This page is part of the HL7 FHIR Implementation Guide: minimal Common Oncology Data Elements (mCODE) Release 1 - US Realm | STU1 (v1.16.0: STU 2 Ballot 1) based on FHIR R4. The current version which supercedes this version is 2.0.0. For a full list of available versions, see the Directory of published versions
<Observation xmlns="http://hl7.org/fhir">
<id value="observation-smoking-history-jenny-m"/>
<text>
<status value="generated"/>
<div xmlns="http://www.w3.org/1999/xhtml"><p><b>Generated Narrative</b></p><p></p><p><b>category</b>: <span title="Codes: {http://terminology.hl7.org/CodeSystem/observation-category social-history}">Social History</span></p><p><b>code</b>: <span title="Codes: {http://snomed.info/sct 401201003}">Cigarette pack-years (observable entity)</span></p><p><b>subject</b>: <a href="Patient-cancer-patient-jenny-m.html">Generated Summary: Medical Record Number: MRN1234 (USUAL); Jenny M ; gender: female; birthDate: 1965-01-01</a></p><p><b>effective</b>: 2018-03-16</p><p><b>value</b>: 20 Pack-Years</p></div>
</text>
<status value="final"/>
<category>
<coding>
<system value="http://terminology.hl7.org/CodeSystem/observation-category"/>
<code value="social-history"/>
<display value="Social History"/>
</coding>
</category>
<code>
<coding>
<system value="http://snomed.info/sct"/>
<code value="401201003"/>
<display value="Cigarette pack-years (observable entity)"/>
</coding>
</code>
<subject>
<reference value="Patient/cancer-patient-jenny-m"/>
</subject>
<effectiveDateTime value="2018-03-16"/>
<valueQuantity>
<value value="20"/>
<unit value="Pack-Years"/>
<system value="http://unitsofmeasure.org"/>
<code value="{PackYears}"/>
</valueQuantity>
</Observation>