{"product_id":"ft4","title":"FT4 (ECLIA)","description":"\u003cdiv class=\"test-description\"\u003e\n  \u003cp class=\"test-lead\"\u003eThe Free T4 test measures the unbound, active fraction of thyroxine — giving a more accurate assessment of thyroid function than total T4 in most clinical situations.\u003c\/p\u003e\n  \u003ch3\u003eWhat does this test check?\u003c\/h3\u003e\n  \u003cp\u003eQuantifies free T4, the fraction of thyroxine not bound to transport proteins, which is the form available to enter cells and be converted to active T3.\u003c\/p\u003e\n  \u003ch3\u003eWhy get tested?\u003c\/h3\u003e\n  \u003cp\u003eFree T4 is the preferred T4 measurement in clinical practice because it is not affected by protein binding changes due to pregnancy, liver disease, or medications. It accurately reflects the amount of hormone available for use.\u003c\/p\u003e\n  \u003ch3\u003eWho should get this test?\u003c\/h3\u003e\n  \u003cp\u003ePatients with abnormal TSH results, those with symptoms of hypothyroidism or hyperthyroidism, pregnant women requiring thyroid monitoring, and anyone on levothyroxine (T4) replacement therapy.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"NowExpress","offers":[{"title":"Default Title","offer_id":55596737691816,"sku":null,"price":850.0,"currency_code":"PHP","in_stock":true}],"url":"https:\/\/nowexpress.ph\/products\/ft4","provider":"NowExpress","version":"1.0","type":"link"}