<Observation xmlns="http://hl7.org/fhir">
  <meta>
    <profile value="http://phr.kanta.fi/StructureDefinition/fiphr-pef-stu3" />
  </meta>
  <language value="en" />
  <text>
    <status value="extensions" />
    <div xmlns="http://www.w3.org/1999/xhtml">Code: Maximum expiratory gas flow Respiratory system airway by Peak flow meter (19935-6)<br />Time: 20.11.2017 11:46<br />Result: 610 L/min<br />Medication context: After medication (2)<br />Active symptoms: true</div>
  </text>
  <extension url="http://phr.kanta.fi/StructureDefinition/fiphr-boolean">
    <valueBoolean value="true" />
  </extension>
  <extension url="http://phr.kanta.fi/StructureDefinition/fiphr-medicationcontext">
    <valueCodeableConcept>
      <coding>
        <system value="http://phr.kanta.fi/fiphr-cs-medicationcontext" />
        <code value="2" />
        <display value="After medication" />
      </coding>
    </valueCodeableConcept>
  </extension>
  <identifier>
    <system value="urn:ietf:rfc:3986" />
    <value value="urn:uuid:103ed5ce-2e9d-4a8e-bc15-e386119bf5ec" />
  </identifier>
  <status value="final" />
  <category>
    <coding>
      <system value="http://hl7.org/fhir/observation-category" />
      <code value="vital-signs" />
    </coding>
  </category>
  <code>
    <coding>
      <system value="http://loinc.org" />
      <code value="19935-6" />
      <display value="Maximum expiratory gas flow Respiratory system airway by Peak flow meter" />
    </coding>
  </code>
  <subject>
    <reference value="Patient/25a53703-27f9-4354-8f1b-a8b2f8f3ee86" />
  </subject>
  <effectiveDateTime value="2017-11-20T11:46:00+02:00" />
  <issued value="2017-11-20T11:46:00+02:00" />
  <performer>
    <reference value="Patient/25a53703-27f9-4354-8f1b-a8b2f8f3ee86" />
  </performer>
  <valueQuantity>
    <value value="590" />
    <unit value="L/min" />
    <system value="http://unitsofmeasure.org" />
    <code value="L/min" />
  </valueQuantity>
</Observation>