Interpret Your Thyroid Stimulating Hormone Results
Enter your TSH value below and get an instant, free AI interpretation — a plain-English explanation checked against WHO/IFCC reference ranges.
Medical Disclaimer
This AI-generated interpretation is for educational purposes only and does not constitute medical advice, diagnosis, or treatment. Results may vary based on individual health factors not captured here.
Always consult a qualified healthcare professional before making any health decisions. Read full disclaimer →
Thyroid Stimulating Hormone Normal Ranges
TSH is secreted by the pituitary gland to control thyroid hormone production.
| Age Group | Sex | Reference Range | Unit | Notes |
|---|---|---|---|---|
| Adults (18–64) | All | 0.4 – 4 | mIU/L | — |
| Elderly (65+) | All | 0.5 – 6 | mIU/L | Higher range acceptable in elderly |
| All ages | Female | 0.1 – 2.5 | mIU/L | Pregnancy first trimester |
Also reported in: µIU/mL.
Critical (Panic) Values
Critical Low: < 0.01 mIU/L. Critical High: > 100 mIU/L. Values outside these limits require immediate clinical attention.
Common Causes of High TSH
Common Causes of Low TSH
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