Compounded Preparation - HC 1%, Salicylic Acid 5% in Glaxal Base - includes a reference to a substance in the ingredient element (id = "med0319")

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<Medication xmlns="http://hl7.org/fhir">
   <id value="med0319"/> 
   
      <text> <status value="generated"/> <div xmlns="http://www.w3.org/1999/xhtml"><p> <b> Generated Narrative: Medication</b> <a name="med0319"> </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 Medication &quot;med0319&quot; </p> </div> <p> <b> doseForm</b> : Ointment <span style="background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki"> (<a href="https://browser.ihtsdotools.org/">SNOMED CT</a> #385101003)</span> </p> <blockquote> <p> <b> ingredient</b> </p> <h3> Items</h3> <table class="grid"><tr> <td> -</td> <td> <b> Concept</b> </td> </tr> <tr> <td> *</td> <td> Salicylic Acid (substance) <span style="background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki"> (<a href="https://browser.ihtsdotools.org/">SNOMED CT</a> #387253001)</span> </td> </tr> </table> <p> <b> strength</b> : 5 g<span style="background: LightGoldenRodYellow"> (Details: UCUM code g = 'g')</span> /100 g<span style="background: LightGoldenRodYellow"> (Details: UCUM code g = 'g')</span> </p> </blockquote> <blockquote> <p> <b> ingredient</b> </p> <h3> Items</h3> <table class="grid"><tr> <td> -</td> <td> <b> Concept</b> </td> </tr> <tr> <td> *</td> <td> Hydrocortisone (substance) <span style="background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki"> (<a href="https://browser.ihtsdotools.org/">SNOMED CT</a> #396458002)</span> </td> </tr> </table> <p> <b> strength</b> : 1 g<span style="background: LightGoldenRodYellow"> (Details: UCUM code g = 'g')</span> /100 g<span style="background: LightGoldenRodYellow"> (Details: UCUM code g = 'g')</span> </p> </blockquote> <blockquote> <p> <b> ingredient</b> </p> <h3> Items</h3> <table class="grid"><tr> <td> -</td> <td> <b> Concept</b> </td> </tr> <tr> <td> *</td> <td> White Petrolatum (substance) <span style="background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki"> (<a href="https://browser.ihtsdotools.org/">SNOMED CT</a> #126066007)</span> </td> </tr> </table> <p> <b> strength</b> : 94 g<span style="background: LightGoldenRodYellow"> (Details: UCUM code g = 'g')</span> /100 g<span style="background: LightGoldenRodYellow"> (Details: UCUM code g = 'g')</span> </p> </blockquote> </div> </text> <doseForm> 
         <coding> 
            <system value="http://snomed.info/sct"/> 
            <code value="385101003"/> 
            <display value="Ointment"/> 
         </coding> 
         <text value="Ointment"/> 
      </doseForm> 
      <ingredient> 
         <item> 
         <concept> 
            <coding> 
               <system value="http://snomed.info/sct"/> 
               <code value="387253001"/> 
               <display value="Salicylic Acid (substance)"/> 
            </coding> 
         </concept> 
         </item> 
         <strengthRatio> 
            <numerator> 
               <value value="5"/> 
               <system value="http://unitsofmeasure.org"/> 
               <code value="g"/> 
            </numerator> 
            <denominator> 
               <value value="100"/> 
               <system value="http://unitsofmeasure.org"/> 
               <code value="g"/> 
            </denominator> 
         </strengthRatio> 
      </ingredient> 
      <ingredient> 
         <item> 
         <concept> 
            <coding> 
               <system value="http://snomed.info/sct"/> 
               <code value="396458002"/> 
               <display value="Hydrocortisone (substance)"/> 
            </coding> 
         </concept> 
         </item> 
         <strengthRatio> 
            <numerator> 
               <value value="1"/> 
               <system value="http://unitsofmeasure.org"/> 
               <code value="g"/> 
            </numerator> 
            <denominator> 
               <value value="100"/> 
               <system value="http://unitsofmeasure.org"/> 
               <code value="g"/> 
            </denominator> 
         </strengthRatio> 
      </ingredient> 
      <ingredient> 
         <item> 
         <concept> 
            <coding> 
               <system value="http://snomed.info/sct"/> 
               <code value="126066007"/> 
               <display value="White Petrolatum (substance)"/> 
            </coding> 
         </concept> 
         </item> 
         <strengthRatio> 
            <numerator> 
               <value value="94"/> 
               <system value="http://unitsofmeasure.org"/> 
               <code value="g"/> 
            </numerator> 
            <denominator> 
               <value value="100"/> 
               <system value="http://unitsofmeasure.org"/> 
               <code value="g"/> 
            </denominator> 
         </strengthRatio> 
      </ingredient> 
   
</Medication>