Thyroxine (T4)
T4 is the main hormone produced by the thyroid gland and serves as a precursor to T3. Measuring T4 helps assess overall thyroid function and is commonly used to diagnose and monitor hypothyroidism and hyperthyroidism.
Triiodothyronine (T3)
T3 is one of the main hormones produced by the thyroid gland, playing a key role in regulating metabolism, energy, and body temperature. This test helps evaluate thyroid function, particularly in diagnosing hyperthyroidism.