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    What is a Free Thyroid Profile Test?

    The Free Thyroid Profile test is a thorough blood test that assesses the function of your thyroid gland, a small, butterfly-shaped organ located in the front of the neck. Triiodothyronine (T3) and thyroxine (T4) are the two hormones that the thyroid gland produces. These hormones are found in two primary forms: free forms (free T3 (FT3) and free T4 (FT4)) which can directly enter tissues, and bound forms (T3 and T4) which are attached to proteins and cannot enter tissues.

    The Free Thyroid Profile test measures the levels of free thyroid hormones (FT3 and FT4) in the blood and evaluates thyroid-stimulating hormone (TSH) produced by the pituitary gland. TSH regulates the thyroid gland’s production of T3 and T4, which are crucial for growth, development, and metabolism. By assessing the free hormone levels and TSH, this test provides an accurate evaluation of thyroid function, helping to diagnose thyroid disorders like hypothyroidism (underactive thyroid) and hyperthyroidism (overactive thyroid).

    In busy cities like Mumbai, it is easy to neglect health amidst the hustle. Therefore, getting a Free Thyroid test in Mumbai is essential to detect thyroid issues early and maintain overall well-being.

    Free Thyroid Profile Test Parameters

    The Free Thyroid Profile test evaluates three key parameters:

    FT3

    This measures the unbound or active form of the T3 hormone, which reaches tissues where it is required.

    FT4

    This measures the unbound, active form of the T4 hormone, which directly reaches tissues where required. Measuring FT4 alongside TSH levels provides a more accurate reflection of thyroid gland function.

    TSH and 3rd Generation TSH

    TSH regulates the thyroid gland's production of T3 and T4 hormones. Low thyroid hormone levels cause the pituitary gland to produce more TSH, which stimulates the thyroid, whereas high levels inhibit TSH production through negative feedback. The 3rd Generation TSH test can detect tiny changes in TSH levels, offering a clearer picture of thyroid function.

    By assessing these parameters, doctors can gain valuable insights into overall thyroid function and accurately diagnose thyroid disorders.

    Free Thyroid Profile Test Preparation

    Before taking a Free Thyroid test at home, it is important to note the following:

    Prerequisites

    No specific prerequisites like fasting are usually required. However, in certain cases, your doctor might advise fasting for confirmation. Please consult your doctor to determine if fasting is necessary for your particular condition.

    Best Time to Get Tested

    For the most accurate results, it is recommended to take the Thyroid test early in the morning, as eating later in the day can impact the results. Additionally, ensure you schedule the test at the same time of the day next time you take it.

    Who Should Get a Free Thyroid Test

    If you are experiencing symptoms of thyroid dysfunction or have a family history of thyroid disorders, it is advisable to get tested.

    Cautions before taking the Free Thyroid Test

    Several factors can influence your Thyroid test results:

    • Stress, nonthyroidal illnesses, and your diet and sleep patterns.

    • The interval between your last dose of thyroid medication, particularly if it contains T3, and when your blood is drawn.

    • Medications such as birth control and supplements like biotin.

    Discussing these factors with your doctor before the thyroid test is essential for an accurate diagnosis.

    Why Take a Free Thyroid Profile Test?

    Testing the levels of thyroid hormones in addition to TSH aids in detecting and monitoring thyroid issues, which can impact your health in various ways. Here are several reasons why this test may be necessary:

    • Thyroid Dysfunction Symptoms

    Experiencing symptoms such as weight changes, fatigue, temperature sensitivity, puffy face, dry skin, brittle hair, joint swelling, irregular heartbeat, menstrual irregularities, or depression necessitates thyroid tests to diagnose hyperthyroidism or hypothyroidism.

    • Family History

    If thyroid disorders are common in your family, regular screening is recommended due to the hereditary nature of these conditions.

    • Pregnancy

    Thyroid hormone levels can fluctuate during and after pregnancy, affecting the health of both mother and baby. Regular thyroid testing is important to monitor these changes and ensure well-being.

    • Autoimmune Conditions

    Regular thyroid testing is crucial because people with autoimmune illnesses, such as type 1 diabetes, are more likely to develop autoimmune thyroid dysfunctions.

    • Monitoring Treatment

    For those undergoing treatment for a thyroid condition, regular Thyroid Profile tests are crucial to evaluate treatment efficacy and adjust medication doses as needed.

    Free Thyroid Profile Test Results & Interpretation

    Accurately interpreting Free T3, T4, and TSH test results is crucial for assessing thyroid health. Here are the normal hormone ranges to look for:

    Test NameReference Range
    Triiodothyronine (T3), Free2.77 - 5.27 pg/mL
    Thyroxine (T4), Free0.78 - 2.19 ng/dL
    Thyroid Stimulating Hormone (TSH)0.400 - 4.049 µIU/mL

    During pregnancy, the reference range for TSH levels varies:

    Pregnancy TSHReference Range (µIU/mL)
    1st Trimester0.100-2.500
    2nd Trimester0.200-3.00
    3rd Trimester0.300-3.00

    Hormone levels falling outside of the normal range could suggest one of the following :

    • Low T3 Levels : Low T3 (free or total) levels might suggest an underactive thyroid, meaning the gland produces insufficient hormone.

    • High T3 Levels : High T3 (free or total) levels may indicate an overactive thyroid, meaning the gland generates excessive hormone.

    • Low T4 Levels : Low T4 levels typically indicate hypothyroidism, meaning the thyroid is underactive. Causes include autoimmune diseases, insufficient dietary iodine, and certain medications.

    • High T4 Levels : Elevated T4 or free T4 levels could signify thyrotoxicosis, resulting from excessive thyroid medication, an overactive thyroid, or thyroid inflammation. Thyrotoxicosis accelerates metabolism and can be harmful. High total T4 with normal free T4 levels may occur during pregnancy or with oestrogen-containing birth control pills due to elevated oestrogen.

    • TSH Levels : Low TSH suggests an overactive thyroid (hyperthyroidism), while elevated TSH may indicate an underactive thyroid (primary hypothyroidism). Factors such as thyroid inflammation, stress, blood iodine levels, pregnancy, medication, genetics, and certain medications can affect TSH levels and disrupt the TSH/FT4 relationship.

    Factors Influencing TSH Results

    • Time of Meal and Circadian Rhythm: Studies have shown that TSH levels can fluctuate based on food intake and circadian rhythm, with significant variations observed throughout the day and after eating.

    • Other Factors : It is important to understand that TSH is influenced by various factors beyond the thyroid gland. These include pituitary hormones (glucocorticoids, somatostatin, dopamine), physical activity, genetics, stress, exposure to toxins and radiation, certain medications (like antidepressants, cholesterol-lowering drugs, chemotherapy drugs, steroids), thyroid inflammation, iodine imbalances in the diet, pregnancy, and thyroid cancer, which can affect the TSH/free T4 relationship.

    FAQs on Free Thyroid Profile Test in Mumbai

    The Free Thyroid test price is ₹ 950. This fee is inclusive of the fastest home sample collection within 60 minutes of test booking, and the reports are available within 6 hours.

    Measuring the free levels of thyroid hormones FT3, FT4, and TSH in your blood, a Free Thyroid Profile test assesses thyroid gland performance. It aids in the diagnosis of thyroid disorders like hypothyroidism and hyperthyroidism, ensuring appropriate treatment and management.

    No, fasting is not needed before getting a Free T3, T4 and TSH test at home.

    Yes, Orange Health Labs offers Free Thyroid test at home. Just visit our website or use our app to schedule the test. After you provide the necessary details and choose a convenient sample collection date and time, an eMedic will visit your home to collect the sample.

    Follow the below mentioned steps to book a blood test or health checkup on our platform:

    • Search for the Test : Search for the Free T3, T4, and TSH test in Mumbai or at home and click on Orange Health’s website.

    • Review and Book : Choose the test, review the test prerequisites, enter your address, and confirm the booking by picking a suitable time slot for sample collection.

    • Sample Collection : Our skilled eMedic will arrive within the selected time slot to collect the sample at your home.

    • Lab Processing : The sample will be transported to our NABL accredited and ICMR approved labs for analysis.

    • Receive Results : You will receive the reports of your Free T3, T4, and TSH test via email or WhatsApp within 6 hours. They are also readily accessible on our app.

    The normal ranges of the Free Thyroid Profile are:

    FT3: 2.77 - 5.27 pg/mL

    FT4: 0.78 - 2.19 ng/dL

    TSH: 0.400 - 4.049 µIU/mL

    TSH during pregnancy:

    • 1st Trimester: 0.100-2.500 µIU/mL

    • 2nd Trimester: 0.200-3.00 µIU/mL

    • 3rd Trimester: 0.300-3.00 µIU/mL

    Your test results will be delivered within 6 hours following the sample collection.

    The frequency of the Free Thyroid Profile test is decided by your doctor's recommendation and your health conditions.

    The Free Thyroid Profile test includes three parameters: FT3, FT4, and TSH.

    The Thyroid Profile Free assesses the active, unbound thyroid hormones (FT3 and FT4) along with TSH, whereas the Thyroid Profile Total measures both the bound and unbound hormones (FT3, FT4, Total T3, and Total T4) plus TSH. The free forms indicate the hormones accessible for use by the body’s tissues, while the total forms include those bound to blood proteins.

    Triiodothyronine corresponds to T3, thyroxine corresponds to T4, and thyroid-stimulating hormone corresponds to TSH.

    Without having to visit a physical lab, Orange Health provides the fastest Free Thyroid test services near you across Mumbai at the convenience of your home. Localities include but are not limited to 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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