This is the ValueSet that contains all the codes in CH EPL - Index Therapeuticus (http://fhir.ch/ig/ch-epl/ValueSet/ch-epl-foph-index-therapeuticus) and CH EPL - Index Therapeuticus (http://fhir.ch/ig/ch-epl/ValueSet/ch-epl-foph-index-therapeuticus). E.g. what you have to deal with if you get resources containing codes in either of them