TSH (Thyroid Stimulating Hormone- Serum) Test for 1 parameters TSH levels in the blood is commonly used to assess thyroid function. High levels of TSH usually indicate an underactive thyroid gland (hypothyroidism), while low levels may suggest an overactive thyroid gland (hyperthyroidism). Serum No Fasting Required ₹390Free home sample Book Test Free home sample collection in 60 mins Reports within 3 Hours 10,00,000+Tests done TrustedDoctors 10,00,000+Certified Labs 10,00,000+Pickup-at-home Gallery-