGoodwill" abstract="false" name="IncreaseDecreaseThroughChangesInProvisionsIntangibleAssetsAndGoodwill" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tlx_ConvertibleNoteDue2031NewBondsMember" abstract="true" name="ConvertibleNoteDue2031NewBondsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tlx_ConvertibleNoteDue2029ExistingBondsMember" abstract="true" name="ConvertibleNoteDue2029ExistingBondsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tlx_BondsRepurchased" abstract="false" name="BondsRepurchased" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tlx_RepurchasedBondsAsAPercentageOfExistingBonds" abstract="false" name="RepurchasedBondsAsAPercentageOfExistingBonds" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="tlx_SecuredWorkingCapitalFacilityCurrent" abstract="false" name="SecuredWorkingCapitalFacilityCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tlx_SecuredBorrowingsCurrent" abstract="false" name="SecuredBorrowingsCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tlx_UnsecuredBorrowingsCurrent" abstract="false" name="UnsecuredBorrowingsCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tlx_SecuredWorkingCapitalFacilityNonCurrent" abstract="false" name="SecuredWorkingCapitalFacilityNonCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tlx_SecuredBorrowingsNonCurrent" abstract="false" name="SecuredBorrowingsNonCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tlx_UnsecuredBorrowingsNonCurrent" abstract="false" name="UnsecuredBorrowingsNonCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tlx_ConvertibleBondsMember" abstract="true" name="ConvertibleBondsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tlx_InterestPaidOnConvertibleBonds" abstract="false" name="InterestPaidOnConvertibleBonds" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tlx_OtherEquitySecuritiesValueOfConversionRights" abstract="false" name="OtherEquitySecuritiesValueOfConversionRights" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tlx_IncreaseDecreaseInForeignExchangeDifferencesInConvertibleBonds" abstract="false" name="IncreaseDecreaseInForeignExchangeDifferencesInConvertibleBonds" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tlx_BankLoansMember" abstract="true" name="BankLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tlx_OtherNonCurrentLiabilitiesUndiscountedCashFlows" abstract="false" name="OtherNonCurrentLiabilitiesUndiscountedCashFlows" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tlx_GovernmentGrantLiabilityUndiscountedCashFlows" abstract="false" name="GovernmentGrantLiabilityUndiscountedCashFlows" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tlx_ContingentConsiderationLiabilityUndiscountedCashFlows" abstract="false" name="ContingentConsiderationLiabilityUndiscountedCashFlows" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tlx_ContingentConsideration" abstract="false" name="ContingentConsideration" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tlx_DedicaidGmbHMember" abstract="true" name="DedicaidGmbHMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tlx_LightpointMedicalMember" abstract="true" name="LightpointMedicalMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tlx_ImaginAbIncMember" abstract="true" name="ImaginAbIncMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tlx_NumberOfSharesAbstract" abstract="true" name="NumberOfSharesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tlx_IncreaseDecreaseSharesIssuedThroughExerciseOfShareOptionsAndWarrants" abstract="false" name="IncreaseDecreaseSharesIssuedThroughExerciseOfShareOptionsAndWarrants" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="tlx_IncreaseDecreaseInNumberOfSharesIssued" abstract="false" name="IncreaseDecreaseInNumberOfSharesIssued" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="tlx_ValueOfShareholdingAbstract" abstract="true" name="ValueOfShareholdingAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tlx_SharesIssuedThroughExerciseOfShareOptionsAndWarrants" abstract="false" name="SharesIssuedThroughExerciseOfShareOptionsAndWarrants" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tlx_VolumeWeightedAveragePeriod" abstract="false" name="VolumeWeightedAveragePeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="tlx_VolumeWeightedAveragePriceOfEquityInstruments" abstract="false" name="VolumeWeightedAveragePriceOfEquityInstruments" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:perShareItemType"/>
  <xs:element id="tlx_DeferredConsiderationIndemnityPeriod" abstract="false" name="DeferredConsiderationIndemnityPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="tlx_OtherReservesAbstract" abstract="true" name="OtherReservesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tlx_IncreaseDecreaseThroughTransferOnSatisfactionOfAcquisitionPerformanceRightsEquity" abstract="false" name="IncreaseDecreaseThroughTransferOnSatisfactionOfAcquisitionPerformanceRightsEquity" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tlx_DisclosureOfFairValueOfAssetsAndLiabilitiesTable" abstract="true" name="DisclosureOfFairValueOfAssetsAndLiabilitiesTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="tlx_DiscountRateRiskMember" abstract="true" name="DiscountRateRiskMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tlx_SalesVolumeRiskMember" abstract="true" name="SalesVolumeRiskMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tlx_DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesLineItems" abstract="true" name="DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tlx_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariablePercent" abstract="false" name="SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariablePercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="tlx_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOnOtherComprehensiveIncome" abstract="false" name="SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOnOtherComprehensiveIncome" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tlx_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOnPreTaxEarnings" abstract="false" name="SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOnPreTaxEarnings" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tlx_CommitmentsAndContingenciesTable" abstract="true" name="CommitmentsAndContingenciesTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="tlx_CommitmentsAndContingenciesLineItems" abstract="true" name="CommitmentsAndContingenciesLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tlx_ResearchAndDevelopmentsCommitmentsContractualObligations" abstract="false" name="ResearchAndDevelopmentsCommitmentsContractualObligations" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
