HL7 Version 2 to FHIR
1.0.0 - STU 1 International flag

HL7 Version 2 to FHIR, published by HL7 International / Orders and Observations. This guide is not an authorized publication; it is the continuous build for version 1.0.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/v2-to-fhir/ and changes regularly. See the Directory of published versions

: Datatype CX to Identifier Map - XML Representation

Page standards status: Informative

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<ConceptMap xmlns="http://hl7.org/fhir">
  <id value="datatype-cx-to-identifier"/>
  <text>
    <status value="generated"/>
    <div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: ConceptMap datatype-cx-to-identifier</b></p><a name="datatype-cx-to-identifier"> </a><a name="hcdatatype-cx-to-identifier"> </a><p>Mapping from (not specified) to (not specified)</p><br/><p><b>Group 1 </b>Mapping from <code>unspecified code system</code> to <code>unspecified code system</code></p><table class="grid"><tr><td colspan="4"><b>Source Concept Details</b></td><td><b>Relationship</b></td><td colspan="2"><b>Target Concept Details</b></td><td><b>Comment</b></td></tr><tr><td colspan="2"><b>Codes</b> from </td><td><b>NarrativeCondition</b></td><td><b>ComputableANTLR</b></td><td/><td colspan="2"><b>Codes</b> from </td><td/></tr><tr><td style="border-right-width: 0px">CX.1</td><td style="border-left-width: 0px">ID Number</td><td/><td/><td><a href="http://hl7.org/fhir/R5/codesystem-concept-map-relationship.html#equivalent" title="equivalent">is equivalent to</a></td><td style="border-right-width: 0px">value</td><td style="border-left-width: 0px">value</td><td/></tr><tr><td style="border-right-width: 0px">CX.2</td><td style="border-left-width: 0px">Identifier Check Digit</td><td/><td/><td><a href="http://hl7.org/fhir/R5/codesystem-concept-map-relationship.html#equivalent" title="equivalent">is equivalent to</a></td><td style="border-right-width: 0px">extension[1].url</td><td style="border-left-width: 0px">extension[1].url</td><td/></tr><tr><td style="border-right-width: 0px">CX.2</td><td style="border-left-width: 0px">Identifier Check Digit</td><td/><td/><td><a href="http://hl7.org/fhir/R5/codesystem-concept-map-relationship.html#equivalent" title="equivalent">is equivalent to</a></td><td style="border-right-width: 0px">extension[1].valueString</td><td style="border-left-width: 0px">extension[1].valueString</td><td/></tr><tr><td style="border-right-width: 0px">CX.3</td><td style="border-left-width: 0px">Check Digit Scheme</td><td/><td/><td><a href="http://hl7.org/fhir/R5/codesystem-concept-map-relationship.html#equivalent" title="equivalent">is equivalent to</a></td><td style="border-right-width: 0px">extension[2].url</td><td style="border-left-width: 0px">extension[2].url</td><td/></tr><tr><td style="border-right-width: 0px">CX.3</td><td style="border-left-width: 0px">Check Digit Scheme</td><td/><td/><td><a href="http://hl7.org/fhir/R5/codesystem-concept-map-relationship.html#equivalent" title="equivalent">is equivalent to</a></td><td style="border-right-width: 0px">extension[2].valueString</td><td style="border-left-width: 0px">extension[2].valueString</td><td/></tr><tr><td style="border-right-width: 0px">CX.4</td><td style="border-left-width: 0px">Assigning Authority</td><td>If not in http://hl7.org/implement/standards/fhir/identifier-registry.html then determine whether organization or system</td><td/><td><a href="http://hl7.org/fhir/R5/codesystem-concept-map-relationship.html#equivalent" title="equivalent">is equivalent to</a></td><td style="border-right-width: 0px">assigner(Organization)</td><td style="border-left-width: 0px">assigner(Organization)</td><td/></tr><tr><td style="border-right-width: 0px">CX.4</td><td style="border-left-width: 0px">Assigning Authority</td><td/><td>IF CX.4 IN http://hl7.org/implement/standards/fhir/identifier-registry.html</td><td><a href="http://hl7.org/fhir/R5/codesystem-concept-map-relationship.html#equivalent" title="equivalent">is equivalent to</a></td><td style="border-right-width: 0px">system</td><td style="border-left-width: 0px">system</td><td>Typically the assigning authority reflects an organization, but if it is an actual system (EHR 1 vs. EHR 2, both supporting the same organization where one cannot get more specific), then CX.4 should be mapped to .system</td></tr><tr><td style="border-right-width: 0px">CX.5</td><td style="border-left-width: 0px">Identifier Type Code</td><td/><td/><td><a href="http://hl7.org/fhir/R5/codesystem-concept-map-relationship.html#equivalent" title="equivalent">is equivalent to</a></td><td style="border-right-width: 0px">type.coding.code</td><td style="border-left-width: 0px">type.coding.code</td><td/></tr><tr><td style="border-right-width: 0px">CX.7</td><td style="border-left-width: 0px">Effective Date</td><td/><td/><td><a href="http://hl7.org/fhir/R5/codesystem-concept-map-relationship.html#equivalent" title="equivalent">is equivalent to</a></td><td style="border-right-width: 0px">period.start</td><td style="border-left-width: 0px">period.start</td><td/></tr><tr><td style="border-right-width: 0px">CX.8</td><td style="border-left-width: 0px">Expiration Date</td><td/><td/><td><a href="http://hl7.org/fhir/R5/codesystem-concept-map-relationship.html#equivalent" title="equivalent">is equivalent to</a></td><td style="border-right-width: 0px">period.end</td><td style="border-left-width: 0px">period.end</td><td/></tr></table></div>
  </text>
  <extension
             url="http://hl7.org/fhir/uv/v2mappings/StructureDefinition/RelatedArtifact">
    <extension url="type">
      <valueCode value="derived-from"/>
    </extension>
    <extension url="label">
      <valueString value="Datatype CX to Identifier.fsh"/>
    </extension>
    <extension url="url">
      <valueUri
                value="https://docs.google.com/spreadsheets/d/1wZsWZMw0kBpu-oWB1U3iljL0m_7PLGM9tFfSqBUoRU4/edit#gid=0"/>
    </extension>
  </extension>
  <extension
             url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
    <valueCode value="oo"/>
  </extension>
  <extension
             url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
    <valueCode value="informative">
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom">
        <valueCanonical
                        value="http://hl7.org/fhir/uv/v2mappings/ImplementationGuide/hl7.fhir.uv.v2mappings"/>
      </extension>
    </valueCode>
  </extension>
  <url
       value="http://hl7.org/fhir/uv/v2mappings/ConceptMap/datatype-cx-to-identifier"/>
  <version value="1.0.0"/>
  <name value="DatatypeCXToIdentifier"/>
  <title value="Datatype CX to Identifier Map"/>
  <status value="active"/>
  <experimental value="true"/>
  <date value="2025-08-25"/>
  <publisher value="HL7 International / Orders and Observations"/>
  <contact>
    <name value="HL7 Orders and Observations Workgroup"/>
    <telecom>
      <system value="url"/>
      <value value="http://www.hl7.org/Special/committees/orders"/>
    </telecom>
  </contact>
  <description
               value="This ConceptMap represents a mapping from the HL7 V2 Datatype CX to the FHIR Identifier Data Type."/>
  <jurisdiction>
    <coding>
      <system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/>
      <code value="001"/>
    </coding>
  </jurisdiction>
  <copyright
             value="Copyright (c) 2025, HL7 International, Inc., All Rights Reserved."/>
  <group>
    <element>
      <extension
                 url="http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo">
        <extension url="type">
          <valueCode value="ST"/>
        </extension>
        <extension url="cardinalityMin">
          <valueInteger value="1"/>
        </extension>
        <extension url="cardinalityMax">
          <valueInteger value="1"/>
        </extension>
      </extension>
      <code value="CX.1"/>
      <display value="ID Number"/>
      <target>
        <extension
                   url="http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo">
          <extension url="type">
            <valueCode value="string"/>
          </extension>
          <extension url="cardinalityMin">
            <valueInteger value="1"/>
          </extension>
          <extension url="cardinalityMax">
            <valueInteger value="1"/>
          </extension>
        </extension>
        <code value="value"/>
        <display value="value"/>
        <equivalence value="equivalent"/>
      </target>
    </element>
    <element>
      <extension
                 url="http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo">
        <extension url="type">
          <valueCode value="ST"/>
        </extension>
        <extension url="cardinalityMin">
          <valueInteger value="0"/>
        </extension>
        <extension url="cardinalityMax">
          <valueInteger value="1"/>
        </extension>
      </extension>
      <code value="CX.2"/>
      <display value="Identifier Check Digit"/>
      <target>
        <extension
                   url="http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo">
          <extension url="type">
            <valueCode value="uri"/>
          </extension>
          <extension url="cardinalityMin">
            <valueInteger value="1"/>
          </extension>
          <extension url="cardinalityMax">
            <valueInteger value="1"/>
          </extension>
          <extension url="assignment">
            <valueString
                         value="&quot;http://hl7.org/fhir/StructureDefinition/identifier-checkDigit&quot;"/>
          </extension>
        </extension>
        <code value="extension[1].url"/>
        <display value="extension[1].url"/>
        <equivalence value="equivalent"/>
      </target>
    </element>
    <element>
      <extension
                 url="http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo">
        <extension url="type">
          <valueCode value="ST"/>
        </extension>
        <extension url="cardinalityMin">
          <valueInteger value="0"/>
        </extension>
        <extension url="cardinalityMax">
          <valueInteger value="1"/>
        </extension>
      </extension>
      <code value="CX.2"/>
      <display value="Identifier Check Digit"/>
      <target>
        <extension
                   url="http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo">
          <extension url="type">
            <valueCode value="string"/>
          </extension>
          <extension url="cardinalityMin">
            <valueInteger value="1"/>
          </extension>
          <extension url="cardinalityMax">
            <valueInteger value="1"/>
          </extension>
        </extension>
        <code value="extension[1].valueString"/>
        <display value="extension[1].valueString"/>
        <equivalence value="equivalent"/>
      </target>
    </element>
    <element>
      <extension
                 url="http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo">
        <extension url="type">
          <valueCode value="ID"/>
        </extension>
        <extension url="cardinalityMin">
          <valueInteger value="0"/>
        </extension>
        <extension url="cardinalityMax">
          <valueInteger value="1"/>
        </extension>
      </extension>
      <code value="CX.3"/>
      <display value="Check Digit Scheme"/>
      <target>
        <extension
                   url="http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo">
          <extension url="type">
            <valueCode value="uri"/>
          </extension>
          <extension url="cardinalityMin">
            <valueInteger value="1"/>
          </extension>
          <extension url="cardinalityMax">
            <valueInteger value="1"/>
          </extension>
          <extension url="assignment">
            <valueString
                         value="&quot;http://hl7.org/fhir/StructureDefinition/namingsystem-checkDigit&quot;"/>
          </extension>
        </extension>
        <code value="extension[2].url"/>
        <display value="extension[2].url"/>
        <equivalence value="equivalent"/>
      </target>
    </element>
    <element>
      <extension
                 url="http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo">
        <extension url="type">
          <valueCode value="ID"/>
        </extension>
        <extension url="cardinalityMin">
          <valueInteger value="0"/>
        </extension>
        <extension url="cardinalityMax">
          <valueInteger value="1"/>
        </extension>
      </extension>
      <code value="CX.3"/>
      <display value="Check Digit Scheme"/>
      <target>
        <extension
                   url="http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo">
          <extension url="type">
            <valueCode value="string"/>
          </extension>
          <extension url="cardinalityMin">
            <valueInteger value="1"/>
          </extension>
          <extension url="cardinalityMax">
            <valueInteger value="1"/>
          </extension>
        </extension>
        <code value="extension[2].valueString"/>
        <display value="extension[2].valueString"/>
        <equivalence value="equivalent"/>
      </target>
    </element>
    <element>
      <extension
                 url="http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo">
        <extension url="type">
          <valueCode value="HD"/>
        </extension>
        <extension url="cardinalityMin">
          <valueInteger value="0"/>
        </extension>
        <extension url="cardinalityMax">
          <valueInteger value="1"/>
        </extension>
      </extension>
      <code value="CX.4"/>
      <display value="Assigning Authority"/>
      <target>
        <extension
                   url="http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo">
          <extension url="type">
            <valueCode value="Reference(Organization)"/>
          </extension>
          <extension url="cardinalityMin">
            <valueInteger value="1"/>
          </extension>
          <extension url="cardinalityMax">
            <valueInteger value="1"/>
          </extension>
        </extension>
        <code value="assigner(Organization)"/>
        <display value="assigner(Organization)"/>
        <equivalence value="equivalent"/>
        <dependsOn>
          <property value="Narrative-Condition"/>
          <value
                 value="If not in http://hl7.org/implement/standards/fhir/identifier-registry.html then determine whether organization or system"/>
        </dependsOn>
      </target>
    </element>
    <element>
      <extension
                 url="http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo">
        <extension url="type">
          <valueCode value="HD"/>
        </extension>
        <extension url="cardinalityMin">
          <valueInteger value="0"/>
        </extension>
        <extension url="cardinalityMax">
          <valueInteger value="1"/>
        </extension>
      </extension>
      <code value="CX.4"/>
      <display value="Assigning Authority"/>
      <target>
        <extension
                   url="http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo">
          <extension url="type">
            <valueCode value="uri"/>
          </extension>
          <extension url="cardinalityMin">
            <valueInteger value="1"/>
          </extension>
          <extension url="cardinalityMax">
            <valueInteger value="1"/>
          </extension>
        </extension>
        <code value="system"/>
        <display value="system"/>
        <equivalence value="equivalent"/>
        <comment
                 value="Typically the assigning authority reflects an organization, but if it is an actual system (EHR 1 vs. EHR 2, both supporting the same organization where one cannot get more specific), then CX.4 should be mapped to .system"/>
        <dependsOn>
          <property value="Computable-ANTLR"/>
          <value
                 value="IF CX.4 IN http://hl7.org/implement/standards/fhir/identifier-registry.html"/>
        </dependsOn>
      </target>
    </element>
    <element>
      <extension
                 url="http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo">
        <extension url="type">
          <valueCode value="ID"/>
        </extension>
        <extension url="cardinalityMin">
          <valueInteger value="1"/>
        </extension>
        <extension url="cardinalityMax">
          <valueInteger value="1"/>
        </extension>
      </extension>
      <code value="CX.5"/>
      <display value="Identifier Type Code"/>
      <target>
        <extension
                   url="http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo">
          <extension url="type">
            <valueCode value="code"/>
          </extension>
          <extension url="cardinalityMin">
            <valueInteger value="1"/>
          </extension>
          <extension url="cardinalityMax">
            <valueInteger value="1"/>
          </extension>
          <extension url="mappedVia">
            <valueUrl value="ConceptMap/table-hl70203-to-v2-0203"/>
          </extension>
        </extension>
        <code value="type.coding.code"/>
        <display value="type.coding.code"/>
        <equivalence value="equivalent"/>
      </target>
    </element>
    <element>
      <extension
                 url="http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo">
        <extension url="type">
          <valueCode value="DT"/>
        </extension>
        <extension url="cardinalityMin">
          <valueInteger value="0"/>
        </extension>
        <extension url="cardinalityMax">
          <valueInteger value="1"/>
        </extension>
      </extension>
      <code value="CX.7"/>
      <display value="Effective Date"/>
      <target>
        <extension
                   url="http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo">
          <extension url="type">
            <valueCode value="dateTime"/>
          </extension>
          <extension url="cardinalityMin">
            <valueInteger value="1"/>
          </extension>
          <extension url="cardinalityMax">
            <valueInteger value="1"/>
          </extension>
        </extension>
        <code value="period.start"/>
        <display value="period.start"/>
        <equivalence value="equivalent"/>
      </target>
    </element>
    <element>
      <extension
                 url="http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo">
        <extension url="type">
          <valueCode value="DT"/>
        </extension>
        <extension url="cardinalityMin">
          <valueInteger value="0"/>
        </extension>
        <extension url="cardinalityMax">
          <valueInteger value="1"/>
        </extension>
      </extension>
      <code value="CX.8"/>
      <display value="Expiration Date"/>
      <target>
        <extension
                   url="http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo">
          <extension url="type">
            <valueCode value="dateTime"/>
          </extension>
          <extension url="cardinalityMin">
            <valueInteger value="1"/>
          </extension>
          <extension url="cardinalityMax">
            <valueInteger value="1"/>
          </extension>
        </extension>
        <code value="period.end"/>
        <display value="period.end"/>
        <equivalence value="equivalent"/>
      </target>
    </element>
  </group>
</ConceptMap>