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

<ObservationDefinition xmlns="http://hl7.org/fhir">
  <id value="example-observation-vitamin-d"/>
  <meta>
    <profile value="http://hl7.org/fhir/uv/order-catalog/StructureDefinition/LabObservationDefinition"/>
  </meta>
  <language value="en"/>
  <text>
    <status value="additional"/><div xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
            <p><b>Observation Definition - Vitamin D serum test:</b></p>
            <p>Medical biology test: Vitamin D assay in blood serum</p>
            <p>Category: laboratory</p>
            <p>Identification: 14635-7 |25-hydroxyvitamin D3 [Moles/volume] in Serum or Plasma| (http://loinc.org)</p>
            <p>Permitted result types: quantitative, textual</p>
            <p>Multiple results: no</p>
            <p>Preferred report name: Vitamin D</p>
            <p>Unit of measure: pmol/L (http://unitsofmeasure.org)</p>
        </div>
  </text>
  <status value="active"/>
  <category>
    <coding>
      <system value="http://terminology.hl7.org/CodeSystem/observation-category"/>
      <code value="laboratory"/>
      <display value="Laboratory"/>
    </coding>
  </category>
  <code>
    <coding>
      <system value="http://loinc.org"/>
      <code value="14635-7"/>
      <display value="25-hydroxyvitamin D3 [Moles/volume] in Serum or Plasma"/>
    </coding>
  </code>
  <permittedDataType value="Quantity"/>
  <permittedDataType value="string"/>
  <multipleResultsAllowed value="false"/>
  <preferredReportName value="Vitamin D"/>
  <permittedUnit>
    <system value="http://unitsofmeasure.org"/>
    <code value="pmol/L"/>
  </permittedUnit>
</ObservationDefinition>