<?xml version="1.0" encoding="utf-8"?>
<Observation xmlns="http://hl7.org/fhir">
  <id value="1" />
  <text>
    <status value="generated" />
    <div xmlns="http://www.w3.org/1999/xhtml">
      <pre>Test                  Units       Value       Reference Range
Haemoglobin           g/L         176         135 - 180</pre>
    </div>
  </text>
  <status value="final" />
  <code>
    <coding>
      <system value="http://loinc.org" />
      <code value="718-7" />
      <display value="Haemoglobin" />
    </coding>
  </code>
  <valueQuantity>
    <value value="176" />
    <unit value="g/L" />
    <system value="http://unitsofmeasure.org" />
    <code value="g/L" />
  </valueQuantity>
  <referenceRange>
    <low>
      <value value="135" />
      <unit value="g/L" />
      <system value="http://unitsofmeasure.org" />
      <code value="g/L" />
    </low>
    <high>
      <value value="180" />
      <unit value="g/L" />
      <system value="http://unitsofmeasure.org" />
      <code value="g/L" />
    </high>
  </referenceRange>
</Observation>