This is the ValueSet that contains all the codes in FHIR Clinical Document Information Recipients Participant Types (http://terminology.hl7.org/ValueSet/fhir-clinical-doc-information-recipient) and FHIR Clinical Document Information Recipients Participant Types (http://terminology.hl7.org/ValueSet/fhir-clinical-doc-information-recipient). E.g. what you have to deal with if you get resources containing codes in either of them