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    What is T3 - Free Test?

    The Free Triiodothyronine (Free T3) test evaluates the level of free T3 hormone in your bloodstream. Free T3 is the active form of the thyroid hormone that regulates essential functions like metabolism, energy use, heart rate, weight management, and even mood. Unlike the total T3 test, which measures both bound and unbound T3, the Free T3 test specifically focuses on the unbound, active hormone. This test is especially useful for diagnosing thyroid disorders such as hyperthyroidism (overactive thyroid). Abnormal free T3 levels may indicate thyroid dysfunction or other health issues.

    A Free T3 test in Hyderabad can provide valuable insights into your thyroid health, helping doctors to diagnose and manage thyroid-related conditions more effectively.

    T3 - Free Test Parameters

    The Free T3 (FT3) test evaluates only one parameter: the level of unbound/free T3 hormone in the blood. T3 is a vital thyroid hormone that regulates metabolism. Around 99.7% of T3 in the bloodstream is protein-bound and inactive, while only a small portion is free and biologically active. The FT3 test measures this active fraction to assess thyroid health. A feedback loop between the pituitary gland and thyroid controls TSH and thyroid hormone levels. If T3 and T4 drop, TSH rises to boost production; when T3 and T4 are high, TSH decreases. The FT3 test is particularly valuable in diagnosing hyperthyroidism, a condition caused by excessive thyroid hormone levels.

    T3 - Free Test Preparation

    If you’re planning a Free T3 test in Hyderabad, keep the following in mind:

    • Prerequisites: Fasting is not mandatory before an FT3 test.

    • Best Time to Get Tested: The test can be performed at any time during the day.

    • Who Should Get a Free T3 Test: The FT3 test is suitable for individuals experiencing hyperthyroid symptoms, those on thyroid medication requiring treatment monitoring, or those with abnormal TSH or T4 levels needing confirmation of hyperthyroidism.

    • Cautions Before Taking a Free T3 test: There’s no special preparation for this test, but some drugs or supplements might affect accuracy. It’s best to discuss with your doctor if any should be stopped before testing.

    Why Take the T3 - Free Test?

    A Free T3 (FT3) test is recommended for several situations:

    • Identifying Symptoms of Hyperthyroidism

      • Enlarged thyroid gland (goitre)

      • Sweating or feeling overly sensitive to heat

      • Anxiety, irritability, or restlessness

      • Unexplained weight loss with increased appetite

      • Irregular heartbeat (arrhythmia)

      • Shaky hands or muscle weakness

      • Difficulty sleeping or persistent fatigue

      • Frequent bowel movements

    • Monitoring Thyroid Medication : For individuals on thyroid treatments, the FT3 test helps verify that hormone levels are balanced correctly.

    • Investigating Abnormal Results : It may be needed to confirm hyperthyroidism after unusual TSH or T4 test results.

    FAQs on T3 - Free Test in Hyderabad

    The Free T3 test in Hyderabad is priced at ₹380, inclusive of home sample collection within 60 minutes after booking confirmation. Results are available within 6 hours post-sample collection.

    Absolutely. Once you book your Free T3 test, an eMedic will visit your provided address within 60 minutes to collect the sample.

    This test evaluates the free T3 hormone levels in the blood to determine thyroid function and detect thyroid-related conditions.

    There is no need to fast before a Free T3 test.

    Follow these steps to book your FT3 test in Hyderabad:

    • Find the Test: Search for the Free T3 test in Hyderabad and select the Orange Health link from the results.

    • Confirm Your Booking: Choose the test, review any required preparations, provide your address, and schedule a convenient time for collection.

    • Sample Collection at Home: A trained eMedic will visit your address to collect the sample at the agreed time.

    • Laboratory Analysis: The collected sample will be processed at our NABL-accredited, ICMR-approved laboratory.

    • Receive Test Results: Your test results will be shared with you via WhatsApp, email, and our app within 6 hours of sample collection.

    The normal Free T3 range is 2.77-5.27 pg/mL.

    Once you book your Free T3 test at home, a trained Orange Health Labs eMedic will collect your sample within 60 minutes of confirmation. The sample collection takes less than 5 minutes, and results will be available online within 6 hours.

    The frequency of an FT3 test depends on your doctor’s advice based on your health condition.

    This test measures one parameter: the free T3 hormone level in your bloodstream. 1

    Orange Health offers speedy Free T3 test services in Hyderabad with home sample collection. Key localities covered include Banjara Hills, Jubilee Hills, Gachibowli, Madhapur, Hitech City, Kondapur, Begumpet, Somajiguda, Ameerpet, Panjagutta, Kukatpally, Miyapur, Manikonda, Secunderabad, Tarnaka, Abids, Koti, Mehdipatnam, Dilsukhnagar, Uppal, LB Nagar, Nallagandla, Nizampet, Attapur, Malkajgiri.

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    • We do not accept cash payments
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    • Refunds will be credited back to the source of payment within 3 hours 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
    4. . FT3 Test in Hyderabad | Home Sample Collection in 60 min [Internet]. Orange Health [cited 2024 Nov 05].  Available from:  https://www.orangehealth.in/lab-test-bangalore/t3-free