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<ImplementationGuide xmlns="http://hl7.org/fhir">
  <id value="hl7.fhir.us.identity-matching"/>
  <text>
    <status value="generated"/><div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: ImplementationGuide hl7.fhir.us.identity-matching</b></p><a name="hl7.fhir.us.identity-matching"> </a><a name="hchl7.fhir.us.identity-matching"> </a><h2>DigitalIdentity</h2><p>The official URL for this implementation guide is: </p><pre>http://hl7.org/fhir/us/identity-matching/ImplementationGuide/hl7.fhir.us.identity-matching</pre></div>
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  <version value="2.0.0"/>
  <name value="DigitalIdentity"/>
  <title value="Interoperable Digital Identity and Patient Matching"/>
  <status value="active"/>
  <date value="2025-10-14"/>
  <publisher value="HL7 International / Patient Administration"/>
  <contact>
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        <valueString value="Organization"/>
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      <reference>
        <reference value="Organization/abc-hospital"/>
      </reference>
      <name value="abc-hospital"/>
      <description value="Example hospital as Organization issuing a Digital Identifier"/>
      <exampleBoolean value="true"/>
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        <valueString value="Organization"/>
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      <reference>
        <reference value="Organization/def-idp"/>
      </reference>
      <name value="def-idp"/>
      <description value="Example of Organization used as an identity provider for digital identifier"/>
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      <extension url="http://hl7.org/fhir/tools/StructureDefinition/resource-information">
        <valueString value="StructureDefinition:resource"/>
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      <reference>
        <reference value="StructureDefinition/FASTIDUDAPPerson"/>
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      <name value="FAST Identity UDAP Person"/>
      <description value="Profile on Person for use with the Interoperable Digital Identity and Patient Matching IG"/>
      <exampleBoolean value="false"/>
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    <resource>
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        <valueString value="Person"/>
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      <reference>
        <reference value="Person/FASTIDUDAPPerson-Example"/>
      </reference>
      <name value="FASTIDUDAPPerson-Example"/>
      <description value="Example of Person profile for use with the Interoperable Digital Identity and Patient Matching"/>
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    <resource>
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        <valueString value="CodeSystem"/>
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      <reference>
        <reference value="CodeSystem/Identity-Identifier-cs"/>
      </reference>
      <name value="Identity Identifier Code System"/>
      <description value="Defining codes for describing specialized identifiers to be used in Patient resource for $idi-match."/>
      <exampleBoolean value="false"/>
    </resource>
    <resource>
      <extension url="http://hl7.org/fhir/tools/StructureDefinition/resource-information">
        <valueString value="ValueSet"/>
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      <reference>
        <reference value="ValueSet/Identity-Identifier-vs"/>
      </reference>
      <name value="Identity Identifier Value Set"/>
      <description value="Codes describing various identifiers to be used in Patient resource for $idi-match."/>
      <exampleBoolean value="false"/>
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    <resource>
      <extension url="http://hl7.org/fhir/tools/StructureDefinition/resource-information">
        <valueString value="NamingSystem"/>
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      <reference>
        <reference value="NamingSystem/Identity-HL7-Person-Identifier"/>
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      <name value="Identity-HL7-Person-Identifier"/>
      <description value="Digital Identifier to assist in patient matching."/>
      <exampleBoolean value="false"/>
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    <resource>
      <extension url="http://hl7.org/fhir/tools/StructureDefinition/resource-information">
        <valueString value="StructureDefinition:resource"/>
      </extension>
      <reference>
        <reference value="StructureDefinition/idi-match-bundle"/>
      </reference>
      <name value="IDI Match Bundle"/>
      <description value="Bundle requirements for responders to an $IDI-match request. Responders **SHALL** include only absolute URL FHIR server addresses, and **SHALL NOT** include URIs for UUIDs or OIDs, in the fullURL returned. This additional constraint on a response to $IDI-match is intended to help recipients understand the source of the response, particularly when a patient match is invoked as part of record location--such that the URL would be needed for additional health data requests performed subsequent to matching. Additionally, the .identifier.assigner element within the returned Bundle **SHOULD** include an Organization resource that contains at least one appropriate contact point."/>
      <exampleBoolean value="false"/>
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    <resource>
      <extension url="http://hl7.org/fhir/tools/StructureDefinition/resource-information">
        <valueString value="StructureDefinition:resource"/>
      </extension>
      <reference>
        <reference value="StructureDefinition/idi-match-input-parameters"/>
      </reference>
      <name value="IDI Match Input Parameters"/>
      <description value="The Parameters profile used to define the inputs of the $IDI-match operation using an IDI-Patient profile for submission."/>
      <exampleBoolean value="false"/>
    </resource>
    <resource>
      <extension url="http://hl7.org/fhir/tools/StructureDefinition/resource-information">
        <valueString value="OperationDefinition"/>
      </extension>
      <reference>
        <reference value="OperationDefinition/IDI-match"/>
      </reference>
      <name value="IDI Match Operation"/>
      <description value="§1:This operation is an alternative of the $match operation, constrained to meet the additional requirements found in this IG. One of the IDI Patient profiles outline in this guide (IDI-Patient, IDI-Patient-L0, IDI-Patient-L1, IDI-Patient-L2) SHALL be used as the input for the match request. An IDI-Match-Bundle will be returned to the requesting entity. This Bundle will contain the full URLs of the sourced information, an Organization resource, and any matched Patient resources."/>
      <exampleBoolean value="false"/>
    </resource>
    <resource>
      <extension url="http://hl7.org/fhir/tools/StructureDefinition/resource-information">
        <valueString value="StructureDefinition:resource"/>
      </extension>
      <reference>
        <reference value="StructureDefinition/idi-match-output-parameters"/>
      </reference>
      <name value="IDI Match Output Parameters"/>
      <description value="The Parameters profile used to define the outputs of the $IDI-match operation."/>
      <exampleBoolean value="false"/>
    </resource>
    <resource>
      <extension url="http://hl7.org/fhir/tools/StructureDefinition/resource-information">
        <valueString value="StructureDefinition:resource"/>
      </extension>
      <reference>
        <reference value="StructureDefinition/IDI-Patient"/>
      </reference>
      <name value="IDI Patient"/>
      <description value="(Base Level) The goal of this profile is to describe a data-minimized version of Patient used to convey information about the patient for Identity Matching utilizing the $idi-match operation.  Only requires that 'some valuable data' be populated within the Patient resource and utilizes no weighting of element values."/>
      <exampleBoolean value="false"/>
    </resource>
    <resource>
      <extension url="http://hl7.org/fhir/tools/StructureDefinition/resource-information">
        <valueString value="StructureDefinition:resource"/>
      </extension>
      <reference>
        <reference value="StructureDefinition/IDI-Patient-L0"/>
      </reference>
      <name value="IDI Patient L0"/>
      <description value="(Level 0 weighting) The goal of this profile is to describe a data-minimized version of Patient used to convey information about the patient for Identity Matching utilizing the $idi-match operation, and prescribe a minimum set of data elements which, when consistent with an identity verification event performed at IDIAL1.5 or higher, meet a combined 'weighted level' of at least 9"/>
      <exampleBoolean value="false"/>
    </resource>
    <resource>
      <extension url="http://hl7.org/fhir/tools/StructureDefinition/resource-information">
        <valueString value="StructureDefinition:resource"/>
      </extension>
      <reference>
        <reference value="StructureDefinition/IDI-Patient-L1"/>
      </reference>
      <name value="IDI Patient L1"/>
      <description value="(Level 1 weighting) The goal of this profile is to describe a data-minimized version of Patient used to convey information about the patient for Identity Matching utilizing the $idi-match operation, and prescribe a minimum set of data elements which, when consistent with an identity verification event performed at IDIAL1.8 or higher, meet a combined 'weighted level' of at least 10"/>
      <exampleBoolean value="false"/>
    </resource>
    <resource>
      <extension url="http://hl7.org/fhir/tools/StructureDefinition/resource-information">
        <valueString value="StructureDefinition:resource"/>
      </extension>
      <reference>
        <reference value="StructureDefinition/IDI-Patient-L2"/>
      </reference>
      <name value="IDI Patient L2"/>
      <description value="(Level 2 weighting) The goal of this profile is to describe a data-minimized version of Patient used to convey information about the patient for Identity Matching utilizing the $idi-match operation, and prescribe a minimum set of data elements which, when consistent with an identity verification event performed at IAL2/IDIAL2 or higher, meet a combined 'weighted level' of at least 10"/>
      <exampleBoolean value="false"/>
    </resource>
    <resource>
      <extension url="http://hl7.org/fhir/tools/StructureDefinition/resource-information">
        <valueString value="Parameters"/>
      </extension>
      <reference>
        <reference value="Parameters/IDIMatchInputParameters-Example"/>
      </reference>
      <name value="IDIMatchInputParameters-Example"/>
      <description value="Example of IDI-Patient profile for submission as input parameter for $IDI-match operation"/>
      <exampleCanonical value="http://hl7.org/fhir/us/identity-matching/StructureDefinition/idi-match-input-parameters"/>
    </resource>
    <resource>
      <extension url="http://hl7.org/fhir/tools/StructureDefinition/resource-information">
        <valueString value="Parameters"/>
      </extension>
      <reference>
        <reference value="Parameters/IDIMatchOutputParameters-Example"/>
      </reference>
      <name value="IDIMatchOutputParameters-Example"/>
      <description value="Example of IDI-Patient profile for used to define the outputs of the $IDI-match operation"/>
      <exampleCanonical value="http://hl7.org/fhir/us/identity-matching/StructureDefinition/idi-match-output-parameters"/>
    </resource>
    <resource>
      <extension url="http://hl7.org/fhir/tools/StructureDefinition/resource-information">
        <valueString value="Bundle"/>
      </extension>
      <reference>
        <reference value="Bundle/MATCHOperationResponse"/>
      </reference>
      <name value="MATCHOperationResponse"/>
      <description value="Example of $IDI-match operation response with patient and organization"/>
      <exampleCanonical value="http://hl7.org/fhir/us/identity-matching/StructureDefinition/idi-match-bundle"/>
    </resource>
    <resource>
      <extension url="http://hl7.org/fhir/tools/StructureDefinition/resource-information">
        <valueString value="RelatedPerson"/>
      </extension>
      <reference>
        <reference value="RelatedPerson/patient-authorized-representative"/>
      </reference>
      <name value="patient-authorized-representative"/>
      <description value="Example of a Patient who has been assigned a Digital Identifier, and is the authorized representative of another Patient. NOTE: Determining the nature of the authorized representative relationship and, ultimately, user authorization, is out of scope for this implementation guide. However, this example illustrates the demographics and identifiers that might be used to match on these individuals' identities assuming the authorized representative status can be confirmed. This expression of an authorized representative is therefore not intended to be normative, and feedback on preferred alternative approaches is encouraged."/>
      <exampleBoolean value="true"/>
    </resource>
    <resource>
      <extension url="http://hl7.org/fhir/tools/StructureDefinition/resource-information">
        <valueString value="Patient"/>
      </extension>
      <reference>
        <reference value="Patient/ExamplePatientINCOMPLETE"/>
      </reference>
      <name value="Patient-INCOMPLETE"/>
      <description value="Example of Patient used as input to $IDI-match operation but NOT meeting Level 0, 1, OR 2 information conformance; due to partial street address, missing DL assigner, and missing first name, this example incorrectly asserts L1 and would have a match input score of only 6, amounting to insufficient data for even a B2B match"/>
      <exampleCanonical value="http://hl7.org/fhir/us/identity-matching/StructureDefinition/IDI-Patient-L1"/>
    </resource>
    <resource>
      <extension url="http://hl7.org/fhir/tools/StructureDefinition/resource-information">
        <valueString value="Patient"/>
      </extension>
      <reference>
        <reference value="Patient/ExamplePatientL0"/>
      </reference>
      <name value="Patient-L0"/>
      <description value="Example of Patient used as input to $IDI-match operation meeting Level 0 information conformance"/>
      <exampleCanonical value="http://hl7.org/fhir/us/identity-matching/StructureDefinition/IDI-Patient-L0"/>
    </resource>
    <resource>
      <extension url="http://hl7.org/fhir/tools/StructureDefinition/resource-information">
        <valueString value="Patient"/>
      </extension>
      <reference>
        <reference value="Patient/ExamplePatientL1"/>
      </reference>
      <name value="Patient-L1"/>
      <description value="Example of Patient used as input to $IDI-match operation meeting Level 1 information conformance"/>
      <exampleCanonical value="http://hl7.org/fhir/us/identity-matching/StructureDefinition/IDI-Patient-L1"/>
    </resource>
    <resource>
      <extension url="http://hl7.org/fhir/tools/StructureDefinition/resource-information">
        <valueString value="Patient"/>
      </extension>
      <reference>
        <reference value="Patient/ExamplePatientL2"/>
      </reference>
      <name value="Patient-L2"/>
      <description value="Example of Patient used as input to $IDI-match operation meeting Level 2 information conformance"/>
      <exampleCanonical value="http://hl7.org/fhir/us/identity-matching/StructureDefinition/IDI-Patient-L2"/>
    </resource>
    <resource>
      <extension url="http://hl7.org/fhir/tools/StructureDefinition/resource-information">
        <valueString value="Patient"/>
      </extension>
      <reference>
        <reference value="Patient/patient-multi-digital-identifier"/>
      </reference>
      <name value="patient-multi-digital-identifier"/>
      <description value="Example of Patient where the individual has mulitple Digital Identifiers assigned to them from three different entities: a hospital, a payer, and an IdP."/>
      <exampleBoolean value="true"/>
    </resource>
    <resource>
      <extension url="http://hl7.org/fhir/tools/StructureDefinition/resource-information">
        <valueString value="Patient"/>
      </extension>
      <reference>
        <reference value="Patient/ExamplePatient"/>
      </reference>
      <name value="Patient1"/>
      <description value="Example of Patient used as input to $IDI-match operation"/>
      <exampleCanonical value="http://hl7.org/fhir/us/identity-matching/StructureDefinition/IDI-Patient"/>
    </resource>
    <resource>
      <extension url="http://hl7.org/fhir/tools/StructureDefinition/resource-information">
        <valueString value="Organization"/>
      </extension>
      <reference>
        <reference value="Organization/xyz-payer"/>
      </reference>
      <name value="xyz-payer"/>
      <description value="Example payer as Organization issuing a Digital Identifier"/>
      <exampleBoolean value="true"/>
    </resource>
    <page>
      <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
        <valueCode value="informative"/>
      </extension>
      <extension url="http://hl7.org/fhir/tools/StructureDefinition/ig-page-name">
        <valueUrl value="toc.html"/>
      </extension>
      <nameUrl value="toc.html"/>
      <title value="Table of Contents"/>
      <generation value="html"/>
      <page>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
          <valueCode value="informative"/>
        </extension>
        <extension url="http://hl7.org/fhir/tools/StructureDefinition/ig-page-name">
          <valueUrl value="index.html"/>
        </extension>
        <nameUrl value="index.html"/>
        <title value="Home"/>
        <generation value="markdown"/>
      </page>
      <page>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
          <valueCode value="informative"/>
        </extension>
        <extension url="http://hl7.org/fhir/tools/StructureDefinition/ig-page-name">
          <valueUrl value="guidance-on-identity-assurance.html"/>
        </extension>
        <nameUrl value="guidance-on-identity-assurance.html"/>
        <title value="Guidance on Identity Assurance"/>
        <generation value="markdown"/>
      </page>
      <page>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
          <valueCode value="informative"/>
        </extension>
        <extension url="http://hl7.org/fhir/tools/StructureDefinition/ig-page-name">
          <valueUrl value="patient-matching.html"/>
        </extension>
        <nameUrl value="patient-matching.html"/>
        <title value="Patient Matching"/>
        <generation value="markdown"/>
      </page>
      <page>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
          <valueCode value="informative"/>
        </extension>
        <extension url="http://hl7.org/fhir/tools/StructureDefinition/ig-page-name">
          <valueUrl value="digital-identity.html"/>
        </extension>
        <nameUrl value="digital-identity.html"/>
        <title value="Digital Identity"/>
        <generation value="markdown"/>
      </page>
      <page>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
          <valueCode value="informative"/>
        </extension>
        <extension url="http://hl7.org/fhir/tools/StructureDefinition/ig-page-name">
          <valueUrl value="use-cases.html"/>
        </extension>
        <nameUrl value="use-cases.html"/>
        <title value="Use Cases"/>
        <generation value="markdown"/>
      </page>
      <page>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
          <valueCode value="informative"/>
        </extension>
        <extension url="http://hl7.org/fhir/tools/StructureDefinition/ig-page-name">
          <valueUrl value="industry-initiatives.html"/>
        </extension>
        <nameUrl value="industry-initiatives.html"/>
        <title value="Industry Initiatives"/>
        <generation value="markdown"/>
      </page>
      <page>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
          <valueCode value="informative"/>
        </extension>
        <extension url="http://hl7.org/fhir/tools/StructureDefinition/ig-page-name">
          <valueUrl value="downloads.html"/>
        </extension>
        <nameUrl value="downloads.html"/>
        <title value="Downloads"/>
        <generation value="markdown"/>
      </page>
      <page>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
          <valueCode value="informative"/>
        </extension>
        <extension url="http://hl7.org/fhir/tools/StructureDefinition/ig-page-name">
          <valueUrl value="glossary.html"/>
        </extension>
        <nameUrl value="glossary.html"/>
        <title value="Glossary"/>
        <generation value="markdown"/>
      </page>
      <page>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
          <valueCode value="informative"/>
        </extension>
        <extension url="http://hl7.org/fhir/tools/StructureDefinition/ig-page-name">
          <valueUrl value="changelog.html"/>
        </extension>
        <nameUrl value="changelog.html"/>
        <title value="Change Log"/>
        <generation value="markdown"/>
      </page>
    </page>
    <parameter>
      <code value="path-resource"/>
      <value value="input/capabilities"/>
    </parameter>
    <parameter>
      <code value="path-resource"/>
      <value value="input/examples"/>
    </parameter>
    <parameter>
      <code value="path-resource"/>
      <value value="input/extensions"/>
    </parameter>
    <parameter>
      <code value="path-resource"/>
      <value value="input/models"/>
    </parameter>
    <parameter>
      <code value="path-resource"/>
      <value value="input/operations"/>
    </parameter>
    <parameter>
      <code value="path-resource"/>
      <value value="input/profiles"/>
    </parameter>
    <parameter>
      <code value="path-resource"/>
      <value value="input/resources"/>
    </parameter>
    <parameter>
      <code value="path-resource"/>
      <value value="input/vocabulary"/>
    </parameter>
    <parameter>
      <code value="path-resource"/>
      <value value="input/maps"/>
    </parameter>
    <parameter>
      <code value="path-resource"/>
      <value value="input/testing"/>
    </parameter>
    <parameter>
      <code value="path-resource"/>
      <value value="input/history"/>
    </parameter>
    <parameter>
      <code value="path-resource"/>
      <value value="fsh-generated/resources"/>
    </parameter>
    <parameter>
      <code value="path-pages"/>
      <value value="template/config"/>
    </parameter>
    <parameter>
      <code value="path-pages"/>
      <value value="input/images"/>
    </parameter>
    <parameter>
      <code value="path-tx-cache"/>
      <value value="input-cache/txcache"/>
    </parameter>
  </definition>
</ImplementationGuide>