Reviewed: 13. Juli 2026
Anti-HBs Hepatitis B Surface Antibodies (Anti-HBs)
Unit: IU/l
Quick Explanation
Anti-HBs antibodies indicate that sufficient immune protection against hepatitis B exists, either through vaccination or after a resolved infection. This value is often measured to check vaccination protection, such as for medical staff.
📊 Reference Values
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
- ·Successful hepatitis B vaccination
- ·Resolved hepatitis B infection with immunity
Value too low — possible causes
- ·No or insufficient vaccination protection
- ·Waning vaccination protection over time
This list shows possible causes — not a diagnosis. Only your doctor can correctly interpret your result.
🩺 Questions for Your Doctor
- →Is my hepatitis B vaccination protection still sufficient?
- →Should I get a booster vaccination?
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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.