This is the ValueSet that contains all the codes in CPG Common Process Value Set (http://hl7.org/fhir/uv/cpg/ValueSet/cpg-common-process-vs) and CPG Common Process Value Set (http://hl7.org/fhir/uv/cpg/ValueSet/cpg-common-process-vs). E.g. what you have to deal with if you get resources containing codes in either of them