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    What is a Thyroid Stimulating Hormone (TSH) Test?

    TSH test measures the level of thyroid-stimulating hormone (TSH) in the blood. TSH, also known as thyrotropin, is produced by the pituitary gland. This hormone plays a crucial role in regulating the thyroid gland. It stimulates the production of thyroid hormones, thyroxine (T4) and triiodothyronine (T3), which play a vital role in regulating metabolism, heart rate and digestion, bone and muscle functioning, and brain development. If the pituitary gland produces too much or too little TSH, it affects how the thyroid gland functions.

    A TSH test measures the amount of TSH in the blood and checks for thyroid issues. The TSH test results can indicate whether the thyroid is producing too much or too little hormone. It is typically the first test doctors order if anyone is showing symptoms suggestive of thyroid problems like hyperthyroidism (low levels of TSH) or hypothyroidism (high levels of TSH). It may also be prescribed to track the effectiveness of treatment for thyroid disorders.

    If your TSH test results are abnormal, your doctor will likely order additional thyroid blood tests to detect the issue.

    Thyroid Stimulating Hormone (TSH) Test Parameters

    The TSH blood test measures only one parameter: the levels of TSH.

    TSH levels in the blood are controlled by a feedback loop. If T4 and T3 levels in the blood are low, they signal the hypothalamus to secrete thyrotropin-releasing hormone (TRH), which signals the pituitary gland to release TSH. Conversely, if the thyroid hormone (T4 and T3) levels are high, they signal the pituitary gland to stop producing TSH.

    By measuring the TSH levels, this test helps to detect thyroid problems.

    If you are concerned about your thyroid levels, it is important to discuss it with your doctor and schedule a TSH test.

    Thyroid Stimulating Hormone (TSH) Test Preparation

    The following points need to be considered for a TSH test:

    Prerequisites

    Fasting is not needed for the TSH test.

    Best Time to Get Tested

    For thyroid testing, it is preferable to provide a morning sample. Additionally, it is important to schedule the test at the same time of day for consistency with each testing session.

    Eligibility for TSH Test

    Thyroid problems can affect individuals of any age. Thus, anyone facing symptoms indicating a thyroid issue, is pregnant, facing fertility challenges, or has a family history of thyroid disease can undergo a TSH test. Additionally, a doctor may order this test for people who are taking medications for thyroid disorders (for treatment monitoring purposes).

    Cautions Before Taking TSH Test

    Several factors can affect the results of the TSH test, including:

    • The time elapsed since the last dose of thyroid medication, especially if it contains T3.

    • Stress levels, non-thyroidal illnesses, dietary habits, and sleep patterns.

    • Certain medications and supplements one is currently taking.

    To ensure precise results and an accurate diagnosis, it is essential to discuss these factors with a doctor before undergoing a TSH test.

    Why Take a Thyroid Stimulating Hormone (TSH) Test?

    TSH testing in Bangalore may be needed if anyone displays symptoms or indications of high or low levels of TSH. Elevated TSH levels typically indicate hypothyroidism, which may manifest as:

    • Numbing and tingling sensation in the hands

    • Fatigue

    • Weight gain (unexplained)

    • Depression

    • Dry skin or hair

    • Sensitivity to cold temperatures

    • Constipation

    • Decreased libido

    • Thinning of hair

    • Heavy and frequent menstrual periods

    • Pain in joints and muscles

    Conversely, low TSH levels usually signify hyperthyroidism, characterised by:

    • Sleeping problems

    • Feelings of anxiety, shakiness or irritability

    • Weight loss (unexplained)

    • Weakness in the muscles

    • Diarrhoea and frequent bowel movements

    • Irregular menstrual cycles

    • Irregular or rapid heartbeat

    • Changes in vision or protruding eyes

    • Warm, thin, and moist skin

    • Sensitivity to hot temperatures

    • Swelling of the neck due to an enlarged thyroid (goitre)

    A doctor may also order this for people who are already managing hypothyroidism or hyperthyroidism to track the progress of their thyroid problem. Furthermore, they might also suggest this test if anyone is considering pregnancy.

    Thyroid Stimulating Hormone (TSH) Test Results & Interpretation

    Range for TSH Test Results

    Below are the typical ranges for healthy individuals who are not pregnant:

    • 0.400 to 4.049 µIU/mL

    For pregnant individuals, the TSH range is as follows:

    TrimesterTSH (µIU/mL)
    First0.100 to 2.50
    Second0.200 to 3.00
    Third0.300 to 3.00

    Understanding TSH Result Factors

    High Levels

    A high TSH level suggests that the thyroid gland is not producing enough thyroid hormone, known as primary hypothyroidism. This could be due to factors such as Hashimoto’s disease, post-pregnancy, inflamed thyroid gland, iodine deficiency or could be present from birth.

    Low Levels

    A low TSH level typically indicates an overproduction of thyroid hormone, known as hyperthyroidism. This could be due to factors such as Graves' disease, inflamed thyroid gland, post-pregnancy, thyroid nodules, or excess iodine.

    Factors Influencing TSH Results

    FAQs on Thyroid Stimulating Hormone (TSH) Test in Bangalore

    TheTSH test price is ₹ 350. This price includes the fastest home sample collection within 60 minutes of booking, and the reports are available in 6 hours.

    A TSH test is used to measure the levels of TSH in the blood. Abnormal TSH levels, whether too high or too low, could indicate a potential thyroid disorder.

    No, fasting is not needed for the TSH blood test.

    Yes, Orange Health Labs offers home sample collection for the TSH test at home.

    Booking a TSH test in Bangalore has become very convenient with Orange Health Labs. Follow these steps to schedule your test:

    • Visit the Orange Health Labs website or download the app.

    • Enter the required information, including your preferred date and time.

    • An eMedic will arrive at your specified location within 60 minutes at the scheduled time.

    • The sample will be collected from your home analysed at our NABL and ICMR-certified laboratory.

    • You will receive the results via WhatsApp and email within 6 hours.

    For healthy individuals who are not pregnant, the typical TSH range is 0.400 to 4.049 µIU/mL. For pregnant individuals, the TSH range varies by trimester: in the first trimester, it is 0.100 to 2.50 µIU/mL; in the second trimester, it ranges from 0.200 to 3.00 µIU/mL; and in the third trimester, it is 0.300 to 3.00 µIU/mL.

    You will receive your reports online within 6 hours of sample collection

    The frequency of TSH tests depends on your doctor's recommendation based on your symptoms, medical history, and individual risk factors.

    The TSH test includes only one parameter: levels of TSH in the blood.

    Hypothyroidism or an underactive thyroid is a condition where your thyroid gland does not produce enough thyroid hormone, which may be indicated by elevated levels of TSH in the TSH blood test.

    Signs of an underactive thyroid (hypothyroidism) include:

    • Numbing and tingling sensation in the hands

    • Fatigue

    • Weight gain (unexplained)

    • Depression

    • Dry skin or hair

    • Sensitivity to cold temperatures

    • Constipation

    • Decreased libido

    • Thinning of hair

    • Heavy and frequent menstrual periods

    • Pain in joints and muscles

    Signs of an overactive thyroid (hyperthyroidism) include:

    • Sleeping problems

    • Feelings of anxiety, shakiness or irritability

    • Weight loss (unexplained)

    • Weakness in the muscles

    • Diarrhoea and frequent bowel movements

    • Irregular menstrual cycles

    • Irregular or rapid heartbeat

    • Changes in vision or protruding eyes

    • Warm, thin, and moist skin

    • Sensitivity to hot temperatures

    • Swelling of the neck due to an enlarged thyroid (goitre)

    A TSH blood test carries minimal risk. You might experience slight pain or bruising at the needle insertion site, but these symptoms typically subside quickly.

    Ans: If your test results are abnormal (high or low), your doctor will likely order additional thyroid blood tests to determine the cause of the thyroid issue. These tests may include:

    • T4 Thyroid Hormone test

    • T3 Thyroid Hormone test

    • Thyroid Antibodies test

    Yes, sometimes TSH levels can be abnormal even if your thyroid gland is healthy. For example, TSH levels may be higher in individuals over 80 without indicating thyroid problems. Pregnancy can also affect TSH levels, often causing them to be slightly low during the first trimester. Thus, consulting with a doctor about your TSH test results if they are abnormal is of prime importance.

    Without having to visit a physical lab, Orange Health provides the fastest TSH test services near you across Bangalore at the convenience of your home. Localities include but not limited to Adugodi, Banashankari, Bannerghatta, Basavanagudi, Bellandur, BTM Layout, Chamrajpet, Cottonpet, CV Raman Nagar, Domlur, Electronic City, Frazer Town, Giri Nagar, Hebbal, 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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