<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="blood-pressure-observation" />
  <url value="https://example.org/fhir/StructureDefinition/BloodPressureObservation" />
  <name value="BloodPressureObservation" />
  <status value="draft" />
  <description value="血壓測量 Observation Profile，遵循 LOINC 標準" />
  <fhirVersion value="4.0.1" />
  <kind value="resource" />
  <abstract value="false" />
  <type value="Observation" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Observation" />
  <derivation value="constraint" />
  <differential>
    <element id="Observation.code">
      <path value="Observation.code" />
      <definition value="此測量為血壓監測，LOINC 代碼 85354-9" />
    </element>
    <element id="Observation.code.coding.system">
      <path value="Observation.code.coding.system" />
      <code>
        <system value="http://loinc.org" />
        <code value="85354-9" />
        <display value="Blood pressure panel" />
      </code>
    </element>
    <element id="Observation.subject">
      <path value="Observation.subject" />
      <short value="病人" />
      <definition value="此觀察的主體為病人。" />
      <min value="1" />
      <type>
        <code value="Reference" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Patient" />
      </type>
    </element>
  </differential>
</StructureDefinition>