This is the ValueSet that contains all the codes in JDV Absent Or Unknown Allergy CISIS (https://smt.esante.gouv.fr/fhir/ValueSet/jdv-absent-or-unknown-allergy-cisis) and JDV Absent Or Unknown Allergy CISIS (https://smt.esante.gouv.fr/fhir/ValueSet/jdv-absent-or-unknown-allergy-cisis). E.g. what you have to deal with if you get resources containing codes in either of them