Hyperinsulinemic Hypoglycemia, Familial, 2, also known as congenital hyperinsulinism, is related to hyperinsulinemic hypoglycemia, familial, 1 and permanent neonatal diabetes mellitus. An important gene associated with Hyperinsulinemic Hypoglycemia, Familial, 2 is KCNJ11 (Potassium Inwardly Rectifying Channel Subfamily J Member 11), and among its related pathways/superpathways are Signal Transduction and Hepatic ABC Transporters. The drugs Octreotide and Somatostatin have been mentioned in the context of this disorder. Affiliated tissues include pancreatic islet and brain, and related phenotypes are hyperinsulinemic hypoglycemia and hyperinsulinemia