{"product_id":"t4","title":"T4 (ECLIA)","description":"\u003cdiv class=\"test-description\"\u003e\n  \u003cp class=\"test-lead\"\u003eThe T4 (Total Thyroxine) test measures the total amount of thyroxine in your blood — the main hormone produced by the thyroid gland.\u003c\/p\u003e\n  \u003ch3\u003eWhat does this test check?\u003c\/h3\u003e\n  \u003cp\u003eMeasures total T4 (bound and free fractions). T4 is the primary output of the thyroid gland and is converted to the more active T3 in peripheral tissues.\u003c\/p\u003e\n  \u003ch3\u003eWhy get tested?\u003c\/h3\u003e\n  \u003cp\u003eT4 evaluation complements TSH testing in diagnosing hypothyroidism and hyperthyroidism. It helps determine whether an abnormal TSH reflects true thyroid dysfunction and guides treatment decisions.\u003c\/p\u003e\n  \u003ch3\u003eWho should get this test?\u003c\/h3\u003e\n  \u003cp\u003ePatients with abnormal TSH results, those with symptoms of thyroid dysfunction, pregnant women (thyroid disease significantly impacts pregnancy), and those on thyroid medications.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"NowExpress","offers":[{"title":"Default Title","offer_id":55596737364136,"sku":null,"price":700.0,"currency_code":"PHP","in_stock":true}],"url":"https:\/\/nowexpress.ph\/products\/t4","provider":"NowExpress","version":"1.0","type":"link"}