<Observation xmlns="http://hl7.org/fhir">
  <id value="ExampleISiKLaboruntersuchungGFR1" />
  <meta>
    <profile value="https://gematik.de/fhir/isik/StructureDefinition/ISiKLaboruntersuchungGFR" />
  </meta>
  <status value="final" />
  <category>
    <coding>
      <system value="http://terminology.hl7.org/CodeSystem/observation-category" />
      <code value="laboratory" />
    </coding>
  </category>
  <code>
    <coding>
      <system value="http://loinc.org" />
      <code value="98980-6" />
    </coding>
    <coding>
      <system value="http://snomed.info/sct" />
      <code value="80274001" />
      <display value="Glomerular filtration rate" />
    </coding>
  </code>
  <subject>
    <reference value="Patient/PatientinMusterfrau" />
  </subject>
  <effectiveDateTime value="2021-09-01T12:00:00Z" />
  <performer>
    <reference value="Practitioner/PractitionerWalterArzt" />
  </performer>
  <valueQuantity>
    <value value="100" />
    <unit value="milliliter pro Minute pro Körperoberfläche von 1,73 m2" />
    <system value="http://unitsofmeasure.org" />
    <code value="mL/min/(1.73)" />
  </valueQuantity>
  <referenceRange>
    <high>
      <value value="100" />
      <unit value="milliliter pro Minute pro Körperoberfläche von 1,73 m2" />
      <system value="http://unitsofmeasure.org" />
      <code value="mL/min/(1.73)" />
    </high>
  </referenceRange>
</Observation>