disease has major feature epilepsy congenital disorder of glycosylation metabolic disease with epilepsy congenital disorder of glycosylation with neurological involvement congenital disorder of glycosylation with epilepsy as a major feature CDG with epilepsy as a major feature ICD10:E77.8 MONDO:0018287 Orphanet:371071 https://github.com/monarch-initiative/mondo/projects/6