Ferritin is a protein that stores and releases iron (a mineral) in the body. A ferritin test measures how much of this protein is in your blood, helping diagnose health conditions caused by too much ...

A total iron binding capacity (TIBC) test is a type of blood test that measures the capacity of transferrin, a carrier protein, to bind with iron. The results can help diagnose certain health ...

A complete blood count (CBC) is a common test to diagnose anemia by measuring red blood cell count, hemoglobin, and hematocrit levels. Iron deficiency is a common cause of anemia, and doctors may ...