Medically reviewed by Isabel Casimiro, MD, PhD A TSH test measures the level of thyroid-stimulating hormone in your blood. Abnormal TSH levels typically indicate a problem with your thyroid, like ...

If your test is positive, meaning antibodies were present in your blood, this could indicate that there is an autoimmune condition affecting your thyroid gland. If the test is negative, it is less ...

A simple blood test for thyroid stimulating hormone, commonly referred to as TSH, is the first step in screening persons for thyroid disease, along with T4 as well as T3, ...

These include thyroid-stimulating hormone, or TSH, which stimulates the thyroid gland to release two other hormones: triiodothyronine, or T3, and thyroxine, or T4.

You may have antithyroglobulin antibodies in your blood if you have: ‌‌Hypothyroidism. Your body doesn’t make or release enough thyroid hormone for your metabolic rate.

More than 20 million Americans have some form of thyroid disease, according to the American Thyroid Association, but up to 60 percent don't know it. A simple blood test to check your thyroid's ...

From CBC to CMP and beyond, blood test panels provide essential information to health practitioners. ... and thyroxine, or T4. The thyroid function panel measures the levels of these hormones to ...

Learn more about the best at-home blood tests here. Best At-Home Blood Tests: A 2025 Guide. ... determining thyroid gland function and detecting infections like COVID, flu, ...

A test to measure the level of thyroid-stimulating immunoglobulin (TSI) in your blood is available. Your doctor may order it if you have signs of hyperthyroidism.