TSH (Thyroid Stimulating Hormone)
4.6 (5 reviews)TSH test measures thyroid-stimulating hormone levels to evaluate thyroid gland function and detect hypo- or hyperthyroidism.
₹149.00 ₹300.00
Test Details
Also Known As
Thyrotropin Test, Thyroid Stimulating Hormone Blood Test, TSH Blood Test, Thyroid Function Screening Test, Pituitary Thyroid Test
Sample Type
Venous blood (serum)
Gender
Male, Female
Age Group
All Ages
Categories
Pathology
Test Code
Serum (1 ml)
The TSH (Thyroid Stimulating Hormone) test measures the level of TSH released by the pituitary gland, which regulates the production of thyroid hormones T3 (Triiodothyronine) and T4 (Thyroxine).
TSH works on a feedback mechanism:
- High TSH usually indicates hypothyroidism (underactive thyroid)
- Low TSH usually indicates hyperthyroidism (overactive thyroid)
This test is the most sensitive initial screening tool for thyroid disorders and is widely used for diagnosis, monitoring treatment response, and dose adjustment in patients receiving thyroid medication.
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Frequently Asked Questions
It measures the hormone that controls thyroid hormone production.
No, fasting is not required.
Typically 0.4–4.0 mIU/L, but ranges may vary by lab.
Yes, severe stress or illness can temporarily alter TSH levels.
It is the first test; T3 and T4 may be needed for confirmation.
As advised by the doctor, often every 6–12 weeks during treatment changes.
