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What Is Normal Tsh Level?
A TSH test measures the amount of thyroid stimulating hormone (TSH) in your blood. TSH is produced by the pituitary gland and tells the thyroid gland to make and release the hormones thyroxine (T4) and triiodothyronine (T3).
See also:
-
T3 test -
T4 test
Alternative Names
Thyrotropin; Thyroid stimulating hormone
How the test is performed
Blood is typically drawn from a vein, usually from the inside of the elbow or the back of the hand. The site is...
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