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

<Observation xmlns="http://hl7.org/fhir">
  <id value="Tobacco-item-example-88029-4"/>
  <meta>
    <extension url="http://hl7.org/fhir/StructureDefinition/instance-name">
      <valueString value="Tobacco Item Example 88029-4"/>
    </extension>
    <extension url="http://hl7.org/fhir/StructureDefinition/instance-description">
      <valueMarkdown value="This is a Tobacco Item Example 88029-4 (Tobacco use duration) for the *US Core Observation Screening Assessment Profile*"/>
    </extension>
    <profile value="http://hl7.org/fhir/us/core/StructureDefinition/us-core-observation-screening-assessment"/>
  </meta>
  <text>
    <status value="generated"/><div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: Observation Tobacco-item-example-88029-4</b></p><a name="Tobacco-item-example-88029-4"> </a><a name="hcTobacco-item-example-88029-4"> </a><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"/><p style="margin-bottom: 0px">Profile: <a href="http://hl7.org/fhir/us/core/2026Jan/StructureDefinition-us-core-observation-screening-assessment.html">US Core Observation Screening Assessment Profile</a></p></div><p><b>status</b>: Final</p><p><b>category</b>: <span title="Codes:{http://terminology.hl7.org/CodeSystem/observation-category survey}">Survey</span></p><p><b>code</b>: <span title="Codes:{http://loinc.org 88029-4}">Tobacco use duration</span></p><p><b>subject</b>: <a href="http://hl7.org/fhir/us/core/2026Jan/Patient-example.html">Amy V. Baxter  (no stated gender), DoB: 1987-02-20 ( Medical Record Number: 1032702 (use: usual, ))</a></p><p><b>effective</b>: 2026-05-21 03:32:19+0000</p><p><b>performer</b>: <a href="http://hl7.org/fhir/us/core/2026Jan/Practitioner-practitioner-1.html">Practitioner Ronald Bone </a></p><p><b>value</b>: 10 a<span style="background: LightGoldenRodYellow"> (Details: UCUM  codea = 'a')</span></p><p><b>note</b>: </p><blockquote><div><p>Amount of time (e.g. years) the patient has used smoking or smokeless tobacco products</p>
</div></blockquote><p><b>derivedFrom</b>: <a href="QuestionnaireResponse-5497959.html">Tobacco Use Panel QuestionnaireResponse Example</a></p></div>
  </text>
  <status value="final"/>
  <category>
    <coding>
      <system value="http://terminology.hl7.org/CodeSystem/observation-category"/>
      <code value="survey"/>
      <display value="Survey"/>
    </coding>
  </category>
  <code>
    <coding>
      <system value="http://loinc.org"/>
      <code value="88029-4"/>
      <display value="Tobacco use duration"/>
    </coding>
    <text value="Tobacco use duration"/>
  </code>
  <subject>
    <reference value="Patient/example"/>
  </subject>
  <effectiveDateTime value="2026-05-21T03:32:19.408Z"/>
  <performer>
    <reference value="Practitioner/practitioner-1"/>
  </performer>
  <valueQuantity>
    <value value="10"/>
    <unit value="a"/>
    <system value="http://unitsofmeasure.org"/>
    <code value="a"/>
  </valueQuantity>
  <note>
    <text value="Amount of time (e.g. years) the patient has used smoking or smokeless tobacco products"/>
  </note>
  <derivedFrom>
    <reference value="QuestionnaireResponse/5497959"/>
    <display value="Tobacco Use Panel QuestionnaireResponse Example"/>
  </derivedFrom>
</Observation>