Monarch Disease Ontology term MONDO_0011904 (seizures, benign familial infantile, 3) is any benign familial infantile epilepsy in which the cause of the disease is a mutation in the SCN2A gene. Also known as: BFNIS, SCN2A benign familial infantile epilepsy, benign familial infantile epilepsy caused by mutation in SCN2A, benign familial neonatal-infantile seizures, benign neonatal-infantile epilepsy, seizures, benign familial infantile, type 3.