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

<id value="example"/>
<text>
  <status value="generated"/>
  <div xmlns="http://www.w3.org/1999/xhtml">Patient has very high serum potassium</div>
</text>

<!--  insert contents here  -->
  <identifier>
              <type><text value="Paging System"/></type>
              <system value="urn:oid:1.3.4.5.6.7"/>
              <value value="2345678901"/>
</identifier>
 <category>
    <coding>
      <system value="http://acme.org/messagetypes"/>
      <code value="Alert"/>
    </coding>
    <text value="Alert"/>
 </category>
 <sender>
   <reference value="Device/f001"/>
 </sender>
 <recipient>
  <reference value="Practitioner/21"/>
</recipient>
<payload>
  <contentString value="Patient 1 has a very high serum potassium value (7.2 mmol/L on 2014-Dec-12 at 5:55 pm)"/>
</payload>
<payload>
  <!-- Reference to the lab result  -->
  <contentReference>
    <reference value="Observation/643666aa12f"/>
  </contentReference>
</payload>
<status value="completed"/>
<sent value="2014-12-12T18:01:10-08:00"/>
<subject>
  <reference value="Patient/1"/>
</subject>

</Communication>