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    What is T3 - Free Test?

    The Free Triiodothyronine (Free T3) test measures the amount of free T3 hormone circulating in your blood. Free T3 is the active form of the hormone that plays a critical role in regulating metabolism, energy levels, heart rate, weight, and mood. Unlike the total T3 test, which measures both bound and unbound T3, the Free T3 test focuses on the T3 that is directly available for your body’s use. This test is vital in diagnosing thyroid disorders, such as hyperthyroidism (overactive thyroid), and assessing overall thyroid function. Abnormal free T3 levels can signal thyroid imbalances or related health conditions.

    A Free T3 test in Delhi can provide crucial information about your thyroid health and help guide treatment plans for thyroid-related issues.

    T3 - Free Test Parameters

    The FT3 test measures only one parameter: the level of free T3, the active thyroid hormone that regulates metabolism. Only 0.3% of T3 in the bloodstream is free and biologically active, while the rest is protein-bound. By focusing on this unbound fraction, the FT3 test provides an accurate picture of thyroid function. The body’s thyroid regulation relies on a feedback system involving the pituitary gland and TSH. When T3 and T4 levels decrease, TSH increases to stimulate thyroid hormone production. Conversely, when T3 and T4 are elevated, TSH secretion reduces. The FT3 test is a key diagnostic tool for hyperthyroidism, offering essential insights into thyroid hormone activity and potential dysfunctions.

    T3 - Free Test Preparation

    When scheduling a Free T3 test in Delhi, note the following:

    • Prerequisites: Fasting is not necessary for an FT3 test.

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

    • Who Should Get a Free T3 Test: The FT3 test is recommended for individuals showing hyperthyroidism symptoms, those undergoing thyroid treatment, or patients with abnormal TSH or T4 levels needing further assessment.

    • Cautions Before Taking a Free T3 test: No special preparation is needed for this test, but certain supplements or medications may interfere with results. Consult your doctor for guidance on pausing any treatments in advance.

    Why Take the T3 - Free Test?

    A Free T3 (FT3) test may be recommended for:

    • Checking Hyperthyroidism Symptoms

      • Unexplained weight loss with increased appetite

      • Sensitivity to heat or excessive sweating

      • Fatigue or trouble sleeping

      • Frequent bowel movements

      • Enlarged thyroid gland (goitre)

      • Muscle weakness or hand tremors

      • Anxiety, nervousness, or irritability

      • Irregular heartbeat (arrhythmia)

    • Thyroid Treatment Monitoring : If you’re taking thyroid medications, this test ensures your hormone levels remain within the desired range.

    • Following Up on Abnormal Tests : The FT3 test may confirm or rule out hyperthyroidism if TSH or T4 levels are abnormal.

    FAQs on T3 - Free Test in Delhi

    The Free T3 test in Delhi costs ₹380 , which includes home sample collection within 60 minutes of confirming your booking. Test results will be provided within 6 hours after the sample is collected.

    Yes, home sample collection is available. After booking your Free T3 test, an eMedic will arrive at your specified address within 60 minutes to collect the sample.

    A Free T3 test measures the levels of free T3 in your blood. It helps assess thyroid function and diagnose thyroid disorders effectively.

    Fasting is not required before taking the Free T3 test.

    Booking a Free T3 test in Delhi with Orange Health Labs is simple:

    • Locate the Test: Search for the Free T3 test in Delhi on our platform and visit the Orange Health webpage.

    • Review and Confirm Details: Choose the test, check for any necessary prerequisites, enter your address, and select a preferred time for sample collection.

    • Home Sample Collection: A skilled eMedic will arrive at your location at the chosen time to collect your sample.

    • Laboratory Processing: Your sample will be tested at our NABL-accredited, ICMR-approved lab.

    • Get Your Results: FT3 test results will be sent to you via WhatsApp, email, and can also be viewed in the app within 6 hours after collection.

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

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

    Your doctor will determine how frequently you need an FT3 test based on your health condition and needs.

    The FT3 test measures a single parameter: the free T3 hormone level in your blood. 1

    Orange Health provides the quickest Free T3 test services in Delhi, with home sample collection that eliminates the need for a laboratory visit. Areas covered include Connaught Place, Chandni Chowk, Karol Bagh, Lajpat Nagar, South Extension, Greater Kailash, Hauz Khas, Saket, Vasant Kunj, Dwarka, Rohini, Pitampura, Janakpuri, Rajouri Garden, Mayur Vihar, Preet Vihar, Shahdara, Laxmi Nagar, Green Park, Safdarjung Enclave, Defence Colony, New Friends Colony, Kalkaji, Malviya Nagar, Nehru Place.

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    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 Delhi | Home Sample Collection in 60 min [Internet]. Orange Health [cited 2024 Nov 05].  Available from:  https://www.orangehealth.in/lab-test-bangalore/t3-free