This is the ValueSet that contains all the codes in JDV_J278_UcumUniteMesure_UPNOS (https://mos.esante.gouv.fr/NOS/JDV_J278-UcumUniteMesure-UPNOS/FHIR/JDV-J278-UcumUniteMesure-UPNOS) and JDV_J278_UcumUniteMesure_UPNOS (https://mos.esante.gouv.fr/NOS/JDV_J278-UcumUniteMesure-UPNOS/FHIR/JDV-J278-UcumUniteMesure-UPNOS). E.g. what you have to deal with if you get resources containing codes in either of them