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Thyroxine Binding Globulin (TBG) Test
Helps in the accurate interpretation of thyroid test results by measuring the hormone carrier protein, especially during pregnancy or when using contraceptive pills.

Test that measures Thyroxine-Binding Globulin (TBG) concentration in serum. It is the main protein that binds thyroid hormones (T4 and T3) and transports them in bloodstream. Changes in TBG level affect reading of "total" thyroid hormones, while "free" active hormones remain stable.
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