Apr 22, 2025 · This article describes the TSH test and its results. We also discuss what high and low TSH levels indicate and available treatments.

Nov 22, 2025 · A TSH test is done to find out if your thyroid gland is working the way it should. It can tell you if your thyroid gland is overactive (hyperthyroidism) or underactive (hypothyroidism).

Dec 10, 2025 · Learn how TSH levels indicate thyroid health. High TSH suggests an underactive thyroid; low levels point to overactivity.

TSH stands for thyroid stimulating hormone. Another name for it is thyrotropin. A TSH test is a blood test that measures this hormone. A TSH level that is too high or too low may be a sign of …

Thyroid-stimulating hormone (TSH) triggers your thyroid to release its hormones, which mainly impact your body’s metabolism. High TSH levels usually indicate hypothyroidism, and low TSH …

Sep 5, 2023 · Tests to evaluate thyroid function include the following: TSH TESTS The best way to initially test thyroid function is to measure the TSH level in a blood sample. Changes in TSH …

Oct 30, 2025 · Normal TSH levels range from 0.4-4.0 mUI/mL, which indicates proper thyroid function. You can treat abnormal TSH levels based on the cause of the hormone imbalance. …

Double-check the diagnosis of an underactive thyroid gland in a newborn (congenital hypothyroidism). In general, there's nothing you have to do before this test, unless your doctor …

Doctors may order one or more blood tests to check your thyroid function. Tests may include thyroid stimulating hormone (TSH), T 4, T 3, and thyroid antibody tests. Thyroid blood tests …

May 14, 2025 · What is a TSH test? A 3rd generation TSH test is a common test used to check your thyroid function. This test uses a blood sample to check the levels of TSH with high …