complex neurodevelopmental disorder complex neurodevelopmental disorder with or without congenital anomalies https://github.com/monarch-initiative/mondo/issues/4938 MONDO:0100465 A complex neurodevelopmental disorder that involves more than one phenotype associated with the central nervous system, including but not limited to intellectual disability, autism, and seizures (epilepsy), in addition to one or more structural or functional anomaly(ies) that develops prenatally. GARD:0027066