This is the ValueSet that contains all the codes in PatientCorrectionCommunicationTypesVS (http://hl7.org/fhir/uv/patient-corrections/ValueSet/PatientCorrectionCommunicationTypesVS) and Patient Correction Communication Types Value Set (http://hl7.org/fhir/uv/patient-corrections/ValueSet/PatientCorrectionCommunicationTypesVS). E.g. what you have to deal with if you get resources containing codes in either of them