Medyra
Thyroid

Reviewed: 13. Juli 2026

TRAK TSH Receptor Antibodies (TRAb)

Unit: IU/l

Quick Explanation

TRAb are antibodies that activate the thyroid's TSH receptor and can trigger overactivity. An elevated value is typical for Graves' disease and helps distinguish it from other causes of thyroid overactivity.

📊 Reference Values

Normal
0 – 1.75 IU/l
Elevated
above 1.75 IU/l

ℹ️ Reference ranges may vary slightly between laboratories. Always compare your value with the reference range from your own lab report.

🔍 Possible Causes

Value too high — possible causes

  • ·Graves' disease
  • ·Autoimmune thyroid overactivity

This list shows possible causes — not a diagnosis. Only your doctor can correctly interpret your result.

🩺 Questions for Your Doctor

  • Does this value confirm Graves' disease?
  • How will my thyroid overactivity be treated further?

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Medical Disclaimer

The content on this page is for general information only and does not replace professional medical advice, diagnosis, or treatment. Always consult your doctor or pharmacist for health-related questions. Lab values should always be assessed in the context of your personal medical history.

TRAb: TSH Receptor Antibodies explained | Medyra | Medyra AI