This is the ValueSet that contains all the codes in EHMI Endpoint Register (EER) - MedCom Message Definition Uri Valueset (http://medcomehmi.dk/ig/terminology/ValueSet/ehmi-message-definition-uri-valueset) and EHMI Endpoint Register (EER) - MedCom Message Definition Uri Valueset (http://medcomehmi.dk/ig/terminology/ValueSet/ehmi-message-definition-uri-valueset). E.g. what you have to deal with if you get resources containing codes in either of them