This is the set of resources that conform to either of the profiles Specimen Collection Procedure (http://hl7.org/cda/us/ccda/StructureDefinition/SpecimenCollectionProcedure) and Specimen Collection Procedure (http://hl7.org/cda/us/ccda/StructureDefinition/SpecimenCollectionProcedure). E.g. what you have to deal with if you get resources conforming to one of them