
Triiodothyronine - Total (T3) near me in Chennai










The Triiodothyronine - Total (T3) test measures the amount of both bound and free forms of triiodothyronine (T3), a thyroid hormone essential for regulating the body's metabolism, growth, energy production, etc. This test is available at an affordable price in Chennai with Tata 1mg labs. It helps assess thyroid function, diagnose thyroid disorders such as hyperthyroidism (overactive thyroid) or hypothyroidism (underactive thyroid), and monitor treatment effectiveness.
Your doctor may suggest the Triiodothyronine - Total (T3) test if you exhibit symptoms suggestive of a thyroid dysfunction such as weakness, unexplained weight loss or gain, irregular menstrual cycle, changes in appetite, mood swings, sweating, etc. Triiodothyronine - Total (T3) test is done in combination with total T4 and TSH tests as part of a thyroid profile total test for more comprehensive evaluation of your thyroid gland.
No fasting is required for this test. You can eat and drink normally as per your routine. However, if you are taking thyroid medication, you should continue to take it as prescribed by your doctor on the day of the test.








What does Triiodothyronine - Total (T3) measure?
The Triiodothyronine - Total (T3) test measures triiodothyronine, also known as T3, hormone that is produced by the thyroid gland. T3 hormone plays an important role in regulating the body's metabolism, energy levels, and growth & development. It exists in the blood in two forms: free T3 and bound T3. Free T3 is not bound to proteins in the blood and is the active form of T3. Whereas, bound T3 is bound to proteins, such as albumin and thyroid hormone binding globulin (THBG), which prevent it from entering the body tissues.





FAQs related to Triiodothyronine - Total (T3) in Chennai
- Thyroid Function Tests [Internet]. Alexandria, VA: American Thyroid Association; [Accessed 07 Feb. 2023]. Available from:
- University of Rochester Medical Center. Free and Bound Triiodothyronine (Blood) [Internet]. NY. [Accessed 07 Feb. 2023]. Available from:
- British Thyroid Foundation. Thyroid Function Test [Internet]. Scotland: British Thyroid Foundation; 2021 [Accessed 07 Feb. 2023]. Available from:
- Block-Galarza J. Thyroid Function Tests [Internet]. Alexandria, VA: American Thyroid Association. [Accessed 07 Jul. 2023]. Available from:
- National Institute of Diabetes and Digestive and Kidney Diseases. Thyroid Tests [Internet]. National Institute of Health; May 2017 [Accessed 07 Feb. 2023]. Available from:
- Adhimoolam M, Arulmozhi R. Effect of antiepileptic drug therapy on thyroid hormones among adult epileptic patients: An analytical cross-sectional study. J Res Pharm Pract. 2016 Jul-Sep;5(3):171-4. [Accessed 07 Jul. 2023]. Available from:
- Basile ML. What Is T3 (Triiodothyronine) [Internet]. EndocrineWeb; 2022 July 06 [Accessed 07 Feb. 2023].
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