This is the ValueSet that contains all the codes in Route of Administration (http://fhir.ch/ig/ch-emed-epr/ValueSet/ch-emed-epr-route-of-administration) and Route of Administration (http://fhir.ch/ig/ch-emed-epr/ValueSet/ch-emed-epr-route-of-administration). E.g. what you have to deal with if you get resources containing codes in either of them