{"product_id":"t4-total","title":"T4 Total","description":"\u003cp data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eT4 Total Test\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a blood test that measures the total amount of thyroxine (T4) hormone in the bloodstream, including both protein-bound and unbound T4.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThyroxine is produced by the thyroid gland and plays an important role in regulating metabolism, energy production, growth, and body temperature.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis test helps healthcare professionals evaluate thyroid function and investigate possible thyroid disorders.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWhat Does This Test Check?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMeasures total thyroxine (T4) levels in the blood.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHelps assess thyroid gland function.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSupports the investigation of hypothyroidism (underactive thyroid).\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHelps evaluate suspected hyperthyroidism (overactive thyroid).\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMay be used alongside TSH and T3 tests for thyroid assessment.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eSample Requirements\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSample Type:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Clotted Blood or Serum\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eRequired Quantity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 2–3 ml\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDepartment:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Clinical Chemistry \/ Hormone Testing\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003ePatient Preparation\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFasting is generally not required unless instructed by your doctor or laboratory.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eInform your healthcare provider about thyroid medications and supplements, especially biotin.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePregnancy, oral contraceptives, and certain medications may affect total T4 levels.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFollow any specific sample collection instructions provided by the laboratory.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eImportant Information\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eTotal T4 levels can be affected by changes in thyroid-binding proteins, even when actual thyroid function is normal. Results should be interpreted alongside TSH, Free T4, medical history, and clinical findings. An abnormal result alone does not establish a thyroid diagnosis.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eReporting Time:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e To be confirmed by the laboratory.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePlease confirm test availability and sample collection requirements with the laboratory before booking.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"London Pharmacy Global Pakistan","offers":[{"title":"Default Title","offer_id":68025836732668,"sku":"LAB-428","price":1380.0,"currency_code":"PKR","in_stock":true}],"url":"https:\/\/www.londonpharmacy.com.pk\/products\/t4-total","provider":"My Store","version":"1.0","type":"link"}