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Book FREE T4 (FT4) test in Kolkata

Patient Preparation:No special preparation is required

FREE T4 (FT4) in Kolkata
This test measures the free form of T4 hormone (FT4) in your blood
  • Why Take this Test

    Free T4 is the metabolically active fraction of thyroxine. This assay is useful for diagnosing both Hypo / Hyperthyroidism.

  • Is this Test For You

    Your doctor will recommend this test for you if you have the symptoms of hypo or hyper-thyroidism.

    Symptoms of Hypothyroidism:

    Sudden Weight Gain

    Dry Skin


    Puffy Skin

    Hair Loss


    Menstrual Irregularity

    Symptoms of Hyperthyroidism:

    Increased Heart Rate


    Weight Loss


  • More Information

    Thyroxine (T4) is a hormone, secreted by the thyroid gland (small, butterfly-shaped gland located in front of the neck). The T4 hormone is essential for growth and metabolism. T4 circulates in the blood in two forms: free form (FT4) and bound form.

Sample: Serum (2 mL)

Methodology: CLIA