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TSH Levels: What High and Low Levels Mean
Medically reviewed by Kelly Wood, MD Normal thyroid-stimulating hormone (TSH) levels generally fall between 0.4 and 4.5 milliunits per liter (mU/L). If your TSH level is higher than 4.5 mU/L it ...
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Subclinical Hyperthyroidism
Subclinical hyperthyroidism is when thyroid-stimulating hormone (TSH) levels are low or undetectable, but thyroid hormone levels remain healthy. Usually, it is symptomless and may not need treatment.
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The main way to determine if you have a thyroid disorder is a TSH blood test — here's what to expect
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 ...