Compounded Preparation - TPN Solution - includes a reference to a substance in the ingredient element (id = "med0318")
<?xml version="1.0" encoding="UTF-8"?>
<Medication xmlns="http://hl7.org/fhir">
<id value="med0318"/>
<doseForm>
<coding>
<system value="http://snomed.info/sct"/>
<code value="385221006"/>
<display value="Conventional release emulsion for injection (dose form)"/>
</coding>
</doseForm>
<ingredient>
<item>
<concept>
<coding>
<system value="http://hl7.org/fhir/sid/ndc"/>
<code value="0338-1134-03"/>
<display value="CLINIMIX, 1000 mL in 1 BAG (0338-1134-03) (package)"/>
</coding>
<text value="Clinimix 4.25/10 sulfite-free (4.25% Amino Acid in 10% Dextrose) Injection, 1000ml"/>
</concept>
</item>
</ingredient>
<ingredient>
<item>
<concept>
<coding>
<system value="http://hl7.org/fhir/sid/ndc"/>
<code value="0409-5779-01"/>
<display value="TPN Electrolytes, 25 VIAL, SINGLE-DOSE in 1 CARTON (0409-5779-01) > 20 mL in
1 VIAL, SINGLE-DOSE (0409-5779-11) (package)"/>
</coding>
<text value="TPN Electrolytes SODIUM CHLORIDE, CALCIUM CHLORIDE, POTASSIUM CHLORIDE, MAGNESIUM
CHLORIDE, and SODIUM ACETATE ANHYDROUS | INJECTION, SOLUTION, CONCENTRATE | 321
mg/20mL, 331 mg/20mL, 1491 mg/20mL, 508 mg/20mL, 2420 mg/20mL"/>
</concept>
</item>
</ingredient>
<ingredient>
<item>
<concept>
<coding>
<system value="http://hl7.org/fhir/sid/ndc"/>
<code value="0338-0519-02"/>
<display value="Intralipid, 250 mL in 1 BAG (0338-0519-02) (package)"/>
</coding>
<text value="Intralipid 20% IV Fat Emulsion"/>
</concept>
</item>
</ingredient>
<batch>
<lotNumber value="123455"/>
<expirationDate value="2016-07-09"/>
</batch>
</Medication>
Usage note: every effort has been made to ensure that the
examples are correct and useful, but they are not a normative part
of the specification.