Condition
TBG level
Gerald Hurowitz, M.D.Published 6 May 20051 min read
Key points
- 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.
Alternative names
Serum thyroxine binding globulin; Serum 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.
Written and revised by
Gerald Hurowitz, M.D.
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