<Observation xmlns="http://hl7.org/fhir">
  <id value="rdc-Observation-carbs2" />
  <meta>
    <profile value="https://roche.com/fhir/iop/StructureDefinition/rdc-Observation-CarbohydrateIntake" />
  </meta>
  <status value="final" />
  <code>
    <coding>
      <system value="http://loinc.org" />
      <code value="9059-7" />
      <display value="Carbohydrate intake Estimated" />
    </coding>
  </code>
  <subject>
    <reference value="Patient/34605fdc-74aa-4587-a5f0-92e6c5f64527" />
  </subject>
  <effectiveDateTime value="2017-10-03T06:32:00+01:00" />
  <valueQuantity>
    <value value="10" />
    <unit value="g" />
    <system value="http://unitsofmeasure.org" />
    <code value="g" />
  </valueQuantity>
  <device>
    <reference value="Device/8954c958-41c5-4a24-82ef-693218c2f625" />
  </device>
</Observation>