endocrine system disorder hyperinsulinemic hypoglycemia https://github.com/monarch-initiative/mondo/issues/3649 https://www.malacards.org/card/hyperinsulinemic_hypoglycemia NANDO:2200399 OMIMPS:256450 hyperinsulinemia hypoglycemia hyperinsulinemic hypoglycemia (disease) NANDO:2100143 EFO:0007318 UMLS:C1864903 SCTID:42681006 GARD:0021849 MEDGEN:351247 An inherited autosomal recessive syndrome characterized by the disorganized formation of new islets in the pancreas and congenital hyperinsulinism. It is due to focal hyperplasia of pancreatic islet cells budding off from the ductal structures and forming new islets of langerhans. Mutations in the islet cells involve the potassium channel gene kcnj11 or the atp-binding cassette transporter gene abcc8, both on chromosome 11. Orphanet:443095 MONDO:0005803 HP:0000825 DOID:13317 hyperinsulinemic hypoglycemia (disease) inborn carbohydrate metabolic disorder