Consolidated CDA (C-CDA), published by Health Level Seven. This guide is not an authorized publication; it is the continuous build for version 4.0.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/CDA-ccda/ and changes regularly. See the Directory of published versions
<observation xmlns="urn:hl7-org:v3" moodCode="EVN" classCode="OBS">
<templateId root="2.16.840.1.113883.10.20.22.4.31"/>
<!-- Age observation -->
<code xsi:type="CD" displayName="Age At Onset"
codeSystem="2.16.840.1.113883.6.96" code="445518008"/>
<!-- <text><reference value="#age"/></text> -->
<statusCode code="completed"/>
<value xsi:type="PQ" value="57" unit="a"/>
</observation>