<?xml version="1.0" encoding="UTF-8"?><Observation xmlns="http://hl7.org/fhir">
  <id value="hdl"/>
  <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>
    <text value="Laboratory"/>
  </category>
  <category>
    <coding>
      <system value="urn:oid:1.2.840.114350.1.13.177.2.7.10.798268.30"/>
      <code value="Lab"/>
      <display value="Lab"/>
    </coding>
    <text value="Lab"/>
  </category>
  <code>
    <coding>
      <system value="http://loinc.org"/>
      <code value="2085-9"/>
      <display value="Cholesterol in HDL [Mass/volume] in Serum or Plasma"/>
    </coding>
    <text value="HDL"/>
  </code>
  <subject>
    <reference value="Patient/pat2"/>
  </subject>
  <effectiveDateTime value="2015-08-16T06:40:17Z"/>
  <issued value="2015-08-16T08:40:17Z"/>
  <valueQuantity>
    <value value="46"/>
    <unit value="mg/dL"/>
    <system value="http://unitsofmeasure.org"/>
    <code value="mg/dL"/>
  </valueQuantity>
  <specimen>
    <reference value="Specimen/sst"/>
    <display value="Serum sample"/>
  </specimen>
  <referenceRange>
    <low>
      <value value="40"/>
      <comparator value="&gt;"/>
      <unit value="mg/dL"/>
      <system value="http://unitsofmeasure.org"/>
      <code value="mg/dL"/>
    </low>
  </referenceRange>
</Observation>