Observation-example-f205-egfr.xml

Real-world patient - estimated gfr (id = "f205")

Raw XML

<Observation xmlns="http://hl7.org/fhir">
  <id value="f205"/>
  <text>
    <status value="generated"/>
    <div xmlns="http://www.w3.org/1999/xhtml"><!-- Snipped for brevity --></div>
  </text>
  <code><!--    Kind of observation = eGFR    -->
    <coding>
      <system value="http://loinc.org"/>
      <code value="69405-9"/>
      <display value="Glomerular filtration rate/1.73 sq M.predicted"/>
    </coding>
  </code>
  <valueQuantity><!--    eGFR=54mL/min/1.73m2    -->
    <value value="54"/>
    <units value="mL/min/1.73m2"/>
    <system value="http://unitsofmeasure.org"/>
    <code value="mL/min/{1.73_m2}"/>
  </valueQuantity>
  <interpretation>
    <coding>
      <system value="http://hl7.org/fhir/v2/0078"/>
      <code value="L"/>
      <display value="low"/>
    </coding>
  </interpretation>
  <issued value="2013-04-04T14:34:00+01:00"/><!--    eGFR was measured on April fourth    -->
  <status value="final"/><!--    The observation is complete    -->
  <reliability value="ok"/><!--    No reliability concerns    -->
  <method><!--    Method was serum measurement    -->
    <coding>
      <system value="http://snomed.info/id"/>
      <code value="117337005"/>
      <display value="Calculated laboratory test method"/>
    </coding>
  </method>
  <identifier>
    <system value="https://intranet.aumc.nl/labvalues"/><!--    Does not exist    -->
    <value value="1304-03720-eGFR"/>
  </identifier>
  <subject><!--    It entails Roel's Glomerular rate    -->
    <reference value="Patient/f201"/>
    <display value="Roel"/>
  </subject>
  <performer><!--    by Luigi Maas    -->
    <reference value="Practitioner/f202"/>
    <display value="Luigi Maas"/>
  </performer>
  <referenceRange>
    <low>
      <value value="60"/>
      <units value="mL/min/1.73m2"/>
      <system value="http://unitsofmeasure.org"/>
      <code value="mL/min/{1.73_m2}"/>
    </low>
  </referenceRange>
</Observation>