<Observation xmlns="http://hl7.org/fhir">
  <id value="exampleOfAHospitalResourceWithSomeCoding" />
  <meta>
    <versionId value="2" />
    <lastUpdated value="2017-10-02T13:13:51.356-04:00" />
    <profile value="http://AAUprofiles/StructureDefinition/DAS28Observation" />
  </meta>
  <status value="final" />
  <code>
    <coding>
      <system value="http://snomed.info/sct" />
      <code value="444060007" />
      <display value="Disease activity score in rheumatoid arthritis using C-reactive protein (observable entity)" />
    </coding>
  </code>
  <subject>
    <reference value="Patient/example" />
  </subject>
  <effectiveDateTime value="2016-05-18T22:33:22Z" />
  <performer>
    <reference value="Practitioner/example" />
  </performer>
  <valueQuantity>
    <value value="0" />
    <system value="http://unitsofmeasure.org" />
  </valueQuantity>
  <component>
    <code>
      <coding>
        <system value="http://snomed.info/sct" />
        <code value="55235003" />
        <display value="C-reactive protein measurement" />
      </coding>
    </code>
    <valueQuantity>
      <value value="0" />
      <system value="http://unitsofmeasure.org" />
    </valueQuantity>
  </component>
  <component>
    <code>
      <coding>
        <system value="http://snomed.info/sct" />
        <code value="446661009" />
        <display value="Visual analog scale score" />
      </coding>
    </code>
  </component>
  <component>
    <code>
      <coding>
        <system value="http://snomed.info/sct" />
        <code value="442687006" />
        <display value="Visual analog scale score" />
      </coding>
    </code>
  </component>
  <component>
    <code>
      <coding>
        <system value="http://snomed.info/sct" />
        <code value="442736000" />
        <display value="Visual analog scale score" />
      </coding>
    </code>
  </component>
</Observation>