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    Homefree t4 test
    T4 - Free₹790₹50037% off
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    What Is a Free T4 (FT4) Test?

    The Free T4 (FT4) test measures the level of unbound thyroxine (T4) hormone in the blood. T4 is produced by the thyroid gland and plays a vital role in regulating metabolism and growth.

    This test specifically evaluates the free (biologically active) form of thyroxine, which is not bound to proteins and can directly affect body cells. It helps in diagnosing thyroid disorders such as hypothyroidism and hyperthyroidism, and in monitoring treatment effectiveness in patients with known thyroid conditions.

    Orange Health Labs provides convenient at-home sample collection for Free T4 tests across multiple cities, with rapid report delivery.

    Free T4 (FT4) Test Price

    The cost of the Free T4 test is generally around ₹350, though it may vary depending on the city where the order is placed. Prices include home collection.

    Free T4 Test Cost Across India

    S.NoTest In CityPrice
    1T4 - Free Test in Bangalore₹ 500
    2T4 - Free Test in Gurgaon₹ 400
    3T4 - Free Test in Delhi₹ 400
    4T4 - Free Test in Hyderabad₹ 690
    5T4 - Free Test in Mumbai₹ 410
    6T4 - Free Test in Noida₹ 400
    7T4 - Free Test in Pune₹ 410

    Free T4 (FT4) Test Preparation

    No special preparation is needed for the Free T4 test. Fasting is not required.

    Who Should Get This Test?

    • Individuals with symptoms of thyroid dysfunction

    • Patients with abnormal TSH results

    • Those on thyroid hormone therapy

    • Pregnant women with thyroid conditions

    During the Test:

    A healthcare professional will draw a blood sample from a vein in your arm The collection process typically takes less than 5 minutes

    After the Test:

    • Mild bruising or discomfort may occur

    • Samples are sent to the lab, and results are usually available within 6 hours

    Why Take a Free T4 (FT4) Test?

    Your doctor may recommend a Free T4 (FT4) test if you show signs of an underactive or overactive thyroid or have abnormal TSH levels.

    Signs of Hyperthyroidism (Overactive Thyroid):

    • Rapid heartbeat

    • Anxiety and insomnia

    • Weight loss

    • Tremors or shakiness

    • Heat sensitivity and excessive sweating

    • Visual disturbances or bulging eyes

    • Menstrual irregularities

    Signs of Hypothyroidism (Underactive Thyroid):

    • Weight gain

    • Fatigue

    • Cold intolerance

    • Constipation and dry skin

    • Hair thinning or loss

    • Puffy skin

    • Irregular periods

    The FT4 test is also used in pregnancy and to monitor ongoing thyroid treatment.

    Free T4 (FT4) Test Results & Interpretation

    Free T4 test results help determine thyroid function and guide diagnosis when interpreted with other tests such as TSH.

    Normal Reference Range:

    Free T4 : 0.78–2.19 ng/dL

    Interpretation Guide:

    • High FT4: May indicate hyperthyroidism (overactive thyroid), often due to Graves' disease or thyroiditis

    • Low FT4: May indicate hypothyroidism (underactive thyroid), often linked to Hashimoto's thyroiditis or pituitary dysfunction

    FT4 levels should always be interpreted in conjunction with TSH and clinical symptoms.

    Additional testing may include:

    • Thyroid Function Test

    • TSH (Thyroid Stimulating Hormone)

    • TPO (Thyroid Peroxidase Antibody)

    Free T4 Test Overview

    Test NameT4 - Free Test
    PriceThe T4 - Free Test price is ₹ 500.
    Also Known AsFree Thyroxine test, Free T4 concentration, Free T4 index (FTI)
    PurposeTo measure the levels of free thyroxine (T4) hormone.
    Pre-test InformationFasting is not required for a T4 - Free Test
    Report DeliveryGet reports within 3 hours.
    FrequencyAs prescribed by your doctor.
    Home TestingYes, home blood sample collection in 60 minutes from booking.
    Sample RequiredA blood sample is required for a T4 - Free Test
    4.9
    Google Rating

    Highest Rated Diagnostic Lab

    • Had booked blood test for my family (family of three). The technician was on time and very organized. Their updates are regular, right from assigning the technician to providing the final report. Would definitely recommend Orange health labs' service for those who do not have the time to get to a health center and would like to get it done at their leisure, in a very safe, secure and hygiene setup (our homes) coupled with extremely professional service.
      Venkat K10 Oct 2023 • Bangalore
      5.0
    • I rate 5 starts for technicians cleanliness n hygiene..all tests cost is also reasonable as compared to others👍🏻😊 satisfied with orange labs
      Ayesha Nasreen11 Feb 2024 • Bangalore
      5.0
    • Our overall experience was great. The person who came for sample collection was very good and punctual. We received the reports in 6 hours which really amazed me. I would highly recommend them due to their great customer service.
      anuj mishra13 Feb 2024 • Bangalore
      5.0
    • My experience with Orange Health Labs has been very good so far. Seamless booking through their app. Home collection staff are very punctual. Reports are received on time. The rates are also very reasonable. Overall, this is a very convenient way to get your tests done sitting at home. I definitely recommend this place to everyone.
      Anuradha Iyer17 Oct 2023 • Bangalore
      5.0
    • I got the tests done with reasonable price. A person stepped in by 6 30 AM to collect the blood sample.Really I thank Dr Lahari for referring Orange Health Labs.
      Naga Sudheer Madduru9 Dec 2023 • Bangalore
      5.0
    • Very timely, professional and super fast report delivery. Cost wise as well they are very competitive. I rarely give five stars.
      Vijay Kumar Venkatachalam14 Oct 2023 • Bangalore
      5.0
    • Had a great experience with them. The process was quite smooth and even the reports were pretty quick.
      Samriddhi Singh1 Feb 2024 • Bangalore
      5.0
    • Technician was very Professional! Fastest turnover and received my Test reports under 4 hours. Appreciate your service!!
      Suresh Raju11 Feb 2024 • Bangalore
      5.0
    • I booked blood test for my 8 year old son..the action was very quick from the orange labs and they collected blood at ease and the reports were also very quick.Totally worth and am satisfied with the work done by the orange labs.I would like to thank Mr.Mahesh who came to collect the blood..Thank u so much orange health labs
      Preethi Pratheek30 Nov 2023 • Bangalore
      5.0
    • Prompt and trustworthy service. I was bedridden and got my test done at home and results were out within 3-4 hours. Highly recommend
      Fahad Salim4 Feb 2024 • Bangalore
      5.0

    Payment & Refund Policy

    • We do not accept cash payments
    • All modes of online payment are accepted
    • Refunds will be credited back to the source of payment within 5-7 working days of order cancellation.

    References

    1. T4 (thyroxine) Test. Cleveland Clinic. 2022  Available from:  https://my.clevelandclinic.org/health/diagnostics/24235-thyroxine-t4-test
    2. Thyroxine (T4) Test [Internet]. Medlineplus.gov. 2022  Available from:  https://medlineplus.gov/lab-tests/thyroxine-t4-test/
    3. Free T4 - Health Encyclopedia - University of Rochester Medical Center [Internet].  Available from:  https://www.urmc.rochester.edu/encyclopedia/content.aspx?contenttypeid=167&contentid=free_t4_thyroxine
    4. Endocrine Society. Thyroid and Parathyroid Hormones [Internet].  Available from:  https://www.endocrine.org/patient-engagement/endocrine-library/hormones-and-endocrine-function/thyroid-and-parathyroid-hormones
    5. Free T4 test Information | Mount Sinai - New York [Internet].  Available from:  https://www.mountsinai.org/health-library/tests/free-t4-test
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