This is the ValueSet that contains all the codes in KLTilstandOKoderFFB (http://fhir.kl.dk/term/ValueSet/KLConditionOCodesFFB) and KLTilstandOKoderFFB (http://fhir.kl.dk/term/ValueSet/KLConditionOCodesFFB). E.g. what you have to deal with if you get resources containing codes in either of them