An example of a simple blood typing panel. (id = "bgpanel")

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

<Observation xmlns="http://hl7.org/fhir">
  <id value="bgpanel"/> 
  <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> 
  <code> 
    <coding> 
      <system value="http://loinc.org"/> 
      <code value="34532-2"/> 
      <display value="Blood type and Indirect antibody screen panel - Blood"/> 
    </coding> 
    <text value="Blood Group Panel"/> 
  </code> 
  <subject> 
    <reference value="Patient/infant"/> 
  </subject> 
  <effectiveDateTime value="2018-03-11T16:07:54+00:00"/> 
  <hasMember> 
    <reference value="Observation/bloodgroup"/> 
  </hasMember> 
  <hasMember> 
    <reference value="Observation/rhstatus"/> 
  </hasMember> 
</Observation>