A GUIDE TO TSH BLOOD TESTS

A TSH blood test is a simple procedure that detects the amount of thyroid-stimulating hormone (TSH) in your blood. TSH is produced by the pituitary gland, located at the base of your brain, and it signals your thyroid gland to produce thyroxine. This test can help determine whether your thyroid gland is overactive (hyperthyroidism), underactive (hy