This is the ValueSet that contains all the codes in CH ELM Expecting Organism Specification (http://fhir.ch/ig/ch-elm/ValueSet/ch-elm-expecting-organism-specification) and CH ELM Expecting Organism Specification (http://fhir.ch/ig/ch-elm/ValueSet/ch-elm-expecting-organism-specification). E.g. what you have to deal with if you get resources containing codes in either of them