What blood level of tsh indicates hypothyroidism?
Posted 4 years ago in Health & Wellness by DaPally
Normal values are 0.4 - 4.0 mIU/L.However, those without signs or symptoms of an underactive thyroid who have a TSH value over 2.0 mIU/L but normal T4 levels may develop hypothyroidism in the future. This is called subclinical hypothyroidism (mildly underactive thyroid) or early-stage hypothyroidism. Anyone with a TSH value above this level should be followed very closely by a doctor.If you are being treated for a thyroid disorder, your TSH level should be between 0.5 and 3.0 mIU/L.Normal value ranges may vary slightly among different laboratories. Talk to your doctor about the meaning of your specific test results.What Abnormal Results Mean
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