This is the ValueSet that contains all the codes in BGT2001 Tarifpositionen (https://fhir.cognovis.de/praxis/ValueSet/bgt2001) and BGT2001 Tarifpositionen (https://fhir.cognovis.de/praxis/ValueSet/bgt2001). E.g. what you have to deal with if you get resources containing codes in either of them