<Observation xmlns="http://hl7.org/fhir">
  <status value="final" />
  <category>
    <coding>
      <system value="http://terminology.hl7.org/CodeSystem/observation-category" />
      <code value="vital-signs" />
    </coding>
  </category>
  <code>
    <coding>
      <system value="http://loinc.org" />
      <code value="85354-9" />
      <display value="Blood pressure example" />
    </coding>
  </code>
  <subject>
    <identifier>
      <system value="urn:oid:1.2.246.21" />
      <value value="010101-123N" />
    </identifier>
  </subject>
  <effectiveDateTime value="2022-05-17T11:46:00+02:00" />
  <device>
    <extension url="DeviceVersion">
      <valueString value="Omron" />
    </extension>
    <extension url="lastSyncTime">
      <valueDateTime value="2022-05-17T10:00:00+02:00" />
    </extension>
  </device>
  <component>
    <code>
      <coding>
        <system value="http://loinc.org" />
        <code value="8480-6" />
        <display value="Systolic blood pressure" />
      </coding>
    </code>
    <valueQuantity>
      <value value="95" />
      <unit value="mm[Hg]" />
      <system value="http://unitsofmeasure.org" />
      <code value="mm[Hg]" />
    </valueQuantity>
  </component>
  <component>
    <code>
      <coding>
        <system value="http://loinc.org" />
        <code value="8462-4" />
        <display value="Diastolic blood pressure" />
      </coding>
    </code>
    <valueQuantity>
      <value value="65" />
      <unit value="mm[Hg]" />
      <system value="http://unitsofmeasure.org" />
      <code value="mm[Hg]" />
    </valueQuantity>
  </component>
</Observation>