Physiologic stress response (rarely causes glucose >200 mg/dL)
Diabetes mellitus (main)
Nonketotic hyperglycemia
Hyperosmolar hyperglycemic state (HHS/HONC)
Diabetic ketoacidosis (adult)
Diabetic ketoacidosis (peds)
Cerebral edema in DKA
Diabetic foot infection
Diabetic peripheral neuropathy<unk> 
Iron toxicity
Sepsis
Nonketotic hyperglycemia
Hyperosmolar hyperglycemic state (HHS/HONC)
Diabetic ketoacidosis (adult)
Diabetic ketoacidosis (peds)
Cerebral edema in DKA
Diabetic foot infection
Diabetic peripheral neuropathy
Cerebral edema in DKA
Hemochromatosis
Physiologic stress response 
Porphyria
Diabetes mellitus 
Amebiasis
Nonketotic hyperglycemia
Wilson's disease
Hyperosmolar hyperglycemic state 