This is the ValueSet that contains all the codes in JDV_J255_SurspecialiteTransversale_RPPS (https://mos.esante.gouv.fr/NOS/JDV_J255-SurspecialiteTransversale-RPPS/FHIR/JDV-J255-SurspecialiteTransversale-RPPS) and JDV_J255_SurspecialiteTransversale_RPPS (https://mos.esante.gouv.fr/NOS/JDV_J255-SurspecialiteTransversale-RPPS/FHIR/JDV-J255-SurspecialiteTransversale-RPPS). E.g. what you have to deal with if you get resources containing codes in either of them