http://hl7.org/fhir/StructureDefinition/Identifier|4.0.1

Base StructureDefinition for Identifier Type: An identifier - identifies some entity uniquely and unambiguously. Typically this is used for business identifiers.
Base: http://hl7.org/fhir/StructureDefinition/Element4.0.1, 5.0.0, 4.0.1
Type: Identifier (a.k.a: http://hl7.org/fhir/StructureDefinition/Identifier)
Type dependencies: 7
Elements