This is the CodeSystem that contains all the codes in C4BB Compound Literal Code System (http://hl7.org/fhir/us/carin-bb/CodeSystem/C4BBCompoundLiteral) and C4BB Compound Literal Code System (http://hl7.org/fhir/us/carin-bb/CodeSystem/C4BBCompoundLiteral). E.g. what you have to deal with if you get resources containing codes in either of them