Spirometry Example referencing DeviceComponent (id = "656")

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

<Observation xmlns="http://hl7.org/fhir">
  <id value="656"/> 
  <text> <status value="generated"/> <div xmlns="http://www.w3.org/1999/xhtml"><p> <b> Generated Narrative: Observation</b> <a name="656"> </a> </p> <div style="display: inline-block; background-color: #d9e0e7; padding: 6px; margin: 4px; border: 1px
       solid #8da1b4; border-radius: 5px; line-height: 60%"><p style="margin-bottom: 0px">Resource Observation &quot;656&quot; </p> </div> <p> <b> identifier</b> : id: patientId-urn:oid:1.2.4~0000000000000000~152584~20170503155426~820</p> <p> <b> status</b> : final</p> <p> <b> code</b> : MDC_FLOW_AWAY_EXP_FORCED_PEAK <span style="background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki"> (<a href="http://terminology.hl7.org/3.1.0/CodeSystem-v3-mdc.html">ISO 11073-10101 Health informatics - Point-of-care</a> #152584)</span> </p> <p> <b> subject</b> : <a href="todo.html">Patient/PatientId-patientId</a> </p> <p> <b> effective</b> : 2017-05-03T15:54:26-04:00</p> <p> <b> performer</b> : <a href="todo.html">Patient/PatientId-patientId</a> </p> <p> <b> value</b> : 820 cL/s<span style="background: LightGoldenRodYellow"> (Details: urn:iso:std:iso:11073:10101 code 265201 = '265201')</span> </p> </div> </text> <identifier> 
    <value value="patientId-urn:oid:1.2.4~0000000000000000~152584~20170503155426~820"/> 
  </identifier> 
  <status value="final"/> 
  <code> 
    <coding> 
      <system value="urn:iso:std:iso:11073:10101"/> 
      <code value="152584"/> 
      <display value="MDC_FLOW_AWAY_EXP_FORCED_PEAK"/> 
    </coding> 
  </code> 
  <subject> 
    <reference value="Patient/PatientId-patientId"/> 
  </subject> 
  <effectiveDateTime value="2017-05-03T15:54:26-04:00"/> 
  <performer> 
    <reference value="Patient/PatientId-patientId"/> 
  </performer> 
  <valueQuantity> 
    <value value="820"/> 
    <unit value="cL/s"/> 
    <system value="urn:iso:std:iso:11073:10101"/> 
    <code value="265201"/> 
  </valueQuantity> 
  <!--   -
Removed the .related type qualified-by  - if needed would be an extension 

  <related>
    <type value="qualified-by"/>
    <target>
      <identifier>
        <value value="3.14159.20170619185932"/>
      </identifier>
    </target>
  </related>
   -->
</Observation>