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

<id value="left-lens"/>
<meta>
  <security>
    <system value="http://terminology.hl7.org/CodeSystem/v3-ActReason"/>
    <code value="HTEST"/>
    <display value="test health data"/>
  </security>
</meta>
<identifier>
  <system value="http://www.happysight.com/prescription"/>
  <value value="15013L"/>
</identifier>
<!--   insert contents here   -->
<groupIdentifier>
  <system value="http://acme.org"/>
  <value value="15013"/>
</groupIdentifier>
<status value="completed"/>
<intent value="original-order"/>
<codeCodeableConcept>
  <coding>
    <system value="http://terminology.hl7.org/CodeSystem/ex-visionprescriptionproduct"/>
    <code value="lens"/>
  </coding>
</codeCodeableConcept>
<parameter>
  <code>
    <coding>
      <system value="http://loinc.org"/>
      <code value="28842-3"/>
      <display value="Sphere distance Glasses prescription.lens - left"/>
    </coding>
    <text value="sphere, left lens"/>
  </code>
  <valueQuantity>
    <value value="-1.00"/>
    <unit value="Diopter"/>
    <system value="http://unitsofmeasure.org"/>
    <code value="[diop]">
    </code>
  </valueQuantity>
</parameter>
<parameter>
  <code>
    <coding>
      <system value="http://loinc.org"/>
      <code value="28843-1"/>
      <display value="Cylinder base distance Glasses prescription.lens - left"/>
    </coding>
    <text value="cylinder, left lens"/>
  </code>
  <valueQuantity>
    <value value="-0.50"/>
    <unit value="Diopter"/>
    <system value="http://unitsofmeasure.org"/>
    <code value="[diop]">
    </code>
  </valueQuantity>
</parameter>
<parameter>
  <code>
    <coding>
      <system value="http://loinc.org"/>
      <code value="28844-9"/>
      <display value=" Axis distance Glasses prescription.lens - left"/>
    </coding>
    <text value="axis, left lens"/>
  </code>
  <valueQuantity>
    <value value="180"/>
    <unit value="Degrees"/>
    <system value="http://unitsofmeasure.org"/>
    <code value="deg">
    </code>
  </valueQuantity>
</parameter>
<subject>
  <reference value="Patient/example"/>
</subject>
<occurrenceDateTime value="2014-06-15"/>
<requester>
  <reference value="Practitioner/example"/>
</requester>

</DeviceRequest>