Serum ferritin:
>300 ng/mL in males and postmenopausal women
>150 - 200 ng/mL in premenopausal women
>300 ng/mL in males and postmenopausal women
>150 - 200 ng/mL in premenopausal women
Hemochromatosis
Physiologic stress response 
Porphyria
Diabetes mellitus 
Amebiasis
Nonketotic hyperglycemia
Wilson's disease
Hyperosmolar hyperglycemic state 