ferritin /fer″itin/ [L, ferrum, iron] , an iron compound formed in the intestine and stored in the liver, spleen, and bone marrow for eventual incorporation into hemoglobin. Serum ferritin levels are used as an indicator of the body’s iron stores. Normal adult blood levels are 12 to 300 ng/mL for males and 10 to 150 ng/mL for females.
