Thyroxine Binding Globulin near me in Chennai

Thyroxine Binding Globulin (TBG) test measures the levels of TBG which helps in assessing thyroid problems.
TBG is a serum binding protein which has a high affinity to bind to T3 and T4. In the routine, the thyroid gland maintains the level of free hormone i.e. which is not bound to the TBG. This test is done to assess the thyroid tissues. It helps in diagnosing thyroid disorders such as hypothyroidism and hyperthyroidism. The rise in levels is associated with the intake of oral contraceptives or estrogen therapy. Elevated levels of TBG can be seen during pregnancy or if a person has a family history. The decrease in TBG levels is associated with the intake of androgenic steroids, heavy doses of glucocorticoids, liver disease, nephrotic syndrome, congenital TGB variants and hypoproteinemic states