<StructureDefinition xmlns="http://hl7.org/fhir">
  <url value="https://example.org/fhir/StructureDefinition/OvetPatient" />
  <name value="OvetPatient" />
  <status value="draft" />
  <fhirVersion value="4.0.1" />
  <kind value="resource" />
  <abstract value="false" />
  <type value="Patient" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Patient" />
  <derivation value="constraint" />
  <differential>
    <element id="Patient">
      <path value="Patient" />
      <short value="Information about an animal receiving health care services" />
      <definition value="Demographics and other administrative information about an animal receiving care or other health-related services." />
    </element>
    <element id="Patient.extension">
      <path value="Patient.extension" />
      <mustSupport value="true" />
    </element>
    <element id="Patient.extension:animal">
      <path value="Patient.extension" />
      <sliceName value="animal" />
      <type>
        <code value="Extension" />
        <profile value="http://hl7.org/fhir/StructureDefinition/patient-animal" />
      </type>
      <isModifier value="false" />
    </element>
    <element id="Patient.extension:animal.extension">
      <path value="Patient.extension.extension" />
      <min value="1" />
    </element>
    <element id="Patient.identifier">
      <path value="Patient.identifier" />
      <definition value="An identifier for this patient: Could be a: &#xD;&#xA;- colar id&#xD;&#xA;- electronic health record from a specific vet clinic&#xD;&#xA;- etc" />
      <example>
        <label value="usual" />
        <valueIdentifier>
          <use value="usual" />
          <value value="Fido" />
        </valueIdentifier>
      </example>
    </element>
    <element id="Patient.link.other">
      <path value="Patient.link.other" />
      <type>
        <code value="Reference" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/RelatedPerson" />
      </type>
      <mustSupport value="true" />
    </element>
  </differential>
</StructureDefinition>