Charcot-Marie-Tooth disease, type 4J (CMT4J) belongs to the genetically heterogeneous group of CMT peripheral sensorimotor polyneuropathy diseases. The disease is Monarch Disease Ontology identifier MONDO_0012640 (Charcot-Marie-Tooth disease type 4J). Also known as: CMT4J, Charcot-Marie-Tooth disease type 4 caused by mutation in FIG4, FIG4 Charcot-Marie-Tooth disease type 4, autosomal recessive Charcot-Marie-Tooth disease type 4J.