This is the ValueSet that contains all the codes in KVDT Scheinuntergruppe (https://fhir.cognovis.de/praxis/ValueSet/kvdt-scheinuntergruppe) and KVDT Scheinuntergruppe (https://fhir.cognovis.de/praxis/ValueSet/kvdt-scheinuntergruppe). E.g. what you have to deal with if you get resources containing codes in either of them