Developmental Delay, Impaired Growth, Dysmorphic Facies, and Axonal Neuropathy, also known as digfan, is related to charcot-marie-tooth disease, axonal, type 2z. An important gene associated with Developmental Delay, Impaired Growth, Dysmorphic Facies, and Axonal Neuropathy is MORC2 (MORC Family CW-Type Zinc Finger 2). Affiliated tissues include brain and cerebellum, and related phenotypes are delayed gross motor development and delayed speech and language development