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

      <id value="example-pgx"/>
      <meta>
  <security>
    <system value="http://terminology.hl7.org/CodeSystem/v3-ActReason"/>
    <code value="HTEST"/>
    <display value="test health data"/>
  </security>
</meta>
<status value="active"/>
      <intent value="original-order"/>
      <code>
              <coding>
                      <system value="http://loinc.org"/>
                      <code value="47403-1"/>
                      <display value="CYP2D6 gene targeted mutation analysis"/>
              </coding>
      </code>
      <subject>
              <reference value="Patient/899962"/>
      </subject>
      <authoredOn value="2016-10-10T15:00:00-07:00"/>
      <requester>
                      <reference value="Practitioner/12345"/>
      </requester>

</ServiceRequest>