Potassium Example (id = "f203")

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

<Substance xmlns="http://hl7.org/fhir">
  <id value="f203"/> 
  <text> <status value="generated"/> <div xmlns="http://www.w3.org/1999/xhtml"><p> <b> Generated Narrative: Substance</b> <a name="f203"> </a> </p> <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">Resource Substance &quot;f203&quot; </p> </div> <p> <b> identifier</b> : id: 1234</p> <p> <b> instance</b> : false</p> <p> <b> category</b> : Chemical <span style="background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki"> (<a href="http://terminology.hl7.org/3.1.0/CodeSystem-substance-category.html">Substance Category Codes</a> #chemical)</span> </p> <h3> Codes</h3> <table class="grid"><tr> <td> -</td> <td> <b> Concept</b> </td> </tr> <tr> <td> *</td> <td> Potassium <span style="background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki"> (<a href="https://browser.ihtsdotools.org/">SNOMED CT</a> #88480006)</span> </td> </tr> </table> </div> </text> <identifier> 
    <system value="http://acme.org/identifiers/substances"/> 
    <value value="1234"/> 
  </identifier> 
  <instance value="false"/> 
  <category> 
    <coding> 
      <system value="http://terminology.hl7.org/CodeSystem/substance-category"/> 
      <code value="chemical"/> 
      <display value="Chemical"/> 
    </coding> 
  </category> 
  <code> 
    <concept> 
      <coding> 
        <system value="http://snomed.info/sct"/> 
        <code value="88480006"/> 
        <display value="Potassium"/> 
      </coding> 
    </concept> 
  </code> 
</Substance>