An example of a VLDL measurement. (id = "vldl")

<?xml version="1.0" encoding="UTF-8"?>

<Observation xmlns="http://hl7.org/fhir">
  <id value="vldl"/> 
  <text> 
    <status value="generated"/> <div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b> Generated Narrative: Observation vldl</b> </p> <a name="vldl"> </a> <a name="hcvldl"> </a> <a name="vldl-en-US"> </a> <p> <b> status</b> : Final</p> <p> <b> category</b> : <span title="Codes:{http://terminology.hl7.org/CodeSystem/observation-category laboratory}">Laboratory</span> , <span title="Codes:{urn:oid:1.2.840.114350.1.13.177.2.7.10.798268.30 Lab}">Lab</span> </p> <p> <b> code</b> : <span title="Codes:{http://loinc.org 2091-7}">VLDL</span> </p> <p> <b> subject</b> : <a href="Patient/pat2">Donald, Duck</a> </p> <p> <b> effective</b> : 2015-08-16T06:40:17Z</p> <p> <b> issued</b> : 2015-08-16T08:40:17Z</p> <p> <b> value</b> : 44 mg/dL<span style="background: LightGoldenRodYellow"> (Details: UCUM  code = 'mg/dL')</span> </p> <p> <b> specimen</b> : <a href="Specimen/sst">Serum sample</a> </p> </div> 
  </text> 
  <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="2091-7"/> 
      <display value="Cholesterol in VLDL [Mass/volume] in Serum or Plasma"/> 
    </coding> 
    <text value="VLDL"/> 
  </code> 
  <subject> 
    <reference value="Patient/pat2"/> 
  </subject> 
  <effectiveDateTime value="2015-08-16T06:40:17Z"/> 
  <issued value="2015-08-16T08:40:17Z"/> 
  <valueQuantity> 
    <value value="44"/> 
    <unit value="mg/dL"/> 
    <system value="http://unitsofmeasure.org"/> 
    <code value="mg/dL"/> 
  </valueQuantity> 
  <specimen> 
    <reference value="Specimen/sst"/> 
    <display value="Serum sample"/> 
  </specimen> 
</Observation>