Neuropathy, Congenital Hypomyelinating, 3, also known as hypomyelinating neuropathy, congenital, 3, is related to diarrhea and hypoglycemia. An important gene associated with Neuropathy, Congenital Hypomyelinating, 3 is CNTNAP1 (Contactin Associated Protein 1). Affiliated tissues include brain and eye, and related phenotypes are seizure and flexion contracture