T4

Test details

Thyroxine or T4 is a vital hormone which is secreted by our body's thyroid gland. This hormone helps to regulate our body's growth and metabolism. A Total Thyroxine (T4) Test helps to measure the amount of free and protein-bound Thyroxine hormone in the blood samples. This test acts as an indication for the proper functioning of the thyroid gland.

Test ordered for

To measure the amount of Thyroxine hormone in the blood.

Test recommended

It is recommended to check for proper functioning of thyroid gland. High value indicates hyperthyroidism, toxic nodular goitre and Thyroiditis. Low measure indicates hypothyroidism, iodine deficiency and problems in pituitary gland.