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    What is a Free Thyroid Profile Test?

    The Free Thyroid Profile test is a detailed blood test that examines the activity of your thyroid gland, a small butterfly-shaped organ at the front of your neck. Two hormones are secreted by the thyroid gland: triiodothyronine (T3) and thyroxine (T4). These hormones exist in two main forms: free forms (free T3 (FT3) and free T4 (FT4)) which directly enter tissues, and bound forms (T3 and T4) which are attached to proteins and do not enter tissues.

    The Free Thyroid Profile test checks the free levels of thyroid hormones (FT3 and FT4) in the bloodstream and measures the thyroid-stimulating hormone (TSH) from the pituitary gland, which controls the production of T3 and T4. These hormones are vital for regulating growth, development, and metabolism. By analysing free thyroid hormones and TSH, this test offers a precise assessment of thyroid function, aiding in the diagnosis of conditions such as hyperthyroidism (overactive thyroid) and hypothyroidism (underactive thyroid).

    In fast-paced cities like Hyderabad, health often takes a backseat. Thus, taking a Free Thyroid test in Hyderabad is crucial for early detection of thyroid problems and proactive health management.

    Free Thyroid Profile Test Parameters

    The Free Thyroid Profile test measures three main parameters:

    FT3

    This parameter assesses the unbound or active form of the T3 hormone, which directly enters tissues where it is needed.

    FT4

    This parameter evaluates the unbound, active form of the T4 hormone, which reaches tissues directly where it is needed. Testing FT4 alongside TSH levels provides a more precise understanding of thyroid gland function.

    TSH and 3rd Generation TSH

    TSH controls how much T3 and T4 hormones the thyroid gland produces. When thyroid hormone levels fall, the pituitary gland raises TSH production to stimulate the thyroid. Similarly, excessive amounts reduce TSH production by negative feedback. The 3rd Generation TSH test detects minor variations in TSH levels, providing a clearer picture of thyroid function.

    Doctors may reliably detect thyroid diseases by evaluating these parameters, which provide vital information regarding thyroid gland function.

    Free Thyroid Profile Test Preparation

    The following points need to be considered before taking a Free Thyroid test at home:

    Prerequisites

    Typically, no specific prerequisites such as fasting are needed for a Free Thyroid Profile test. However, your doctor may occasionally recommend fasting before the test for confirmation. It is best to check with your treating doctor to see if fasting is necessary for your condition.

    Best Time to Get Tested

    To avoid food intake affecting the results, it is best to take the Thyroid test early in the morning. Also, you should try to schedule the test at the same time of the day of the day next time you book it.

    Who Should Get a Free Thyroid Test

    Individuals showing signs of thyroid issues or with a family history of thyroid conditions should consider undergoing testing.

    Cautions before taking the Free Thyroid Test

    Your Thyroid test results can be affected by a range of factors:

    • Certain medications, like birth control, and supplements, like biotin.

    • The time since your last dose of thyroid medication, especially those containing T3.

    • Sleep patterns, stress, dietary habits, and non-thyroidal illnesses.

    It is important to talk to your doctor about these factors before the test to ensure an accurate diagnosis.

    Why Take a Free Thyroid Profile Test?

    Assessing the levels of free thyroid hormones alongside TSH assists in identifying and monitoring thyroid conditions, which can impact your health in numerous ways. Here are a few reasons why you may require this test:

    • Thyroid Dysfunction Indicators

    If you have symptoms like menstrual irregularities, weight fluctuations, puffy face, dry skin, brittle hair, joint swelling, lethargy, depression, temperature sensitivity, or irregular heart rate, thyroid tests are needed to detect hyperthyroidism or hypothyroidism.

    • Autoimmune Risk

    Those with autoimmune conditions such as type 1 diabetes are more likely to develop autoimmune thyroid disorders, requiring consistent thyroid testing.

    • Pregnancy Monitoring

    Hormonal changes during and post-pregnancy can affect thyroid levels, impacting maternal and foetal health. Routine thyroid tests are important for monitoring these changes.

    • Hereditary Factors

    A family history of thyroid disorders necessitates regular screening due to the genetic predisposition.

    • Treatment Evaluation

    Regular Thyroid Profile tests are essential for individuals on thyroid treatment to assess the effectiveness and adjust medication, as necessary.

    Free Thyroid Profile Test Results & Interpretation

    Understanding the normal ranges of Free T3, T4, and TSH is key to accurately evaluating thyroid health. Here is what those ranges typically look like:

    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

    The following may be indicated if your hormone levels are abnormal:

    • Decreased T3 Levels : Low levels of T3 (free or total) may mean the thyroid is underactive, with insufficient hormone production by the gland.

    • Elevated T3 Levels : High levels of T3 (free or total) may indicate an overactive thyroid, with excessive hormone production by the gland.

    • Decreased T4 Levels : Lower-than-normal T4 levels usually suggest hypothyroidism, indicating an underactive thyroid. This can result from autoimmune diseases, insufficient dietary iodine, and certain medications.

    • Elevated T4 Levels : Higher than normal T4 or free T4 levels may indicate thyrotoxicosis, possibly due to thyroid inflammation, an overactive thyroid, or excessive thyroid medication intake. This condition speeds up metabolism and can be harmful. High total T4 with normal free T4 levels can also be seen with oestrogen-containing birth control or during pregnancy or due to high oestrogen levels.

    • TSH Levels : Low TSH often points to hyperthyroidism (overactive thyroid), while high TSH may suggest primary hypothyroidism (underactive thyroid). Factors like thyroid gland inflammation, pregnancy, stress, iodine levels, medications, and genetics can influence TSH levels and disturb the TSH/FT4 balance.

    Factors Influencing TSH Results

    • Time of Meal and Circadian Rhythm: Several studies indicate that TSH levels can vary based on food intake and time of day, showing significant fluctuations throughout the day and in response to meals.

    • Other Factors : It’s crucial to understand that TSH is a variable hormone influenced by various non-thyroidal pituitary factors (such as glucocorticoids, somatostatin, and dopamine), genetics, stress, physical activity, exposure to toxins and radiation, pregnancy, thyroid gland inflammation, iodine imbalance in the diet, certain medications like antidepressants, cholesterol-lowering drugs, chemotherapy drugs, steroids, and thyroid cancer, which can all affect the TSH/free T4 relationship.

    FAQs on Free Thyroid Profile Test in Hyderabad

    The Free Thyroid test price is ₹ 950. This cost covers the fastest home sample collection in 60 minutes of test booking, and the reports are ready in 6 hours.

    The Free Thyroid Profile test measures the free levels of FT3, FT4, and TSH in your blood, evaluating the thyroid gland's functionality. It is essential for diagnosing thyroid conditions such as hypothyroidism and hyperthyroidism, ensuring effective treatment and management.

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

    Yes, you can easily get a Free Thyroid test at home with Orange Health Labs. Schedule your test on our website or app, provide the required information, and select a suitable date and time for sample collection. An eMedic will then come to your home to collect the sample on your chosen time.

    To book a blood test or health checkup on our platform, follow these steps:

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

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

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

    • Lab Processing : The collected sample will be sent 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 will also be accessible on our app.

    The typical 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

    Within 6 hours of sample collection, you can expect to get your test results.

    The frequency of the Free Thyroid Profile test is guided by your doctor's advice and your particular medical situation.

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

    Measuring the unbound, active forms of thyroid hormones (FT3 and FT4) along with TSH, the Thyroid Profile Free differs from the Thyroid Profile Total, which includes both bound and unbound forms (FT3, FT4, Total T3, and Total T4) with TSH. The free forms represent the hormones available for the body's tissues, whereas the total forms comprise hormones bound to blood proteins.

    T3 is short for triiodothyronine, T4 is short for thyroxine, and TSH is short for thyroid-stimulating hormone.

    Orange Health provides the quickest Free Thyroid test services in Hyderabad without the need to visit a physical lab. Localities include but are not limited to Banjara Hills, Jubilee Hills, Gachibowli, Madhapur, Hitech City, Kondapur, Begumpet, Somajiguda, Ameerpet, Panjagutta, Kukatpally, Miyapur, Manikonda, Secunderabad, Tarnaka, Abids, Koti, Mehdipatnam, Dilsukhnagar, Uppal, LB Nagar, Nallagandla, Nizampet, Attapur, Malkajgiri.

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