This is the CodeSystem that contains all the codes in MedComMessagingDestinationUse (http://medcomfhir.dk/ig/terminology/CodeSystem/medcom-messaging-destinationUse) and MedComMessagingDestinationUse (http://medcomfhir.dk/ig/terminology/CodeSystem/medcom-messaging-destinationUse). E.g. what you have to deal with if you get resources containing codes in either of them