<Observation xmlns="http://hl7.org/fhir">
  <id value="s4h-blood-group-observation-example" />
  <meta>
    <profile value="http://fhir.smart4health.eu/StructureDefinition/s4h-observation-base" />
  </meta>
  <status value="final" />
  <category>
    <coding>
      <system value="http://terminology.hl7.org/CodeSystem/observation-category" />
      <code value="laboratory" />
      <display value="Laboratory" />
    </coding>
    <text value="Laboratory" />
  </category>
  <code>
    <coding>
      <system value="http://loinc.org" />
      <code value="883-9" />
      <display value="ABO group [Type] in Blood" />
    </coding>
    <text value="Blood group" />
  </code>
  <subject>
    <display value="Marie Lux-Brennard" />
  </subject>
  <effectiveDateTime value="2019-09-17" />
  <performer>
    <identifier>
      <use value="official" />
      <system value="http://fhir.de/NamingSystem/kbv/lanr" />
      <value value="123456701" />
    </identifier>
    <display value="Dr. Schmidt" />
  </performer>
  <valueCodeableConcept>
    <coding>
      <system value="http://loinc.org" />
      <code value="LA19710-5" />
      <display value="Group A" />
    </coding>
    <text value="Group A" />
  </valueCodeableConcept>
</Observation>