<StructureDefinition xmlns="http://hl7.org/fhir">
  <meta>
    <lastUpdated value="2021-11-02T01:15:35.548+00:00" />
  </meta>
  <url value="http://hl7.org/fhir/StructureDefinition/iso21090-ADXP" />
  <name value="AddressLineExtension" />
  <status value="draft" />
  <fhirVersion value="4.0.1" />
  <kind value="complex-type" />
  <abstract value="false" />
  <context>
    <type value="element" />
    <expression value="Patient.address.line" />
  </context>
  <type value="Extension" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" />
  <derivation value="constraint" />
  <differential>
    <element id="Extension">
      <path value="Extension" />
      <comment value="See Mappings" />
      <max value="1" />
      <mapping>
        <identity value="houseNumber" />
        <map value="http://hl7.org/fhir/StructureDefinition/iso21090-ADXP-houseNumber" />
      </mapping>
      <mapping>
        <identity value="streetName" />
        <map value="http://hl7.org/fhir/StructureDefinition/iso21090-ADXP-streetName" />
      </mapping>
      <mapping>
        <identity value="streetNameType" />
        <map value="http://hl7.org/fhir/StructureDefinition/iso21090-ADXP-streetNameType" />
      </mapping>
      <mapping>
        <identity value="direction" />
        <map value="http://hl7.org/fhir/StructureDefinition/iso21090-ADXP-direction" />
      </mapping>
      <mapping>
        <identity value="unitID" />
        <map value="http://hl7.org/fhir/StructureDefinition/iso21090-ADXP-unitID" />
      </mapping>
    </element>
    <element id="Extension.id">
      <path value="Extension.id" />
      <max value="0" />
    </element>
    <element id="Extension.url">
      <path value="Extension.url" />
      <fixedUri value="http://hl7.org/fhir/StructureDefinition/iso21090-ADXP" />
    </element>
    <element id="Extension.value[x]">
      <path value="Extension.value[x]" />
      <type>
        <code value="string" />
      </type>
    </element>
  </differential>
</StructureDefinition>