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  <identifier>
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      <coding>
        <system value="http://terminology.hl7.org/CodeSystem/v2-0203" />
        <version value="2.9" />
        <code value="RI" />
        <display value="Resource identifier" />
      </coding>
    </type>
    <system value="urn:ietf:rfc:3986" />
    <value value="urn:uuid:b06f8fe2-6a46-49b3-a751-8d7100fffd56" />
  </identifier>
  <status value="final" />
  <category>
    <coding>
      <system value="http://terminology.hl7.org/CodeSystem/observation-category" />
      <code value="vital-signs" />
    </coding>
  </category>
  <code>
    <coding>
      <system value="http://snomed.info/sct" />
      <version value="http://snomed.info/sct/900000000000207008/version/20220131" />
      <code value="784399000" />
      <display value="Self reported body weight (observable entity)" />
    </coding>
    <coding>
      <system value="http://loinc.org" />
      <version value="2.71" />
      <code value="29463-7" />
      <display value="Body weight" />
    </coding>
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  <subject>
    <reference value="urn:uuid:be5aefaa-1513-4daa-a895-88fa664c7be3" />
  </subject>
  <effectiveDateTime value="2022-03-21T00:00:00Z" />
  <valueQuantity>
    <value value="75" />
    <unit value="kg" />
    <system value="http://unitsofmeasure.org" />
    <code value="kg" />
  </valueQuantity>
  <bodySite>
    <coding>
      <system value="http://snomed.info/sct" />
      <version value="http://snomed.info/sct/900000000000207008/version/20220131" />
      <code value="38266002" />
      <display value="Entire body as a whole (body structure)" />
    </coding>
  </bodySite>
</Observation>