This example demonstrates using the bodystructure resource to identify a fetus within systems that choose not to treat a fetus as a Patient (id = "fetus")

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

<BodyStructure xmlns="http://hl7.org/fhir">
  <id value="fetus"/> 
  <text> <status value="generated"/> <div xmlns="http://www.w3.org/1999/xhtml"><p> <b> Generated Narrative: BodyStructure</b> <a name="fetus"> </a> <a name="hcfetus"> </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 BodyStructure &quot;fetus&quot; </p> </div> <p> <b> identifier</b> : <code> http://goodhealth.org/bodystructure/identifiers</code> /12345</p> <h3> IncludedStructures</h3> <table class="grid"><tr> <td style="display: none">-</td> <td> <b> Structure</b> </td> </tr> <tr> <td style="display: none">*</td> <td> Fetus <span style="background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki"> (<a href="https://browser.ihtsdotools.org/">SNOMED CT</a> #83418008 &quot;Entire fetus (body structure)&quot;)</span> </td> </tr> </table> <p> <b> description</b> : EDD 1/1/2017 confirmation by LMP</p> <p> <b> patient</b> : <a href="patient-example.html">Patient/example</a>  &quot;Peter CHALMERS&quot;</p> </div> </text> <identifier> 
    <system value="http://goodhealth.org/bodystructure/identifiers"/> 
    <value value="12345"/> 
  </identifier> 
  <includedStructure> 
    <structure> 
      <coding> 
      <system value="http://snomed.info/sct"/> 
      <code value="83418008"/> 
      <display value="Entire fetus (body structure)"/> 
      </coding> 
      <text value="Fetus"/> 
    </structure> 
  </includedStructure> 
  <description value="EDD 1/1/2017 confirmation by LMP"/> 
  <patient> 
    <reference value="Patient/example"/> 
  </patient> 
</BodyStructure>