Serum TBG Level
Alternate Names : Serum Thyroxine Binding Globulin, TBG Level
Definition Serum TBG level is a test to evaluate thyroid function by measuring the level of thyroxine binding globulin (TBG) in the blood. Thyroxine binding globulin is a protein that transports thyroid hormone around your body.
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Why is the Test Performed?
Your doctor may use this test to identify abnormalities with your thyroid binding globulin, or to assist in diagnosing other thyroid disorders such as hypothyroidism.
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