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    What is T4 - Total Test?

    A Thyroxine T4 blood test evaluates the functioning of your thyroid gland and helps diagnose specific thyroid conditions. The thyroid, a small butterfly-shaped gland located at the front of the neck, is a critical component of the endocrine system. It produces hormones that regulate energy usage and impact essential functions, including temperature regulation, weight management, mood, heart rate, muscle strength, and growth in children.

    The T4 hormone, or Thyroxine, is produced by the thyroid gland, and this test measures its levels in your bloodstream. Abnormalities in T4 levels—either too high or too low—can be a sign of thyroid issues like hyperthyroidism or hypothyroidism. Monitoring these levels is key to diagnosing and managing thyroid disorders effectively.

    If you are based in Mumbai, you can easily book a Thyroxine T4 test today and get tested without leaving your home.

    T4 - Total Test Parameters

    The Thyroxine T4 test evaluates a single parameter: the concentration of the T4 hormone in your bloodstream.

    Produced by the thyroid gland, T4 is one of the essential thyroid hormones, working alongside T3 to regulate vital bodily functions.

    T4 is present in two forms: ● Free T4 : The active version that acts directly on tissues. ● Bound T4 : Attached to proteins, making it temporarily unavailable for direct use.

    A Total T4 test measures both these forms, giving an overall understanding of thyroxine levels.

    T4 - Total Test Preparation

    When planning a Thyroxine T4 test at home, keep these essential considerations in mind to prepare effectively:

    Prerequisites Fasting is typically not required for the T4 Total test. However, check with your doctor for specific guidance based on your health status or medications.

    Best Time to Get Tested The T4 Total test can be conducted at any time of the day.

    Who Should Get a Thyroxine T4 Test? This test is ideal for people showing thyroid-related symptoms such as mood changes, weight fluctuations, or persistent fatigue. It’s also recommended for those at risk of thyroid issues like hyperthyroidism or hypothyroidism and for routine health monitoring.

    Cautions Before Taking Thyroxine T4 Test No elaborate preparation is needed. However, conditions like pregnancy and the use of certain medications or supplements can impact the results. Share details of any ongoing treatments with your doctor before taking the test.

    Why Take the T4 - Total Test?

    A Thyroxine T4 test is a vital tool for assessing the thyroid gland's functionality and diagnosing thyroid disorders. It is frequently paired with the thyroid-stimulating hormone (TSH) test for a complete evaluation of thyroid health.

    Common Reasons for a T4 Test:Follow-up on Abnormal TSH Results: If TSH levels are irregular, a T4 test helps clarify whether the thyroid or pituitary gland is the source of the imbalance.

    Diagnosing Thyroid Conditions: This test is crucial for identifying:

    • Hypothyroidism (underactive thyroid): Symptoms include fatigue, weight gain, sensitivity to cold, dry skin, depression, and a slow heart rate.

    • Hyperthyroidism (overactive thyroid): Symptoms involve weight loss, rapid heartbeat, sweating, muscle weakness, anxiety, and an enlarged thyroid (goitre).

    Monitoring Thyroid Treatments: For patients receiving thyroid hormone therapy or hyperthyroidism treatments, the T4 test ensures effective regulation of hormone levels.

    Screening in Newborns: A T4 test is used to detect congenital hypothyroidism, an underactive thyroid condition present at birth.

    Evaluating Specific Conditions: The test helps diagnose and manage thyroid nodules, goitre, and dysfunctions of the pituitary gland or hypothalamus, including central hypothyroidism.

    Early detection of thyroid imbalances through a T4 Total test ensures timely treatment and improved overall health.

    FAQs on T4 - Total Test in Mumbai

    The Thyroxine T4 test costs ₹ 350 in Mumbai. It includes home sample collection within 60 minutes of booking, and the results are provided within 6 hours.

    Yes, Orange Health Labs provides convenient home sample collection for the Thyroxine T4 test. Your sample will be collected within 60 minutes after booking, depending on slot availability.

    This test evaluates thyroid function and helps diagnose conditions such as hypothyroidism and hyperthyroidism. It is also used for monitoring thyroid treatment and identifying issues like thyroid nodules or goitre.

    No, fasting is not necessary before taking this test.

    Follow the steps to book the test:

    • Search: Look for the Thyroxine T4 test on the Orange Health website.

    • Confirm: Select the test, review guidelines, add your location, and pick a time for collection.

    • Collection: A trained eMedic collects your sample at home.

    • Analysis: The sample is sent to an accredited lab.

    • Results: Reports are shared within 6 hours via email, WhatsApp, or the app.

    The standard T4 range is 5.53-11.0 µg/dL. However, your doctor should interpret the results in the context of your overall health.

    Reports are delivered within 6 hours of sample collection.

    The frequency varies depending on your thyroid health. Discuss with your doctor to determine how often you should take this test.

    The test measures the total T4 hormone in your blood, covering both free and protein-bound forms.

    Orange Health provides fast and reliable Thyroxine T4 testing services in Mumbai, conducted conveniently at your home - no need to visit a physical laboratory. Our testing service is available in a wide range of localities, including Colaba, Nariman Point, Marine Drive, Malabar Hill, Churchgate, Worli, Dadar, Parel, Byculla, Bandra, Andheri, Juhu, Ghatkopar, Powai, Chembur, Vashi, Belapur, Santacruz, Khar, Versova, Lokhandwala, Goregaon, Borivali, Kandivali, Mulund, Bhandup, Kurla.

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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