TOTAL TRIIODOTHYRONINE (T3)

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Triiodothyronine (T3)

What is Triiodothyronine (T3)?

Triiodothyronine (T3) is one of the two major hormones produced by the Thyroid gland. T3 has three iodine molecules attached and help to regulate body temperature, metabolism and heart rate, cardiac and digestive functions, muscle control, brain development and function, and bone maintenance. The total T3 test measures both free and bound T3 levels in the blood, which aids in the diagnosis of thyroid disorders. It helps in evaluating thyroidal disorders (if any) and confirms the condition of the thyroid gland, whether hypo, hyper, or euthyroid. It is also useful in distinguishing primary (thyroid) hypothyroidism from secondary (pituitary) and tertiary (hypothalamic) hypothyroidism. Untreated thyroid issues can lead to a number of health problems, such as obesity or unintentional weight loss, joint pain, infertility, and heart disease.

Technique

C.L.I.A

Who prescribes

Endocrinologists, General physician, General Medicine

Sample type

SERUM

Fasting

Non Fasting