High TSH levels usually mean the thyroid is underactive, which is called hypothyroidism. TSH levels can change due to factors like age, sex, and pregnancy. TSH influences thyroid hormones that control ...

Thyroid level tests, including the TSH test, help doctors diagnose thyroid conditions, including hypothyroidism or hyperthyroidism. Treatment may include hormones or other medications. The thyroid is ...

If you're like most primary care clinicians, your email inbox is flooded with messages from patients with questions about lab results. A common query: Should I be worried about an abnormal value on a ...

A blood test can check the amount of hormones that your thyroid is making. Many factors can affect these levels. (Photo credit: Jarun011/Dreamstime) A TSH test is done to find out if your thyroid ...

A TSH test measures blood levels of the thyroid stimulating hormone to diagnose a thyroid disorder. Your doctor will order a TSH test if you exhibit thyroid disorder symptoms like hair loss or fatigue ...

The thyroid-stimulating hormone (TSH) test measures the amount of TSH in the blood to convey how well a person’s thyroid functions. Normal levels are typically 0.4 to 4.0 milliunits per liter (mU/L) ...

Thyroid-stimulating hormones (TSH) help regulate your body’s production of thyroid hormone. High TSH levels mean your thyroid is underperforming, while low levels mean you’re producing too much. Your ...

The diagnosis of subclinical hypothyroidism—serum TSH levels above and T 4 levels within the laboratory reference ranges—depends critically on the upper limit of the TSH reference interval. Calls have ...