Diabetes Mellitus, Permanent Neonatal, 2, is also known as diabetes, permanent neonatal 2, with or without neurologic features. An important gene associated with Diabetes Mellitus, Permanent Neonatal, 2 is KCNJ11 (Potassium Inwardly Rectifying Channel Subfamily J Member 11). Affiliated tissues include pancreas and brain, and related phenotypes are global developmental delay and hypsarrhythmia