<Observation xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://hl7.org/fhir" xmlns:xhtml="http://www.w3.org/1999/xhtml">
  <id value="Observation-Histologie-example-1" />
  <meta>
    <profile value="http://dktk.dkfz.de/fhir/StructureDefinition/onco-core-Observation-Histologie" />
  </meta>
  <status value="final" />
  <code>
    <coding>
      <system value="http://loinc.org" />
      <code value="59847-4" />
    </coding>
  </code>
  <subject>
    <reference value="Patient/Patient-Patient-example-1" />
  </subject>
  <encounter>
    <reference value="Encounter/Encounter-Fall-example-1" />
  </encounter>
  <effectiveDateTime value="2018-01-01" />
  <!-- @TODO  System vielleicht als FixeValue im Profil?-->
  <valueCodeableConcept>
    <coding>
      <system value="urn:oid:2.16.840.1.113883.6.43.1" />
      <version value="32" />
      <code value="8140/3" />
    </coding>
  </valueCodeableConcept>
  <specimen>
    <reference value="Specimen/Specimen-Specimen-example-1" />
  </specimen>
  <hasMember>
    <reference value="Observation/Observation-Grading-example-1" />
  </hasMember>
</Observation>