<?xml version="1.0" encoding="UTF-8"?><Observation xmlns="http://hl7.org/fhir">
  <id value="f002"/>
  <!-- urn:oid:2.16.840.1.113883.4.642.1.7 -->
  <!-- 2.16.840.1.113883.4.642.1.118 -->
  <meta>
    <security>
      <system value="http://terminology.hl7.org/CodeSystem/v3-ActReason"/>
      <code value="HTEST"/>
      <display value="test health data"/>
    </security>
  </meta>
  <identifier>
    <use value="official"/>
    <system value="http://www.bmc.nl/zorgportal/identifiers/observations"/>
    <value value="6324"/>
  </identifier>
  <status value="final"/>
  <code>
    <coding>
      <system value="http://loinc.org"/>
      <code value="11555-0"/>
      <display value="Base excess in Blood by calculation"/>
    </coding>
  </code>
  <subject>
    <reference value="Patient/f001"/>
    <display value="P. van de Heuvel"/>
  </subject>
  <effectiveDateTime value="2013-04-02T10:30:10+01:00"/>
  <issued value="2013-04-03T15:30:10+01:00"/>
  <performer>
    <reference value="Practitioner/f005"/>
    <display value="A. Langeveld"/>
  </performer>
  <valueQuantity>
    <value value="12.6"/>
    <unit value="mmol/l"/>
    <system value="http://unitsofmeasure.org"/>
    <code value="mmol/L"/>
  </valueQuantity>
  <interpretation>
    <coding>
      <system value="http://terminology.hl7.org/CodeSystem/v3-ObservationInterpretation"/>
      <code value="H"/>
      <display value="High"/>
    </coding>
  </interpretation>
  <referenceRange>
    <low>
      <value value="7.1"/>
      <unit value="mmol/l"/>
      <system value="http://unitsofmeasure.org"/>
      <code value="mmol/L"/>
    </low>
    <high>
      <value value="11.2"/>
      <unit value="mmol/l"/>
      <system value="http://unitsofmeasure.org"/>
      <code value="mmol/L"/>
    </high>
  </referenceRange>
</Observation>