Thyroid Function Tests:
Thyroid function tests (TFTs) are a combination of or group of tests required to determine the thyroid gland function. The following tests are done to check whether the patient has thyroid disease:
TSH (thyroid stimulating hormone or thyrotropin)– This test is conducted to check hypothyroidism, hyperthyroidism and also is checked to monitor the thyroid replacement therapy
T4 or free T4 (thyroxine)– This test is conducted to check hypothyroidism and hyperthyroidism
T3 or free T3 (triiodothyronine)– This test is conducted to check hyperthyroidism