<Substance xmlns="http://hl7.org/fhir">
  <id value="core-examples-Substance-example4" />
  <meta>
    <versionId value="1" />
    <lastUpdated value="2016-09-08T11:38:33.321+00:00" />
  </meta>
  <text>
    <status value="generated" />
    <div xmlns="http://www.w3.org/1999/xhtml">
      <p>
        <b>Generated Narrative with Details</b>
      </p>
      <p>
        <b>id</b>: f203</p>
      <p>
        <b>identifier</b>: 1234</p>
      <p>
        <b>category</b>: Chemical <span>(Details : {http://hl7.org.fhir/substance-category code 'chemical' = '??', given as 'Chemical'})</span></p>
      <p>
        <b>code</b>: Potassium <span>(Details : {SNOMED CT code '88480006' = '88480006', given as 'Potassium'})</span></p>
    </div>
  </text>
  <identifier>
    <system value="http://acme.org/indentifiers/substances" />
    <value value="1234" />
  </identifier>
  <category>
    <coding>
      <system value="http://hl7.org.fhir/substance-category" />
      <code value="chemical" />
      <display value="Chemical" />
    </coding>
  </category>
  <code>
    <coding>
      <system value="http://snomed.info/sct" />
      <code value="88480006" />
      <display value="Potassium" />
    </coding>
  </code>
</Substance>