http://hl7.org/fhir/StructureDefinition/specimen-reject-reason|5.2.0
References a resource or provides a code or text that specifies a substance that is added to a laboratory specimen (part of the container device or added to the specimen indenpendently).
Type: Extension (a.k.a: http://hl7.org/fhir/StructureDefinition/Extension)
Type dependencies: 0
Elements
extension: Extension
value[x]: CodeableConcept