hyperglycemic hyperosmolar nonketotic coma
Hyperglycemic hyperosmolar nonketotic coma  (HHNKC) is an extremely serious complication of type 2 diabetes, most often occurring in those who are non-insulin dependent. HHNKC can happen to people with either type 1 or type 2 diabetes that is not being controlled properly, but it occurs more often in people with type 2.