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    What is Free T4 (FT4) Test?

    The thyroid, a gland located at the base of the neck, produces the hormones triiodothyronine and thyroxine (T3 and T4, respectively). Thyroid hormones circulate in two forms in blood: free and bound. 1 The Free Thyroxine (FT4) test measures the unbound form of thyroxine.

    Thyroid hormones help regulate the way your body uses energy. They influence essential body functions, such as metabolism, body temperature, weight, heart rate, muscle strength, mood, and, in children, growth.

    Testing free T4 is considered a more accurate indicator of thyroid function than the total T4 test, which measures both free and bound T4. The FT4 test is commonly used alongside other tests to diagnose and monitor thyroid-related conditions.

    If you are someone who lives in Bangalore seeking to assess your thyroid function, scheduling an FT4 test at home can be convenient for health evaluation.

    Free T4 (FT4) Test Parameters

    The FT4 test measures only one parameter: the concentration of free thyroxine (T4) hormone in the bloodstream. 2 Free T4 is the active form of thyroxine that directly enters your tissues where it is needed. In contrast, bound T4 is attached to specific proteins, preventing it from entering your tissues.

    The production of T4 is regulated by a system involving your brain: the hypothalamus (an organ in the brain) sends a signal to the pituitary gland, which then directs the thyroid to make T4. This hormone influences key body functions, such as metabolism, weight regulation, and energy levels.

    Free T4 (FT4) Test Preparation

    Preparing for an FT4 test at home is hassle-free with the following considerations:

    • Prerequisites

    The FT4 test does not require any special preparations such as fasting.

    • Best Time to Get Tested

    An FT4 test can be done at any time of the day.

    • Who Should Get an FT4 Test

    An FT4 test is recommended for individuals showing signs of thyroid dysfunction, such as unexplained weight changes, fatigue, or irregular heart rates. It is also useful for those with a known thyroid condition, pregnant women, or individuals undergoing treatment for thyroid disorders.

    • Cautions Before Taking a Free T4 Test

    Certain medications, such as steroids or birth control pills, can affect T4 levels. It’s important to inform your doctor of any medicines you’re taking before the test. Additionally, severe chronic illnesses, such as liver cirrhosis, may influence test results.

    Why Take the Free T4 (FT4) Test?

    An FT4 test may be included as part of a thyroid panel for a comprehensive thyroid function evaluation. Here are some reasons the test can be helpful:

    • To diagnose thyroid-related conditions such as hyperthyroidism (overactive thyroid) or hypothyroidism (underactive thyroid).

    • To monitor the effectiveness of ongoing treatment for a thyroid disorder.

    • To provide more information about thyroid function if a TSH test shows abnormal results.

    • To investigate symptoms of hyperthyroidism, which may include anxiety, weight loss, rapid heart rate, and increased sensitivity to heat.

    • To explore symptoms of hypothyroidism, such as weight gain, fatigue, cold sensitivity, and dry skin.

    • To assess thyroid function in cases of pituitary gland disorders, which may affect T4 levels

    Free T4 (FT4) Test Results and Interpretation

    The interpretation of Free T4 (FT4) test results is essential for assessing thyroid function and diagnosing thyroid-related conditions. Here is how the test results can be interpreted:

    ParameterBiological ReferenceInterpretation
    Thyroxine (T4), Free0.78-2.19 ng/dLA higher-than-normal T4 level may result from conditions involving an overactive thyroid, such as Graves’ disease, thyroiditis, taking excessive thyroid hormone medication, toxic thyroid nodules or toxic goitre, certain tumours of the testes or ovaries (rare), receiving medical imaging tests with contrast dye that contains iodine (rare, and only in persons with a thyroid issue), or consuming an unusually high amount of iodine-rich foods (very rare). 6 A lower-than-normal T4 level may indicate hypothyroidism (disorders related to an underactive thyroid, e.g., Hashimoto disease), malnutrition or fasting, severe acute illness, or the use of specific medications. 6

    Understanding your FT4 test results is key to identifying and managing thyroid disorders. A result outside the normal range could signal thyroid dysfunction, prompting further evaluation and treatment.

    FAQs on Free T4 (FT4) Test in Bangalore

    The Free T4 test price in Bangalore is ₹400. This includes home sample collection within 60 minutes after booking and your results will be available within 6 hours of sample collection.

    Yes, home sample collection is available for the Free T4 test. After booking, an eMedic will arrive at your location within 60 minutes to collect the sample.

    An FT4 test is used to assess the level of thyroxine in your blood, helping diagnose thyroid disorders like hypothyroidism or hyperthyroidism, and monitoring treatment effectiveness for thyroid-related conditions.

    No, fasting is not required for this test. However, consult your doctor for fasting instructions if you're undergoing other tests alongside this one.

    To book the Free T4 test at home, follow these steps:

    • Search for "FT4 test in Bangalore” or “FT4 test at home" and choose Orange Health Labs from the options.

    • Choose the test, check the prerequisites, enter your location, and schedule a sample collection.

    • A certified eMedic will collect the sample at your preferred time.

    • Your sample will be analysed at our ICMR-approved, NABL-accredited laboratory.

    • Results will be sent to you via email or WhatsApp within 6 hours and can also be accessed via our app.

    Normal Free T4 levels typically range between 0.78-2.19 ng/dL, but the exact reference range may vary. Consult your doctor to interpret your test results.

    Once booked, an eMedic will collect your sample within 60 minutes. You’ll receive the results within 6 hours after sample collection.

    The frequency of testing is based on your doctor's recommendations, depending on your thyroid health and symptoms.

    This test specifically measures Free T4, the active form of the hormone thyroxine.

    No fasting is needed for the Free T4 test, which allows you to take the test at any time.

    Orange Health provides Thyroid tests including the FT4 test in Bangalore, with the convenience of home sample collection. We offer this service across a wide range of areas, including but not limited to Adugodi, Banashankari, Bannerghatta, Basavanagudi, Bellandur, BTM Layout, Chamrajpet, Cottonpet, CV Raman Nagar, Frazer Town, Giri Nagar, Hebbal, Domlur, Electronic City, Hennur, Hosur, HSR Layout, 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, Yeshwantpur.

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    • Extremely quick appointments for home tests & timely reports too. Medical representative was on time and neat work.
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    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 3 hours of order cancellation.

    References

    1. T4 (thyroxine) Test. Cleveland Clinic. 2022  Available from:  https://my.clevelandclinic.org/health/diagnostics/24235-thyroxine-t4-test
    2. Thyroxine (T4) Test [Internet]. Medlineplus.gov. 2022  Available from:  https://medlineplus.gov/lab-tests/thyroxine-t4-test/
    3. Free T4 - Health Encyclopedia - University of Rochester Medical Center [Internet].  Available from:  https://www.urmc.rochester.edu/encyclopedia/content.aspx?contenttypeid=167&contentid=free_t4_thyroxine
    4. Endocrine Society. Thyroid and Parathyroid Hormones [Internet].  Available from:  https://www.endocrine.org/patient-engagement/endocrine-library/hormones-and-endocrine-function/thyroid-and-parathyroid-hormones
    5. Free T4 test Information | Mount Sinai - New York [Internet].  Available from:  https://www.mountsinai.org/health-library/tests/free-t4-test

    Free T4 (FT4) Test in Bangalore

    Test NameFree T4 (FT4) Test
    PriceThe Free T4 (FT4) Test price is ₹ 400.
    Also Known AsFree Thyroxine test, Free T4 concentration, Free T4 index (FTI)
    PurposeTo measure the levels of free thyroxine (T4) hormone.
    Pre-test InformationFasting is not required for a Free T4 (FT4) Test
    Report DeliveryGet reports within 6 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 Free T4 (FT4) Test

    Free T4 (FT4) Test Price in Bangalore

    The Free T4 (FT4) Test cost in Bangalore is ₹ 400. This Free T4 (FT4) Test price includes the fastest home sample collection within 60 minutes of booking, and the reports are available in 6 hours.

    Related Tests and Packages

    Test/Package NamePrice
    Free T4 (FT4) Test in Bangalore₹ 400
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    Liver Function Test (LFT) Test in Bangalore₹ 700
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    Orange Health Labs: Who Are We

    Welcome to Orange Health Labs! Experience the convenience of a high-quality diagnostic laboratory, within the comfort of your home. We provide laboratory services that bring cutting-edge diagnostics right to your doorstep, ensuring you have easy access to essential healthcare solutions. We are your trusted partners, backed by certifications, ensuring top-notch accuracy and quality. With a track record of exceeding 1,000,000 tests, our credibility is trusted by healthcare professionals. So, get ready to embrace the luxury of premium diagnostics without stepping out of the comfort of your home – because your well-being deserves nothing but the best.

    Steps to Book a Test/ Health Package

    Say goodbye to long queues and hello to hassle-free blood sample collection from our certified pathology lab right at your doorstep. Here's a straightforward step-by-step guide: • Visit www.orangehealth.in or use the Orange Health Lab Test At Home app. • Provide your details through the platform. • Skilled, trained, and vaccinated eMedics will reach you within 60 minutes or as per your chosen time slot. • Collected samples will be sent straight to our certified pathology laboratory for testing. • Expect your test reports via WhatsApp & Email within 6 hours, based on the tests done. • You can also conveniently access your reports on our app for easy reference.

    About The Brand

    Our view on healthcare is that, like much else, it should reach our homes – conveniently and affordably. We believe being connected to your doctor matters. A personal connect and context in healthcare cannot be replaced. Effective medicine will be when online and offline worlds combine. Our efforts will be to create services and products that doctors can use with their patients in clinic or remotely at their homes to better assess and diagnose patients' health and provide the right treatment.

    Frequently Asked Questions

    Q1

    Why should you choose Orange Health Labs over other pathology labs?

    Orange Health Labs stands out as the fastest diagnostic lab in town. From rapid at-home testing to expert eMedics, we blend cutting-edge diagnostics with comfort. With trusted certifications for our lab, we're your trusted path to accurate results. Experience health on your terms!
    Q2

    How does home collection within 60 minutes work?

    We guarantee home pathology services within just 60 minutes from order placement in Bangalore, Delhi, Gurugram, Noida, Hyderabad, Faridabad, and Mumbai. Our skilled, vaccinated eMedics, following your chosen schedule, will arrive at your door. Your sample will be carefully handled, maintained at the right temperature, and transported to our certified labs. And rest assured, the results will reach you with even greater speed!
    Q3

    How are reports delivered?

    You will receive your reports via WhatsApp within 6 hours for most tests with our diagnostic laboratory. Additionally, you can access and view the reports on our app at any time.
    Q4

    What are the modes of payment available for booking?

    We offer a range of convenient payment options for our home pathology services. These include UPI, Mastercard, Visa card, Debit cards, and Credit card options. The choice is yours!
    Q5

    Can I cancel a test booking?

    You can cancel the booking from the Order Tracking Page on our app. Also, you can reach out to customer support via WhatsApp at 9008111144. We're here to help, and we'll get back to you in a flash!
    Q6

    Can I reschedule a booked test?

    If the need to reschedule a booked test arises, you can reschedule the booking from the Order Tracking Page on our app. Also, you can reach out to customer support via WhatsApp at 9008111144. Our team is primed to swiftly address your queries and provide the support you seek.