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    What Is a Free T3 (FT3) Test?

    The Free T3 (FT3) test measures the levels of unbound triiodothyronine (T3) hormone in the blood. T3 is produced by the thyroid gland and plays a vital role in regulating metabolism, heart rate, and body temperature.

    This test evaluates the active form of T3 that is not bound to proteins and is freely available to tissues. FT3 is especially useful for diagnosing hyperthyroidism and monitoring thyroid treatment.

    Orange Health Labs offers convenient at-home sample collection for Free T3 testing in major cities, with fast and reliable report delivery.

    Free T3 (FT3) Test Price

    The FT3 (Free T3) test cost is around Rs. 380/- The test price usually includes home sample collection within 60 mins of booking. FT3 (Free T3) test price may also vary according to the city the test is booked,

    Free T3 (FT3) Test Cost Across India

    S.NoTest In CityPrice
    1T3 - Free Test in Bangalore₹ 380
    2T3 - Free Test in Gurgaon₹ 380
    3T3 - Free Test in Delhi₹ 380
    4T3 - Free Test in Hyderabad₹ 380
    5T3 - Free Test in Mumbai₹ 380
    6T3 - Free Test in Noida₹ 380
    7T3 - Free Test in Pune₹ 380

    Free T3 (FT3) Test Preparation

    No special preparation or fasting is required for the FT3 (Free T3) test.

    Who Should Get This Test?

    • Individuals with suspected thyroid dysfunction

    • People with abnormal TSH or FT4 results

    • Patients being monitored for hyperthyroidism treatment

    During the Test:

    • A phlebotomist will draw blood from a vein in your arm

    • The collection process takes under 5 minutes

    After the Test:

    • Mild bruising may occur

    • Results will be available within 6 hours via email or WhatsApp

    Why Take a Free T3 (FT3) Test?

    A Free T3 test may be recommended for individuals showing symptoms of hyperthyroidism or when TSH levels are abnormal.

    Common symptoms indicating the need for this test include:

    • Rapid heartbeat or palpitations

    • Anxiety and difficulty sleeping

    • Weight loss without clear cause

    • Hand tremors or weakness

    • Heat sensitivity and excessive sweating

    • Visual disturbances or bulging eyes

    • Diarrhea in some cases

    The FT3 test is often ordered alongside TSH and FT4 as part of a full thyroid function panel.

    Free T3 (FT3) Test Results & Interpretation

    The Free T3 test determines whether T3 levels are within the normal range, which helps identify thyroid disorders.

    Normal Range:

    • Free T3: 4.26–8.10 pmol/L

    Results Interpretation:

    • Elevated FT3 suggests hyperthyroidism, often accompanied by suppressed TSH levels

    • Low FT3 may be linked to hypothyroidism or other non-thyroidal illnesses

    • FT3 is used when FT4 and TSH values are borderline or inconclusive

    Consult your doctor to evaluate results in the context of clinical symptoms and treatment plans.

    Free T3 Test Overview

    Test NameT3 - Free Test
    PriceThe T3 - Free Test price is ₹ 380.
    Also Known AsTriiodothyronine test, T3 test, thyroid function test, FT3, Thyroid function test, Total triiodothyronine, Free triiodothyronine, TT3, Radioimmunoassay FT3 1,2
    PurposeTo measure Level of triiodothyronine (T3) hormone
    Pre-test InformationFasting is not required for a T3 - 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 T3 - Free Test
    4.9
    Google Rating

    Highest Rated Diagnostic Lab

    • 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
    • It was excellent. The person who came to collect Mr. Surya was very good. And very professional.
      Girija Karthik7 Dec 2023 • Bangalore
      5.0
    • Punctual. Technician is polite, courteous and efficient. Needle pricking is painless and results of the tests are given very fast. I am fully impressed. Me and 4 more family members have been availing Orange services for the past two years. Excellent service.
      Chivukula Baskar17 Feb 2024 • Bangalore
      5.0
    • Technicians are very prompt. Wide variety of tests offered. Results are quick (e.g. FBT results in 6 hrs), with all reports available centrally in an app. And, the smart uniforms of their technicians, )who are also skilled and courteous) brings a degree of professionalism unlike other service providers.
      Mahesh Khambadkone14 Oct 2023 • Bangalore
      5.0
    • Always impressed by their quality of service, punctuality, ease of use accuracy and speed of reports. Truly game changing for the industry. I wonder why anyone would use any other service/ company for this.
      ankita gandhi23 Dec 2023 • Bangalore
      5.0
    • Well tuned procedure to book the blood test.moderately price d,sample collection at your home by professionally sound staff , painless ensuring perfect hygiene, report with in 6 hours.and follow up in offer ,thanks for the excellent service. Ji
      SID Peter19 Jan 2024 • Bangalore
      5.0
    • I got a reference from my office mates, Mr.Harish the sample collector was very helpful, Main thing is He’s on time and very friendly, I’ll surely refer more people bcz of Mr.Harish
      Naveen Kumar5 Feb 2024 • Bangalore
      5.0
    • Orange Health team collected the sample on scheduled time, and received updates at every stage and very cost effective compare to other labs/Hospital. Highly recommend this lab to everyone
      Thiru Karikalan9 Feb 2024 • Bangalore
      5.0
    • Had an e-consultation at 8 pm, Doctor has prescribed few blood tests (incl Dengue). Orange Health Lab to the rescue. I found a 9:30 pm slot and surprisingly the phlebotomist reached much earlier at 8:45 pm, samples were collected & he left by 9, I got my CBC-Hemogram by 11:30 pm & Dengue report by 3 am. THEY ARE SO FAST & EFFICIENT. Also got a good discount on the otherwise expensive Dengue test. A BIG THANK YOU FROM THE DEPTH OF THE HEART 🙏 Their whatsapp support is also quick & responsive.
      Sandeep Bhat2 Dec 2023 • Bangalore
      5.0
    • My experience with Orange Health Labs has been great and very user friendly application they have and very easily we can book appointments. We booked an appointment with Mohammad Adam from Orange Labs and he was the one that arranged everything that we needed.
      Jyothi Kamath31 Oct 2023 • 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. Bound and Unbound T3. [Internet]. Rochester Medical Center. [cited 2024 Nov 05].  Available from:  https://www.urmc.rochester.edu/encyclopedia/content.aspx?ContentTypeID=167&ContentID=t3_free_and_bound_blood
    2. T3 tests. [Internet]. Medline Plus. [cited 2024 Nov 05]. Available from:  Available from:  https://medlineplus.gov/lab-tests/triiodothyronine-t3-tests/
    3. Free T3 test. [Internet]. Pathology Tests Explained. [cited 2024 Nov 05].  Available from:  https://pathologytestsexplained.org.au/ptests-pro.php?q=Free+T3+%28triiodothyronine%29
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