What is the normal level for thyroid?

As of late 2016, at most laboratories in the U.S., the official reference range for the Thyroid Stimulating Hormone (TSH) blood test runs from approximately 0.5 to 4.5/5.0. The reference range -- also sometimes called the "normal range" -- is an important part of the complete picture of thyroid diagnosis and treatment. read more

Normal thyroid levels that have been determined through a thyroid test will decide if these symptoms result from other conditions or if it is, in fact, an irregularity of the thyroid gland. Of course and as previously mentioned, a thyroid blood test can reveal serious conditions, like hyper or hypothyroidism. read more

The reference range—also sometimes called the "normal range"—is an important part of your overall thyroid diagnosis and treatment program, because the conventional endocrinology world considers it to be key to diagnosis and management of thyroid function. read more

Replacing thyroid hormone and altering your diet are crucial for the safe and effective treatment of an underactive thyroid. Summary: High TSH levels for the average adult are 4.2 mIU/L and over. This reading typically indicates an underactive thyroid. Low TSH levels. A TSH reading below 0.4 mIU/L is considered low. read more