Above the range
Common causes of a high Thyroid-Stimulating Hormone (TSH)
- Primary hypothyroidism
- Hashimoto thyroiditis
- Recovery from illness
- Some medications
Looking for the other direction? See what causes a low Thyroid-Stimulating Hormone (TSH).
All tests · Thyroid Function · Thyroid-Stimulating Hormone (TSH)
Above the range
Normal range 0.4-4 mIU/L. Specimen: Serum. See the full Thyroid-Stimulating Hormone (TSH) reference page for critical values and nursing considerations.
Above the range
Looking for the other direction? See what causes a low Thyroid-Stimulating Hormone (TSH).
The standard teaching reference range for Thyroid-Stimulating Hormone (TSH) is 0.4-4 mIU/L. This value is measured in serum.
| Specimen | Serum |
|---|---|
| Conventional range | 0.4-4 mIU/L |
| SI range | 0.4-4 mIU/L |
| Panel | Thyroid Function |
Full details, including nursing considerations, on the Thyroid-Stimulating Hormone (TSH) normal range page. Reference ranges vary by laboratory, method, age, sex, and population - always use the range printed on the actual result.
Same panel