<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="29ba9f87-e4ac-4f46-a5b4-d6c76b99dea5" />
  <meta>
    <lastUpdated value="2021-10-21T13:01:10.540+00:00" />
  </meta>
  <url value="http://nccn.info/fhir/StructureDefinition/PhaseExtension" />
  <name value="NCCNPhaseExtension" />
  <status value="draft" />
  <date value="2021-10-21T12:16:09.5019284Z" />
  <fhirVersion value="4.0.1" />
  <kind value="complex-type" />
  <abstract value="false" />
  <context>
    <type value="element" />
    <expression value="Questionnaire.item" />
  </context>
  <context>
    <type value="element" />
    <expression value="Questionnaire.item.item" />
  </context>
  <type value="Extension" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" />
  <derivation value="constraint" />
  <differential>
    <element id="Extension">
      <path value="Extension" />
      <short value="Phase" />
      <definition value="&lt;TBD By NCCN&gt;" />
      <max value="1" />
    </element>
    <element id="Extension.url">
      <path value="Extension.url" />
      <fixedUri value="http://nccn.info/fhir/StructureDefinition/PhaseExtension" />
    </element>
    <element id="Extension.value[x]">
      <path value="Extension.value[x]" />
      <short value="Phase" />
      <definition value="&lt;TBD By NCCN&gt;" />
      <comment value="-" />
      <min value="1" />
      <type>
        <code value="code" />
      </type>
      <binding>
        <strength value="required" />
        <description value="Distinguishes the NCCN phases" />
        <valueSet value="http://nccn.org/fhir/ValueSet/Phase" />
      </binding>
    </element>
  </differential>
</StructureDefinition>