BMI with links to Height and Weight (id = "bmi-using-related")

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

<Observation xmlns="http://hl7.org/fhir">
  <id value="bmi-using-related"/>     <!--    ======== need to fix vitals to removed fixed value 'has-member' ==========
  <meta>
    <profile value="http://hl7.org/fhir/StructureDefinition/vitalsigns"/>
  </meta>
       --><text> <status value="generated"/> <div xmlns="http://www.w3.org/1999/xhtml"><p> <b> Generated Narrative: Observation</b> <a name="bmi-using-related"> </a> <a name="hcbmi-using-related"> </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;bmi-using-related&quot; </p> </div> <p> <b> status</b> : <span title="  ======== need to fix vitals to removed fixed value 'has-member' ==========
  &lt;meta&gt;
    &lt;profile value=&quot;http://hl7.org/fhir/StructureDefinition/vitalsigns&quot;/&gt;
  &lt;/meta&gt;
     ">final</span> </p> <p> <b> category</b> : Vital Signs <span style="background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki"> (<a href="http://terminology.hl7.org/5.5.0/CodeSystem-observation-category.html">Observation Category Codes</a> #vital-signs)</span> </p> <p> <b> code</b> : BMI <span style="background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki"> (<a href="https://loinc.org/">LOINC</a> #39156-5 &quot;Body mass index (BMI) [Ratio]&quot;)</span> </p> <p> <b> subject</b> : <a href="patient-example.html">Patient/example</a>  &quot;Peter CHALMERS&quot;</p> <p> <b> effective</b> : 1999-07-02</p> <p> <b> value</b> : 16.2 kg/m2<span style="background: LightGoldenRodYellow"> (Details: UCUM code kg/m2 = 'kg/m2')</span> </p> <p> <b> derivedFrom</b> : </p> <ul> <li> <a href="broken-link.html">Observation/bodyheight: Body Height</a> </li> <li> <a href="observation-example.html">Observation/example: Body Weight</a> </li> </ul> </div> </text> <status value="final"/> 
  <category> 
    <coding> 
      <system value="http://terminology.hl7.org/CodeSystem/observation-category"/> 
      <code value="vital-signs"/> 
      <display value="Vital Signs"/> 
    </coding> 
    <text value="Vital Signs"/> 
  </category> 
  <code> 
    <coding> 
      <system value="http://loinc.org"/> 
      <code value="39156-5"/> 
      <display value="Body mass index (BMI) [Ratio]"/> 
    </coding> 
    <text value="BMI"/> 
  </code> 
  <subject> 
    <reference value="Patient/example"/> 
  </subject> 
  <effectiveDateTime value="1999-07-02"/> 
  <valueQuantity> 
    <value value="16.2"/> 
    <unit value="kg/m2"/> 
    <system value="http://unitsofmeasure.org"/> 
    <code value="kg/m2"/> 
  </valueQuantity> 
  <derivedFrom> 
    <reference value="Observation/bodyheight"/> 
    <display value="Body Height"/> 
  </derivedFrom> 
  <derivedFrom> 
    <reference value="Observation/example"/> 
    <display value="Body Weight"/> 
  </derivedFrom> 
</Observation>