Thyroid-Stimulating Hormone (TSH): What To Think About
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What To Think About
- The thyroid-stimulating hormone (TSH) test is the best screening test for conditions that can affect the thyroid gland.
- The results of a TSH test should be considered along with the results of thyroid hormone tests, especially thyroxine (T4) results. For more information about T3 and T4 testing, see the medical test Thyroid Hormone Tests.
- The upper value of the normal TSH range for adults is 4.5 mIU/L or 4.5 mU/L (SI units).
| Last updated: | June 11, 2008 |
|---|---|
| Author: | Bets Davis, MFA |
| Reviewed By: | Caroline S. Rhoads, MD - Internal Medicine, Matthew I. Kim, MD - Endocrinology & Metabolism |
| Editors: | Maria Essig, Tracy Landauer |
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