<Observation xmlns="http://hl7.org/fhir">
  <id value="MyTestingInstanceForValueset" />
  <meta>
    <profile value="http://example.org/fhir/StructureDefinition/MyObservation" />
  </meta>
  <status value="final" />
  <code>
    <coding>
      <system value="http://snomed.info.sct" />
      <code value="1234567" />
    </coding>
  </code>
  <valueQuantity>
    <system value="http://unitsofmeasure.org" />
    <value value="2.0" />
    <code value="kg/m3" />
  </valueQuantity>
</Observation>