<?xml version=“1.0” encoding=“UTF-8”?> <ObservationDefinition xmlns=“hl7.org/fhir”>

<id value="example"/>
<meta>
  <security>
    <system value="http://terminology.hl7.org/CodeSystem/v3-ActReason"/>
    <code value="HTEST"/>
    <display value="test health data"/>
  </security>
</meta>
<code> 
  <coding>
    <system value="http://loinc.org"/> 
    <code value="15074-8"/> 
    <display value="Glucose [Moles/volume] in Blood"/> 
  </coding>
</code>

</ObservationDefinition>