This test is used to help identify the cause of hyperthyroidism (overactive thyroid) and hypothyroidism (underactive thyroid). It is also used to monitor thyroid cancer treatment and to detect reappearance. This test is commonly ordered in conjunction with other thyroid tests - TSH, TPO, T3, T4
$89.00Price for members $44.50
Preparation: Please do not exercise prior to testing. It is best that your blood is taken in a rested state.