<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="codesystem-subsumes" />
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
    <valueCode value="vocab" />
  </extension>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm">
    <valueInteger value="1" />
  </extension>
  <url value="http://hl7.org/fhir/StructureDefinition/codesystem-subsumes" />
  <name value="subsumes" />
  <title value="Subsumes" />
  <status value="draft" />
  <date value="2017-04-19T07:44:43+10:00" />
  <publisher value="HL7" />
  <description value="Refers to another code defined within the code system that is also subsumed by this code. I.e. This concept subsumes the referenced concept.  Because meaning is inferred from hierarchy as well as definition, the presence of this extension modifies the meaning of the extended concept." />
  <fhirVersion value="3.0.1" />
  <mapping>
    <identity value="rim" />
    <uri value="http://hl7.org/v3" />
    <name value="RIM Mapping" />
  </mapping>
  <kind value="complex-type" />
  <abstract value="false" />
  <contextType value="resource" />
  <context value="CodeSystem.concept" />
  <type value="Extension" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" />
  <derivation value="constraint" />
  <differential>
    <element id="Extension">
      <path value="Extension" />
      <short value="Codes that this concept subsumes that have already been declared elsewhere" />
      <definition value="Refers to another code defined within the code system that is also subsumed by this code. I.e. This concept subsumes the referenced concept.  Because meaning is inferred from hierarchy as well as definition, the presence of this extension modifies the meaning of the extended concept." />
      <min value="0" />
      <max value="*" />
      <isModifier value="true" />
    </element>
    <element id="Extension.extension">
      <path value="Extension.extension" />
      <max value="0" />
    </element>
    <element id="Extension.url">
      <path value="Extension.url" />
      <type>
        <code value="uri" />
      </type>
      <fixedUri value="http://hl7.org/fhir/StructureDefinition/codesystem-subsumes" />
    </element>
    <element id="Extension.valueCode">
      <path value="Extension.valueCode" />
      <type>
        <code value="code" />
      </type>
    </element>
  </differential>
</StructureDefinition>