Normal Reference Ranges
Adult
< 10 (Non-reactive) | >= 10 (Reactive) mIU/mL
Pediatric
Same as adult mIU/mL
Clinical Significance
Confirms immunity to Hepatitis B virus. Value >= 10 mIU/mL indicates protective immunity.
Causes of High
- Immunity from HBV vaccination
- Recovery from acute/chronic HBV infection
Causes of Low
- No immunity to HBV