Unsaturated Iron Binding Capacity Blood Tests

The Unsaturated Iron Binding Capacity (UIBC) test is a blood test that measures the amount of iron that can be bound to a protein called transferrin. Transferrin is responsible for transporting iron in the blood.

This test is used to evaluate how well your body can transport and store iron. Iron is an essential mineral that helps in the production of red blood cells and carries oxygen throughout the body.

A low UIBC level may indicate that your body is not able to bind enough iron to transferrin, which could be a sign of iron deficiency. On the other hand, a high UIBC level may suggest that your body has excess transferrin available to bind with iron, which could be a sign of iron overload or certain medical conditions.
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