<StructureDefinition xmlns="http://hl7.org/fhir">
  <url value="http://example.com/fhir/StructureDefinition/codeableconcept-commonsystems-rxnorm" />
  <version value="0.1" />
  <name value="CodeableConceptCommonSystemsWithRxNorm" />
  <title value="CodeableConcept with SNOMED, LOINC, and RxNorm" />
  <status value="active" />
  <experimental value="false" />
  <date value="2019" />
  <publisher value="Chris Grenz" />
  <contact>
    <telecom>
      <system value="email" />
      <value value="chris.grenz@thoughtworks.com" />
    </telecom>
  </contact>
  <description value="Add an additional slice for RxNorm using a Coding profile definition." />
  <copyright value="(c)2019 Chris Grenz into public domain" />
  <fhirVersion value="4.0.0" />
  <kind value="complex-type" />
  <abstract value="false" />
  <type value="CodeableConcept" />
  <baseDefinition value="http://example.com/fhir/StructureDefinition/codeableconcept-commonsystems" />
  <derivation value="constraint" />
  <differential>
    <element id="CodeableConcept">
      <path value="CodeableConcept" />
    </element>
    <element id="CodeableConcept.coding:RXNORM">
      <path value="CodeableConcept.coding" />
      <sliceName value="RXNORM" />
      <definition value="Coding in RXNORM" />
      <type>
        <code value="Coding" />
        <profile value="http://example.com/fhir/StructureDefinition/coding-rxnorm" />
      </type>
    </element>
  </differential>
</StructureDefinition>