This is the ValueSet that contains all the codes in JDV_J84-DepartementOM-RASS (https://mos.esante.gouv.fr/NOS/JDV_J84-DepartementOM-RASS/FHIR/JDV-J84-DepartementOM-RASS) and JDV_J258-Departement (https://mos.esante.gouv.fr/NOS/JDV_J258-Departement/FHIR/JDV-J258-Departement). E.g. what you have to deal with if you get resources containing codes in either of them