for Health Care Providers
Interpretation of Test Results - Hepatitis A
| Neg=negative (i.e. undetectable) Pos=Positive (i.e. detectable) NA= not available | ||
| Immune due to previous hepatitis A infection | Pos | Neg or NA |
|---|---|---|
| Successfully vaccinated (protected from hepatitis A infection) | Pos | Neg or NA |
| Susceptible to hepatitis A infection Never vaccinated, or vaccinated but did not maintain antibody response | Neg | Neg or NA |
| Acute hepatitis A infection | Pos or NA | Pos |
| Insufficient data/provider ordered wrong test Cannot determine immunity without Hep A Ab total | NA | Neg |
