<?xml version="1.0" encoding="UTF-8"?><Observation xmlns="http://hl7.org/fhir">
  <id value="map-sitting"/>
  <meta>
    <security>
      <system value="http://terminology.hl7.org/CodeSystem/v3-ActReason"/>
      <code value="HTEST"/>
      <display value="test health data"/>
    </security>
  </meta>
  <status value="final"/>
  <category>
    <coding>
      <system value="http://terminology.hl7.org/CodeSystem/observation-category"/>
      <code value="laboratory"/>
      <display value="Laboratory"/>
    </coding>
  </category>
  <code>
    <coding>
      <system value="http://loinc.org"/>
      <code value="8478-0"/>
      <display value="Mean blood pressure"/>
    </coding>
  </code>
  <subject>
    <reference value="Patient/example"/>
  </subject>
  <encounter>
    <reference value="Encounter/example"/>
  </encounter>
  <effectivePeriod>
    <start value="2018-04-02T10:30:10+01:00"/>
    <end value="2018-04-05T10:30:10+01:00"/>
  </effectivePeriod>
  <issued value="2018-04-03T15:30:10+01:00"/>
  <valueQuantity>
    <value value="60"/>
    <unit value="mm Hg"/>
    <system value="http://unitsofmeasure.org"/>
    <code value="mm[Hg]"/>
  </valueQuantity>
  <interpretation>
    <coding>
      <system value="http://terminology.hl7.org/CodeSystem/v2-0078"/>
      <code value="L"/>
      <display value="Low"/>
    </coding>
    <text value="Below low normal"/>
  </interpretation>
</Observation>