Itâs Our Earth Day Too The global illegal wildlife trade is bringing animals around the world to the brink. Pledge your support for national and international efforts to protect endangered species.
Interpretation Provides information to assist in interpretation of the test results. Normal serum zinc is 0.66 to 1.10 mcg/mL. Burn patients with acrodermatitis may have zinc as low as 0.4 mcg/mL; these patients respond quickly to zinc supplementation.
In the U.S., the reference range used is 0.50 to 5.5 mIU/L. According to the revised American standards (set by expert endocrinologists), 0.3 to 3.3 mIU/L should be considered as the normal TSH level in adults. Some labs consider 0.4 - 4.0 mIU/L or 0.4 - 4.5 as normal TSH levels. Normal levels of TSH for men and women are same. Symptoms of Low TSH in Men. Low TSH levels indicate hyperthyroidism. Low TSH can be noticed if pituitary gland is damaged (the condition is known as secondary hypothyroidism). Excessive intake of thyroid medicines to stimulate an under-active thyroid gland can also lead to low TSH levels.