This is the ValueSet that contains all the codes in eHDSI Route of Administration (http://terminology.ehdsi.eu/ValueSet/eHDSIRouteofAdministration) and eHDSI Route of Administration (http://terminology.ehdsi.eu/ValueSet/eHDSIRouteofAdministration). E.g. what you have to deal with if you get resources containing codes in either of them