ABCC8 and congenital isolated hyperinsulinism: So far, mutations in more than 10 different genes (ABCC8, KCNJ11, GLUD1, GCK, HADH, HK1, CACNA1D, FOXA2, UCP2, SLC16A1, HNF4A, HNF1A, PMM2, and PGM1) have been reported in the genetic etiology of CHI [3–6].