This is the CodeSystem that contains all the codes in BFS Medizinische Statistik - 20 1.3.V01 - Behandlungsart / Type de prise en charge / Genere di trattamento (http://fhir.ch/ig/ch-core/CodeSystem/bfs-medstats-20-encounterclass) and BFS Medizinische Statistik - 20 1.3.V01 - Behandlungsart / Type de prise en charge / Genere di trattamento (http://fhir.ch/ig/ch-core/CodeSystem/bfs-medstats-20-encounterclass). E.g. what you have to deal with if you get resources containing codes in either of them