TSH levels higher than 4.5 mU/L usually indicate an underactive thyroid (hypothyroidism), and low TSH levels—below 0.4 ...

Medically reviewed by Kelly Wood, MD If you have hypothyroidism with normal TSH levels, you may still experience symptoms ...

A serum TSH result between 0.5 and 2.0 mIU/L is generally considered the therapeutic target for a standard LT4 replacement dose for primary hypothyroidism. A serum FT4 concentration in the upper ...

Q. As an authentic geezer, I’ve had so many medical tests that I think I’ve seen more acronyms than were around during the New Deal. Recently, a friend of mine suggested that I get a ...

Diagnosis Hyperthyroidism caused by a mixed pituitary adenoma that secretes prolactin and TSH. Management Trans-sphenoidal resection of the pituitary tumor. After surgery, T 3 suppression test ...

Thyroid cancer recurrence risk was not elevated among patients with high-normal vs low-normal exposure to TSH following thyroidectomy.

For more than twenty-five years, TSH methods have been able to detect the TSH elevations that are characteristic of primary hypothyroidism. Modern-day TSH methods however, with their enhanced ...