This is the ValueSet that contains all the codes in DK Regional Subdivision Codes (http://hl7.dk/fhir/core/ValueSet/dk-core-RegionalSubDivisionCodes) and DK Regional Subdivision Codes (http://hl7.dk/fhir/core/ValueSet/dk-core-RegionalSubDivisionCodes). E.g. what you have to deal with if you get resources containing codes in either of them