A TSH, or thyroid-stimulating hormone, level of 21 is moderately dangerous, according to WebMD. Normal TSH levels for adults are between 0.4 and 4.2 microunits per milliliter, so a TSH of 21 potentially requires treatmen... More »

www.reference.com Health Medical Ranges & Levels

TSH stands for thyroid stimulating hormone, which is a hormone released by the hypothalamus to stimulate the release of hormones from the thyroid gland. The TSH level refers to the amount of TSH found in the blood. A per... More »

TSH refers to thyroid-stimulating hormone, while TRH is thyrotropin-releasing hormone, states WebMD. When the hypothalamus releases TRH, the TRH prompts the pituitary gland to release TSH. More »

www.reference.com Health Medical Ranges & Levels

The normal TSH, or thyroid-stimulating hormone, level in the blood is 0.4 to 4.2 microunits per milliliter, according to WebMD. In children, the normal TSH level is 0.7 to 6.4 microunits per milliliter. For newborns, a n... More »

www.reference.com Health Medical Ranges & Levels

A TSH, or thyroid-stimulating hormone, level of 100 is very high, and it rests well above the normal range of 0.4 to 4.2 microunits per milliliter for healthy adults. A level of 100 even greatly surpasses expected TSH le... More »

Thyroid-stimulating hormone test charts show the reference range for TSH blood test results, and are used to determining whether a person has thyroid problems, according to WebMD. Other heath factors are also considered,... More »

A TSH high-sensitivity blood test is used to check the level of TSH, or thyroid-stimulating hormone, in the blood in order to diagnose or monitor problems with the thyroid gland, states WebMD. It is classified as high se... More »