This is the ValueSet that contains all the codes in UseContextCodeSystemValueset (http://medcomfhir.dk/ig/terminology/ValueSet/medcom-messagedefinition-use-context-code-valueset) and UseContextCodeSystemValueset (http://medcomfhir.dk/ig/terminology/ValueSet/medcom-messagedefinition-use-context-code-valueset). E.g. what you have to deal with if you get resources containing codes in either of them