Serum iron

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Fe+2; Ferric ion; Fe++; Ferrous ion; Iron - serum

• Iron: 60-170 mcg/dL
• TIBC : 240-450 mcg/dL
• Transferrin saturation: 20-50%

Note: mcg/dl = micrograms per deciliter

Note: Normal value ranges may vary slightly among different laboratories. Talk to your doctor about the meaning of your specific test results.

Higher-than-normal levels may mean:

• Hemochromatosis
• Hemolysis
• Hemolytic anemias
• Hemosiderosis
• Liver tissue death (hepatic necrosis)
• Hepatitis
• Vitamin B-12 deficiency, vitamin B-6 deficiency
• Iron poisoning
• Many blood transfusions

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Lower-than-normal levels may mean:

• Chronic gastrointestinal blood loss
• Chronic heavy menstrual bleeding
• Poor absorption of iron
• Not enough dietary iron
• Pregnancy

Other conditions under which the test may be performed:

• Anemia of chronic disease

Review Date: 03/21/2010
Reviewed By: Linda J. Vorvick, MD, Medical Director, MEDEX Northwest Division of Physician Assistant Studies, University of Washington, School of Medicine; James R. Mason, MD, Oncologist, Director, Blood and Marrow Transplantation Program and Stem Cell Processing Lab, Scripps Clinic, Torrey Pines, California. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org).