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infectious
Hepatitis B Surface Antibody
Anti-HBs· also: HBsAb
Clinical Overview
Anti-HBs indicates immunity to Hepatitis B — either from vaccination or recovery from infection. A level ≥10 IU/L is considered protective immunity.
Reference RangesWHO/IFCC standards
| Reference Range | Unit | Notes |
|---|---|---|
| 10 – 999 | IU/L | Protective ≥10 IU/L |
Also reported in: mIU/mL.
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Related Topics
hepatitis Bimmunityvaccination