TSH Test in Kolkata - Price & Details

The thyroid-stimulating hormone test, or TSH test, measures how much TSH is circulating in the blood. TSH is a hormone released by the pituitary gland to regulate thyroid activity. In response to this signal, the thyroid produces thyroxine (T4) and triiodothyronine (T3), two hormones that govern metabolism, energy production, and various bodily functions. As one of the most dependable indicators of thyroid health, TSH tends to rise when the thyroid is underactive, a condition known as hypothyroidism, and drop when the thyroid is overactive, or hyperthyroidism. This makes the test a routinely recommended investigation for people experiencing symptoms such as unexplained shifts in weight, ongoing fatigue, hair thinning, irregular periods, or noticeable mood changes. Beyond diagnosis, TSH testing also plays a role in tracking patients already undergoing thyroid treatment, screening for thyroid issues during pregnancy, and investigating causes of infertility and assessing delayed growth in children. Sample collection involves a routine blood draw, and while fasting is not typically necessary, your doctor might recommend testing at a specific time of day, since TSH levels can shift somewhat over the course of the day.

The TSH test is recommended for individuals showing signs of thyroid dysfunction or those at higher risk of thyroid disorders:

• Individuals with symptoms suggestive of thyroid disorders: Unexplained weight gain or loss, persistent fatigue, hair thinning, cold or heat intolerance, irregular heartbeat, or mood changes such as anxiety or depression.
• Pregnancy: Thyroid function is routinely checked in pregnancy, as thyroid disorders can affect maternal health and foetal development, if untreated.
• Menstrual irregularities or fertility concerns: Since thyroid hormones influence reproductive health, TSH testing is commonly included in infertility evaluations and workups for irregular periods.
• Family history of thyroid disorders: A genetic predisposition increases the likelihood of thyroid dysfunction, making periodic screening advisable.
• Thyroid medication: Regular TSH monitoring in people on thyroid medications helps doctors adjust dosage and ensure treatment is working effectively.
• Newborns: Routine screening at birth helps detect congenital hypothyroidism early, since timely treatment is critical for normal growth and development.
• Autoimmune conditions: Conditions such as type 1 diabetes or other autoimmune disorders raise the risk of thyroid issues, warranting periodic checks.

The TSH test helps doctors assess thyroid function and may aid in detecting or monitoring:

• Hypothyroidism (underactive thyroid): The thyroid does not produce enough hormones.
• Hyperthyroidism (overactive thyroid): The thyroid produces too much hormone.
• Subclinical hypothyroidism or hyperthyroidism: Early thyroid dysfunction where TSH is abnormal but thyroid hormone levels may still be within the normal range.
• Goitre (enlarged thyroid gland): To evaluate whether thyroid dysfunction is contributing to thyroid enlargement.
• Thyroid disorders during pregnancy: To monitor thyroid function, as abnormal thyroid hormone levels can affect both the mother and baby.
• Response to thyroid treatment: To check whether thyroid hormone replacement therapy or treatment for hyperthyroidism is working effectively and whether medication doses need adjustment.
• Pituitary gland disorders: In certain cases, abnormal TSH levels may indicate a problem with the pituitary gland, which produces TSH.

What to Expect Before the TSH Test

• You may eat and drink normally, as fasting is not necessary for this test. This test may be done at any time of the day. However, if repeat tests for TSH monitoring will be performed later, try to schedule the tests at approximately the same time at each retest.
• Your doctor should be informed about all the medicines and supplements you are on, and if you had any recent illnesses or medical conditions.
• Biotin (vitamin B7, found in many hair, skin, and nail supplements) should be stopped at least 72 hours before the test, as it can interfere with results. Iron and calcium supplements may also affect how thyroid medicines are absorbed. Iodine and soy intake can also influence TSH levels.
• Certain medicines, including metformin, amiodarone, steroids, and proton pump inhibitors, can affect TSH levels or interact with thyroid medication, potentially affecting accuracy and can also temporarily alter TSH levels, so this is worth mentioning to your doctor when reviewing results.
• Recent serious illnesses can temporarily alter TSH levels.
• Disorders such as type 1 diabetes, rheumatoid arthritis, and lupus are associated with a higher likelihood of coexisting thyroid dysfunction.
• Inform your doctor if you are pregnant or planning a pregnancy because normal TSH levels differ during pregnancy and may require closer monitoring.

What to Expect During the Blood Collection

• The TSH test is a quick procedure that typically takes only a few minutes. During sample collection, a trained phlebotomist cleans the skin and draws a small blood sample from a vein, usually in the arm, using a sterile needle.
• Slight pain or a sting may be felt when the needle is inserted.

What to Expect After the TSH Test

• Mild throbbing at the site may be felt after the blood is drawn. If you feel dizzy, you may lie down for a while. Once the blood sample is collected, it is sent to a laboratory for analysis, where your blood is tested for TSH levels.

Note: If you notice anything unusual at the puncture site, such as persistent bleeding, a rash, or pain, consult your healthcare provider.

The TSH test measures one key parameter: thyroid-stimulating hormone (TSH) in the blood.

Note: The reference ranges above are for general guidance and may vary slightly between laboratories. TSH test results should always be interpreted along with your symptoms, medical history, thyroid hormone levels (Free T3 and Free T4), medications, pregnancy status, and other relevant laboratory findings. Your doctor will consider all these factors before making a diagnosis or recommending treatment.

Note: TSH results should be interpreted by a doctor in combination with your symptoms, medical history, and other thyroid function tests. A single TSH value is not sufficient to confirm or rule out thyroid disease.

Potential Risks and Complications

Usually only mild discomfort is experienced during blood sample collection. You should contact your doctor if:

• There is continuous bleeding from the blood draw site despite applying gentle pressure.
• Significant redness, swelling, warmth, or persistent pain develops around the blood draw site.
• You feel faint for a long time after the blood sample collection.

Understanding TSH Test Limitations

• A TSH test may not be sufficient to diagnose every thyroid disorder. In some situations, your doctor may also recommend Free T3, Free T4, or other thyroid tests.
• TSH results may not accurately reflect thyroid function in people with pituitary or hypothalamic disorders because these conditions affect the production of TSH rather than the thyroid gland.
• Certain medicines, supplements, and medical conditions can influence TSH levels.
• Serious illness or recent hospitalisation can temporarily change TSH levels, even when the thyroid gland is functioning normally.
• TSH levels naturally vary throughout the day. If follow-up testing are not done at approximately the same time of the day, consistent comparisons may not be possible.
• In the early stages of thyroid disease, TSH levels may still be within the normal range. If thyroid disease is strongly suspected, your doctor may advise repeat testing or additional thyroid function tests.

The TSH test is priced at around ₹349, though the exact cost can vary based on your location in Kolkata and available offers. To better understand the pricing differences, you can compare the TSH test costs across major cities in India.

You can book the TSH (thyroid-stimulating hormone) Test in Kolkata through PharmEasy with convenient home sample collection across several localities, including

• Salt Lake
• New Town
• Rajarhat
• Dum Dum
• Lake Town
• Baguiati
• Park Street
• Ballygunge
• Bhowanipore
• Alipore
• Behala
• Tollygunge
• Jadavpur
• Garia
• Kalighat
• Kasba
• Kankurgachi
• Ruby
• Sealdah
• Shyambazar

You can also check service availability during purchase by entering your PIN code.