<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="CA-eReC-DocumentReference" />
  <url value="http://fhir.infoway-inforoute.ca/io/CA-eReC/StructureDefinition/CA-eReC-DocumentReference" />
  <name value="DocumentReference" />
  <status value="draft" />
  <description value="A reference to a document of any kind for any purpose. While the term “document” implies a more narrow focus, for this resource this &quot;document&quot; encompasses any serialized object with a mime-type, it includes formal patient-centric documents (CDA), clinical notes, scanned paper, non-patient specific documents like policy text, as well as a photo, video, or audio recording acquired or used in healthcare. The DocumentReference resource provides metadata about the document so that the document can be discovered and managed. The actual content may be inline base64 encoded data or provided by direct reference." />
  <fhirVersion value="4.0.1" />
  <kind value="resource" />
  <abstract value="false" />
  <type value="DocumentReference" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/DocumentReference" />
  <derivation value="constraint" />
  <differential>
    <element id="DocumentReference.identifier">
      <path value="DocumentReference.identifier" />
      <mustSupport value="true" />
    </element>
    <element id="DocumentReference.identifier.system">
      <path value="DocumentReference.identifier.system" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="DocumentReference.identifier.value">
      <path value="DocumentReference.identifier.value" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="DocumentReference.status">
      <path value="DocumentReference.status" />
      <patternCode value="current" />
      <mustSupport value="true" />
    </element>
    <element id="DocumentReference.type">
      <path value="DocumentReference.type" />
      <mustSupport value="true" />
    </element>
    <element id="DocumentReference.subject">
      <path value="DocumentReference.subject" />
      <type>
        <code value="Reference" />
        <targetProfile value="http://fhir.infoway-inforoute.ca/io/CA-eReC/StructureDefinition/CA-eReC-Patient" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="DocumentReference.subject.reference">
      <path value="DocumentReference.subject.reference" />
      <mustSupport value="true" />
    </element>
    <element id="DocumentReference.subject.identifier">
      <path value="DocumentReference.subject.identifier" />
      <mustSupport value="true" />
    </element>
    <element id="DocumentReference.subject.identifier.system">
      <path value="DocumentReference.subject.identifier.system" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="DocumentReference.subject.identifier.value">
      <path value="DocumentReference.subject.identifier.value" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="DocumentReference.date">
      <path value="DocumentReference.date" />
      <mustSupport value="true" />
    </element>
    <element id="DocumentReference.author">
      <path value="DocumentReference.author" />
      <type>
        <code value="Reference" />
        <targetProfile value="http://fhir.infoway-inforoute.ca/io/CA-eReC/StructureDefinition/CA-eReC-Practitioner" />
        <targetProfile value="http://fhir.infoway-inforoute.ca/io/CA-eReC/StructureDefinition/CA-eReC-PractitionerRole" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="DocumentReference.author.reference">
      <path value="DocumentReference.author.reference" />
      <mustSupport value="true" />
    </element>
    <element id="DocumentReference.author.identifier">
      <path value="DocumentReference.author.identifier" />
      <mustSupport value="true" />
    </element>
    <element id="DocumentReference.author.identifier.system">
      <path value="DocumentReference.author.identifier.system" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="DocumentReference.author.identifier.value">
      <path value="DocumentReference.author.identifier.value" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="DocumentReference.content">
      <path value="DocumentReference.content" />
      <mustSupport value="true" />
    </element>
    <element id="DocumentReference.content.attachment">
      <path value="DocumentReference.content.attachment" />
      <mustSupport value="true" />
    </element>
    <element id="DocumentReference.context">
      <path value="DocumentReference.context" />
      <min value="1" />
      <max value="1" />
      <mustSupport value="true" />
    </element>
    <element id="DocumentReference.context.related">
      <path value="DocumentReference.context.related" />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="Reference" />
        <targetProfile value="http://fhir.infoway-inforoute.ca/io/CA-eReC/StructureDefinition/CA-eReC-ServiceRequest" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="DocumentReference.context.related.reference">
      <path value="DocumentReference.context.related.reference" />
      <mustSupport value="true" />
    </element>
    <element id="DocumentReference.context.related.identifier">
      <path value="DocumentReference.context.related.identifier" />
      <mustSupport value="true" />
    </element>
    <element id="DocumentReference.context.related.identifier.system">
      <path value="DocumentReference.context.related.identifier.system" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="DocumentReference.context.related.identifier.value">
      <path value="DocumentReference.context.related.identifier.value" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
  </differential>
</StructureDefinition>