This is the ValueSet that contains all the codes in Lettilgængeligt Tilbud - Kontakttyper (http://fhir.kl.dk/ltt/ValueSet/fkgateway-ltt-encounter-types) and Lettilgængeligt Tilbud - Kontakttyper (http://fhir.kl.dk/ltt/ValueSet/fkgateway-ltt-encounter-types). E.g. what you have to deal with if you get resources containing codes in either of them