Thyroid Function
Normal range 0.4-4 mIU/L. Specimen: Serum.
Also known as: thyrotropin.
Combined adult band. LabVals does not publish separate men's, women's, or pediatric ranges for Thyroid-Stimulating Hormone (TSH); those can be narrower than the band shown.
| Specimen | Serum |
|---|---|
| Conventional range | 0.4-4 mIU/L |
| SI range | 0.4-4 mIU/L |
| Conversion factor | ×1 (conventional → SI) |
| Panel | Thyroid Function |
Convert any Thyroid-Stimulating Hormone (TSH) result between units on the unit converter.
The standard teaching reference range for Thyroid-Stimulating Hormone (TSH) is 0.4-4 mIU/L. This value is measured in serum.
Source: Adult reference values compiled from Pagana & Pagana, Mosby's Diagnostic and Laboratory Test Reference, and Fischbach & Dunning, A Manual of Laboratory and Diagnostic Tests. Reference ranges vary by laboratory, method, age, sex, and population - always use the range printed on the actual result.
Above the range
What causes a high Thyroid-Stimulating Hormone (TSH)? Read as its own page
Below the range
What causes a low Thyroid-Stimulating Hormone (TSH)? Read as its own page
At the bedside
You have the Thyroid-Stimulating Hormone (TSH) range. Premium unlocks the 6-card Thyroid Function flashcard deck with mastery tracking, study sheets that put several panels on one printable page, and unlimited practice across all 440 quiz questions - the free round stops at 10 a day.
Same panel