This is the ValueSet that contains all the codes in CH ELM Observation Profile Vs (http://fhir.ch/ig/ch-elm/ValueSet/ch-elm-observation-profile-vs) and CH ELM Observation Profile Vs (http://fhir.ch/ig/ch-elm/ValueSet/ch-elm-observation-profile-vs). E.g. what you have to deal with if you get resources containing codes in either of them