

The Free T3 (FT3) Test measures the active form of thyroid hormone—unbound triiodothyronine—in the blood. It helps evaluate how well the thyroid is functioning and plays a key role in regulating metabolism and energy. This test is used to detect thyroid disorders like hyperthyroidism or hypothyroidism and is often done alongside TSH and T4 tests for a comprehensive thyroid assessment.
2nd floor Avisha Center bldg. Mayor Gil Fernando Avenue, cor Mount Vernon St, Marikina, 1800 Metro Manila, Philippines
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