This is the ValueSet that contains all the codes in JDV_J158_MethodStepsByDay_ENS (https://mos.esante.gouv.fr/NOS/JDV_J158-MethodStepsByDay-ENS/FHIR/JDV-J158-MethodStepsByDay-ENS) and JDV_J158_MethodStepsByDay_ENS (https://mos.esante.gouv.fr/NOS/JDV_J158-MethodStepsByDay-ENS/FHIR/JDV-J158-MethodStepsByDay-ENS). E.g. what you have to deal with if you get resources containing codes in either of them