<Observation xmlns="http://hl7.org/fhir">
  <id value="example-foetale-hartslag" />
  <meta>
    <profile value="http://fhir.nl/fhir/StructureDefinition/nl-core-observation" />
    <profile value="http://nictiz.nl/fhir/StructureDefinition/bc-FetusObservation" />
  </meta>
  <extension url="http://nictiz.nl/fhir/StructureDefinition/observation-focusSTU3">
    <valueReference>
      <reference value="BodySite/fetusA" />
    </valueReference>
  </extension>
  <status value="final" />
  <code>
    <coding>
      <system value="http://snomed.info/sct" />
      <code value="249043002" />
      <display value="foetale hartfrequentie (waarneembare entiteit)" />
    </coding>
  </code>
  <subject>
    <reference value="Patient/EXAMPLE" />
    <display value="example" />
  </subject>
  <context>
    <reference value="EpisodeOfCare/Zwangerschapsdossier" />
  </context>
  <effectiveDateTime value="2020-04-15" />
  <valueQuantity>
    <value value="120" />
    <unit value="min" />
    <system value="http://unitsofmeasure.org" />
    <code value="min" />
  </valueQuantity>
  <interpretation>
    <coding>
      <system value="http://snomed.info/sct" />
      <code value="278084002" />
      <display value="normale basishartfrequentie van foetus (bevinding)" />
    </coding>
  </interpretation>
  <comment value="Regelmatig hartritme" />
  <method>
    <coding>
      <system value="http://snomed.info/sct" />
      <code value="408806008" />
      <display value="monitoren van foetale hart met handdoppler (regime/therapie)" />
    </coding>
  </method>
  <component>
    <code>
      <coding>
        <system value="http://snomed.info/sct" />
        <code value="249044008" />
        <display value="foetaal hartritme (waarneembare entiteit)" />
      </coding>
    </code>
    <valueCodeableConcept>
      <coding>
        <system value="http://snomed.info/sct" />
        <code value="289443009" />
        <display value="regelmatig hartritme van foetus (bevinding)" />
      </coding>
    </valueCodeableConcept>
  </component>
</Observation>