This is the ValueSet that contains all the codes in ValueSet_CIPUCD_All (https://smt.esante.gouv.fr/terminologie-cip_ucd?vs) and ValueSet_CIPUCD_All (https://smt.esante.gouv.fr/terminologie-cip_ucd?vs). E.g. what you have to deal with if you get resources containing codes in either of them