This is the ValueSet that contains all the codes in MedCom Observation ValueSet (http://medcomfhir.dk/ig/terminology/ValueSet/MedComObservationValueSet) and MedCom Observation ValueSet (http://medcomfhir.dk/ig/terminology/ValueSet/MedComObservationValueSet). E.g. what you have to deal with if you get resources containing codes in either of them