Last Updated 1 June 2025

Thyroid Test in India: A Complete Guide

Feeling constantly tired, noticing unexplained weight changes, or struggling with hair loss? Your thyroid gland could be the culprit. A Thyroid Test is a simple yet powerful blood test that assesses how well this vital gland is working. This comprehensive guide will cover everything you need to know about the thyroid profile test, including its purpose, procedure, cost in India, and how to read your report.


What is a Thyroid Test?

A Thyroid Test, also known as a Thyroid Function Test (TFT), is a group of blood tests that measure the levels of key thyroid hormones in your bloodstream. Your thyroid is a small, butterfly-shaped gland at the base of your neck that controls your body's metabolism the way your body uses energy.

This test primarily measures three crucial hormones:

  • Thyroid Stimulating Hormone (TSH): Produced by the pituitary gland in your brain, it tells your thyroid to produce more hormones.
  • Thyroxine (T4): The main hormone produced by the thyroid gland.
  • Triiodothyronine (T3): The active form of the thyroid hormone, converted from T4 in other body tissues.

Why is the Thyroid Test Done?

A doctor will recommend a thyroid function test to:

  • Diagnose Thyroid Disorders: To confirm if you have an underactive thyroid (Hypothyroidism) or an overactive thyroid (Hyperthyroidism).
  • Investigate Symptoms: To find the cause of symptoms like fatigue, weight gain or loss, mood swings, dry skin, hair fall, and irregular periods.
  • Monitor Treatment: To check the effectiveness of medication for a known thyroid condition.
  • Screen for Risks: It is often done as part of routine health checkups, during pregnancy, or for newborns to screen for congenital thyroid issues.

The Thyroid Test Procedure: What to Expect

The thyroid test procedure is a simple blood draw. Here’s what you need to know:

  • Preparation: Fasting: For a standard thyroid profile test (T3, T4, TSH), fasting is usually not required. You can typically eat and drink normally. However, if your blood test includes other markers like blood sugar or lipids, your doctor will ask you to fast. Always confirm with the lab beforehand. Medication: It is crucial to inform your doctor about all medications and supplements you take, especially biotin, which can interfere with test results. Ask your doctor if you should take your daily thyroid medication before or after your blood test.
  • Sample Collection: A phlebotomist will draw a small blood sample from a vein in your arm using a sterile needle. The process is quick and takes only a few minutes.
  • At-Home Testing: You can easily book a thyroid test at home. A certified professional from Bajaj Finserv Health will visit you for a hygienic home sample collection.

Understanding Your Thyroid Test Results & Normal Range

Your thyroid test report will show your hormone levels alongside a normal range. This range is a guide, and what's normal can vary slightly.

Crucial Disclaimer: The normal ranges can differ between labs. Your thyroid test results must be interpreted by a doctor, who will consider your age, symptoms, and overall health.

Test Component What It Indicates General Normal Range (Illustrative)
TSH (Thyroid Stimulating Hormone) The most sensitive marker. High TSH often suggests an underactive thyroid (hypothyroidism); low TSH suggests an overactive one (hyperthyroidism). 0.4 - 4.0 mIU/L
Total T4 (Thyroxine) Measures the total amount of T4 hormone in the blood. 5.0 - 12.0 μg/dL
Total T3 (Triiodothyronine) Measures the total amount of T3 hormone. Often checked to diagnose hyperthyroidism. 80 - 220 ng/dL
Free T4 & Free T3 Measures the unbound, active forms of the hormones. Considered more accurate than total levels. Varies; refer to your lab report.
  • Thyroid Antibody Test: If your results are abnormal, your doctor might order a thyroid antibody test to check for autoimmune conditions like Hashimoto's thyroiditis or Graves' disease.

Thyroid Test Price in India

The thyroid test price in India is generally affordable. The cost is influenced by the city, the laboratory, and whether you opt for home collection.

  • The cost of a thyroid profile test (T3, T4, TSH) typically ranges from ₹300 to ₹1,500.
  • A more comprehensive panel including thyroid antibodies test will cost more. The thyroid test price in Delhi may be different from that in Mumbai or Bangalore.

Next Steps: After Your Thyroid Test

Once you receive your report, the next step is a doctor's consultation.

  • Normal Results: If your levels are normal but you still have symptoms, your doctor may investigate other causes.
  • Abnormal Results: Your doctor will diagnose the specific condition (like hypothyroidism or hyperthyroidism) and will likely prescribe medication. Regular follow-up tests will be needed to monitor your hormone levels and adjust the dosage.

Frequently Asked Questions (FAQ)

1. Is fasting required for a thyroid test?

No, for a standard T3, T4, and TSH test, you usually do not need to fast. You can have your test done without being on an empty stomach. However, always double-check with the laboratory.

2. How long does it take to get thyroid test results?

You can typically expect your thyroid test report within 24 hours of the sample reaching the lab.

3. What are the 3 main thyroid tests?

The three main tests included in a standard Thyroid Function Test are TSH (Thyroid Stimulating Hormone), T4 (Thyroxine), and T3 (Triiodothyronine).

4. Should I take my thyroid medicine before a blood test?

This is a very common question. It's best to ask your doctor for specific advice. Many doctors prefer you take your medication after the blood is drawn to get a baseline reading of your hormone levels.

5. How is a thyroid test done?

A thyroid test is a simple blood test. A small sample of blood is drawn from a vein in your arm by a trained phlebotomist.

6. What are the symptoms of a thyroid problem?

Symptoms of an underactive thyroid (hypothyroidism) include fatigue, weight gain, and feeling cold. Symptoms of an overactive thyroid (hyperthyroidism) include weight loss, anxiety, and a rapid heartbeat.


Note:

This is not medical advice, and this content should only be considered for informational purposes only. Consult with your healthcare provider for individual medical guidance.

Frequently Asked Questions

Can the Antiphospholipid Antibody IgG test be used to track the treatment progress for Antiphospholipid Syndrome (APS)?

Yes, the Antiphospholipid Antibody IgG test can be used to track the progress of Antiphospholipid Syndrome (APS) treatment. Following the initial diagnosis, doctors may order follow-up tests at regular intervals to monitor therapy effectiveness. A decrease in IgG antibodies against phospholipids over time may suggest that treatment is effective. To determine the overall treatment efficacy, the test results are considered, along with the patient's clinical symptoms and other relevant lab test results.