TOTAL IRON BINDING CAPACITY (TIBC) (THY)
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Total iron binding capacity (TIBC) is a blood test to see if you have too much or too little iron in your blood.
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Total iron binding capacity (TIBC) is a blood test to see if you have too much or too little iron in your blood. Iron moves through the blood attached to a protein called transferrin. This test helps your health care provider know how well that protein can carry iron in your blood.