Ferritin is a protein that stores iron in your cells and releases it when your body needs it. A ferritin test indirectly measures how much iron is stored in your body.
Category: Iron Studies
Also known as: ferritin, serum ferritin
Reference range: 12–300 ng/mL (Source: ABIM)
Standard unit: ng/mL
High values may indicate
High ferritin levels may indicate hemochromatosis, liver disease, chronic inflammation, infection, or certain cancers such as lymphoma.
Low values may indicate
Low ferritin levels indicate depleted iron stores and are the most sensitive early marker of iron deficiency anemia.