Hyperinsulinism Due to Hnf1a Deficiency, also known as hyperinsulinemic hypoglycemia due to hnf1a deficiency, is related to hyperinsulinism and maturity-onset diabetes of the young. An important gene associated with Hyperinsulinism Due to Hnf1a Deficiency is HNF1A (HNF1 Homeobox A), and among its related pathways/superpathways are Glucose / Energy Metabolism and Human Embryonic Stem Cell Pluripotency. Related phenotypes are neonatal hypotonia and neonatal hypoglycemia