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Thyroid Panel T3, T4, TSH Test

Thyroid test is done to evaluate the functioning of thyroid gland

You can now book lab tests online and have samples collected from your home. Home collection for this test is available in multiple cities.

Cost of test :


A thyroid panel is a group of tests that are done together to help analyse thyroid gland function and to help diagnose thyroid disorders. The tests in the thyroid panel help measure the amount of thyroid hormones in the blood. These hormones are chemical substances that travel through the blood and control or regulate the body's metabolism—how it functions and uses energy.

Reference Values
Test Range
Serum thyroxine 4.6-12 ug/dl
Free thyroxine fraction 0.03-0.005%
Free Thyroxine 0.7-1.9 ng/dl
Thyroid hormone binding ratio 0.9-1.1
Serum Triiodothyronine 80-180 ng/dl
Free Triiodothyronine l 230-619 pg/d
Free T3 Index 80-180
Serum thyrotropin 0.5-6 uU/ml.

When TSH concentrations are increased, the thyroid will make and release abnormal quantities of T4 and T3 and the person may experience symptoms associated with hyperthyroidism. If there is decreased production of thyroid hormones, the person may experience symptoms of hypothyroidism.