<StructureDefinition xmlns="http://hl7.org/fhir">
  <url value="https://cloudconnect.cognisantmd.com/fhir/StructureDefinition/DocumentReference" />
  <name value="DocumentReference" />
  <status value="draft" />
  <description value="The DocumentReference endpoint is used by Ocean to upload clinical and administrative notes. The resource is also returned in the integrated system's $everything operation to provide Ocean with pre-selected chart attachments. Like other resources in this project, it should extend the Canadian baseline whenever a base profile is available: https://build.fhir.org/ig/HL7-Canada/ca-baseline/StructureDefinition-profile-documentreference" />
  <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.id">
      <path value="DocumentReference.id" />
      <min value="1" />
      <max value="1" />
    </element>
    <element id="DocumentReference.status">
      <path value="DocumentReference.status" />
      <fixedCode value="current" />
    </element>
    <element id="DocumentReference.type">
      <path value="DocumentReference.type" />
      <min value="0" />
    </element>
    <element id="DocumentReference.type.coding">
      <path value="DocumentReference.type.coding" />
      <min value="0" />
    </element>
    <element id="DocumentReference.type.coding.system">
      <path value="DocumentReference.type.coding.system" />
      <comment value="For Ocean-generated notes: http://hl7.org/fhir/ValueSet/doc-typecodes" />
      <min value="0" />
    </element>
    <element id="DocumentReference.type.coding.code">
      <path value="DocumentReference.type.coding.code" />
      <comment value="For Ocean-generated notes: 74465-6 (Questionnaire response), 11488-4 (Consult note), 51855-5 (Patient note), 69730-0 (Instructions) or 34133-9 (Summary of episode note) are used." />
      <min value="1" />
    </element>
    <element id="DocumentReference.category">
      <path value="DocumentReference.category" />
      <min value="1" />
    </element>
    <element id="DocumentReference.category.coding">
      <path value="DocumentReference.category.coding" />
      <min value="1" />
    </element>
    <element id="DocumentReference.category.coding.system">
      <path value="DocumentReference.category.coding.system" />
      <comment value="For Ocean-generated notes: http://hl7.org/fhir/ValueSet/doc-classcodes" />
      <min value="1" />
    </element>
    <element id="DocumentReference.category.coding.code">
      <path value="DocumentReference.category.coding.code" />
      <comment value="For Ocean-generated notes: 34109-9" />
      <min value="1" />
    </element>
    <element id="DocumentReference.category.coding.display">
      <path value="DocumentReference.category.coding.display" />
      <comment value="For Ocean-generated notes: 'Note" />
      <min value="1" />
    </element>
    <element id="DocumentReference.subject">
      <path value="DocumentReference.subject" />
      <type>
        <code value="Reference" />
        <targetProfile value="http://hl7.org/fhir/ca/baseline/StructureDefinition/Patient" />
        <aggregation value="referenced" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="DocumentReference.subject.reference">
      <path value="DocumentReference.subject.reference" />
      <min value="1" />
    </element>
    <element id="DocumentReference.date">
      <path value="DocumentReference.date" />
      <min value="1" />
    </element>
    <element id="DocumentReference.content">
      <path value="DocumentReference.content" />
      <mustSupport value="true" />
    </element>
    <element id="DocumentReference.content.format">
      <path value="DocumentReference.content.format" />
      <max value="0" />
    </element>
    <element id="DocumentReference.content.attachment">
      <path value="DocumentReference.content.attachment" />
      <min value="1" />
      <max value="1" />
    </element>
    <element id="DocumentReference.content.attachment.title">
      <path value="DocumentReference.content.attachment.title" />
      <definition value="The file name for the attachment, with a mandatory supported file extension. Valid extensions include but may not be limited to: 'jpg', 'jpeg', 'png', 'tiff', 'tif', 'bmp', 'mp3', 'mp4', 'txt', 'pdf', 'mov', 'avi'" />
      <min value="1" />
      <max value="1" />
    </element>
    <element id="DocumentReference.content.attachment.data">
      <path value="DocumentReference.content.attachment.data" />
      <definition value="The attachment binary data should be at most 10 MB in length; otherwise it may not be processed for performance reasons." />
      <min value="1" />
      <max value="1" />
      <mustSupport value="true" />
    </element>
    <element id="DocumentReference.content.attachment.data.contentType">
      <path value="DocumentReference.content.attachment.data.contentType" />
      <definition value="Read and write support is required for 'application/pdf' and 'text/plain'" />
      <min value="1" />
      <max value="1" />
    </element>
  </differential>
</StructureDefinition>