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    What is T4 - Total Test?

    The Thyroxine T4 blood test is used to evaluate the function of the thyroid gland, which aids in the diagnosis of certain thyroid conditions. The thyroid is a tiny gland (shaped like a butterfly) located at the front of the neck. It is an essential part of the endocrine system, responsible for producing hormones that regulate how your body uses energy and affect functions like temperature, weight, mood, heart rate, muscle strength, and growth in children.

    Thyroxine (T4) is a hormone produced by the thyroid gland. A Thyroxine T4 test measures the amount of this hormone in your blood. Abnormal T4 levels, whether too high or too low, can signal thyroid dysfunction, such as hypothyroidism or hyperthyroidism. Therefore, this test is vital for diagnosing and managing thyroid-related health issues effectively.

    If you are in Bangalore and want to evaluate your thyroid health, book a Thyroxine T4 test today all from the comfort of your home.

    T4 - Total Test Parameters

    The Thyroxine T4 test measures a single parameter: the concentration of T4 hormone in the blood.

    T4 is a key hormone produced by the thyroid gland and released into the blood. Alongside smaller amounts of triiodothyronine (T3), these hormones, collectively called thyroid hormones regulate essential body functions.

    T4 is found in two distinct forms:

    Free T4

    The active form, which has a direct effect on tissues.

    Bound T4

    Attached to proteins, preventing direct tissue interaction.

    A Total T4 test measures both free and bound T4, offering an overall view of thyroxine levels.

    T4 - Total Test Preparation

    When scheduling a Thyroxine T4 test at home, keep the following points in mind:

    • Prerequisites

    In most cases, fasting is not required before a T4 Total test. However, consult your doctor for specific recommendations based on your health condition or medications.

    • Best Time to Get Tested

    You can book the T4 Total test at any time of the day.

    • Who Should Get a Thyroxine T4 Test?

    The T4 Total test is recommended for those with thyroid symptoms (e.g., weight changes, fatigue, mood swings) or those at risk of thyroid conditions like hypothyroidism or hyperthyroidism. It may also be used for routine thyroid assessments.

    • Cautions Before Taking Thyroxine T4 Test

    Generally, no special preparation is required. However, factors such as pregnancy, medications and supplements can influence the results. Therefore, be sure to inform your doctor about any ongoing medications or health conditions before the test.

    Why Take the T4 - Total Test?

    A Thyroxine T4 test is essential for evaluating thyroid function and diagnosing conditions that affect your thyroid gland. It is often used alongside other tests, such as the thyroid-stimulating hormone (TSH) test, to provide a comprehensive assessment of thyroid health.

    Common Reasons for a T4 Test:

    • Follow-up on Abnormal TSH Results : If your TSH test results are abnormal, a T4 test helps pinpoint whether the issue lies with the thyroid or the pituitary gland.

    • Diagnosing Thyroid Conditions : The test is crucial for identifying:

    • Hypothyroidism (underactive thyroid) : A condition where your thyroid doesn’t produce enough hormones, leading to symptoms such as fatigue, weight gain, dry skin, cold sensitivity, slow heart rate, and depression.

    • Hyperthyroidism (overactive thyroid) : A condition where your thyroid produces too much hormone, causing symptoms like weight loss, anxiety, sweating, muscle weakness, rapid heartbeat, and an enlarged thyroid (goitre).

    • Monitoring Thyroid Treatments : For individuals on thyroid hormone replacement therapy or treatment for hyperthyroidism, the T4 test helps monitor hormone levels to ensure proper management.

    • Screening in Newborns : A T4 test is used to check for congenital hypothyroidism, a condition where the thyroid is underactive from birth.

    • Evaluating Specific Conditions : The test aids in diagnosing and managing conditions like thyroid nodules, goitre, and disorders of the pituitary gland or hypothalamus. It can also assess central hypothyroidism, which occurs due to pituitary or hypothalamic dysfunction.

    By identifying thyroid imbalances early, a T4 Total test allows for timely diagnosis and treatment, helping you maintain overall health and well-being.

    FAQs on T4 - Total Test in Bangalore

    The Thyroxine T4 test is priced at ₹ 350. This cost covers hassle-free home sample collection, conducted within 60 minutes of booking, with test results delivered in just 6 hours for a seamless diagnostic experience.

    Yes, Orange Health Labs provides home sample collection for the Thyroxine T4 test in Bangalore. Once the test is confirmed, your sample will be collected within 60 minutes, based on slot availability.

    A Thyroxine T4 test helps to evaluate the thyroid gland's function. It helps diagnose conditions like hypothyroidism and hyperthyroidism, monitor thyroid hormone replacement therapy, and assess thyroid-related issues such as goitre or thyroid nodules.

    No, fasting is not necessary for a T4 Total test at home.

    Booking your Thyroxine T4 test is quick and easy:

    • Search for the Test : Look for the Thyroxine T4 test in Bangalore or opt for home testing and select the relevant page on Orange Health’s website.

    • Confirm Booking : Select the test, review any preparation instructions, enter your location, and choose a convenient time for sample collection.

    • Sample Collection : At the scheduled time, a qualified eMedic will come to your house to take your sample.

    • Laboratory Processing : Your blood sample for the T4 test will be sent to an ICMR-approved and NABL-accredited laboratory for evaluation.

    • Receive Results : You will receive your reports through email or WhatsApp within 6 hours, and they will also be available on the Orange Health app.

    The normal range for Thyroxine T4 levels typically falls between 5.53-11.0 µg/dL. However, it is important to consult with your doctor for interpretation based on your specific results.

    After your T4 Total test is confirmed, an eMedic from Orange Health Labs will come to your location for sample collection within 60 minutes. The sample collection process is quick, and you’ll receive your results online within 6 hours.

    The frequency of T4 Total tests varies based on individual health concerns, thyroid conditions, and risk factors. 3 To establish the right testing schedule for you, it is essential to discuss your symptoms and medical history with your doctor.

    The Thyroxine T4 test measures only one parameter: the total T4 (bound and free T4) concentration in blood.

    Orange Health provides fast and reliable Thyroxine T4 testing services in Bangalore, conducted conveniently at your home - no need to visit a physical laboratory. Our testing service is available in a wide range of localities, including Adugodi, Banashankari, Bannerghatta, Basavanagudi, Bellandur, BTM Layout, Chamrajpet, Cottonpet, CV Raman Nagar, Frazer Town, Giri Nagar, Hebbal, Domlur, Hennur, Hosur, HSR Layout, Electronic City, Jakkur, Jalahalli, Jaya Nagar, Kadugodi, Kammanahalli, Kengeri, Koramangala, Mahalakshmi Layout, Madiwala, Magadi Road, Malleshwaram, Marathahalli, Mathikere, Mysore Road, Nagarbhavi, Nandhini Layout, Old Airport Road, Peenya, RT Nagar, Rajaji Nagar, Rajarajeshwari Nagar, Sadashivnagar, Sahakara Nagar, Sanjay Nagar, Sarjapur, Seshadripuram, Shanthi Nagar, Shivaji Nagar, Sri Nagar, Tyagarajnagar, Uttarahalli, Vasanth Nagar, Vidyaranyapura, Vijaya Nagar, Whitefield, Yelahanka, and Yeshwantpur.

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    References

    1. Thyroxine (T4) Test [Internet]. MedlinePlus.  Available from:  https://medlineplus.gov/lab-tests/thyroxine-t4-test/
    2. T4 (Thyroxine) Test [Internet]. Cleveland Clinic.  Available from:  https://my.clevelandclinic.org/health/diagnostics/24235-thyroxine-t4-test