<status value="draft" /> <fhirVersion value="4.0.1" /> <kind value="resource" /> <abstract value="false" /> <type value="PractitionerRole" /> <baseDefinition value="http://hl7.org/fhir/us/core/StructureDefinition/us-core-practitionerrole" /> <derivation value="constraint" /> <differential> <element id="PractitionerRole.specialty"> <path value="PractitionerRole.specialty" /> <binding> <strength value="required" /> <description value="NUCC Healthcare Provider Taxonomy codes" /> <valueSet value="http://hl7.org/fhir/ValueSet/provider-taxonomy" /> </binding> </element> </differential> </StructureDefinition>