Table 3.
Screening Results
| HBsAg | Total anti-HBc | IgM anti-HBc | Anti-HBs | Interpretation |
|---|---|---|---|---|
| Negative | Negative | Negative | Negative | Never infected and no evidence of infection |
| Positive | Positive | Negative | Negative | Chronic infection |
| Positive | Positive | Positive | Negative | Acute infection |
| Negative | Positive | Negative | Positive | Recovered from past infection and immune |
| Negative | Negative | Negative | Positive | Immune (Immunization or natural) |
Abbreviations: anti-HBc, hepatitis B core antibody; anti-HBs, hepatitis B surface antibody; IgM anti-HBc, hepatitis B core IgM antibody.
Adapted from: Weinbaum CM, Williams I, Mast EE, et al; Centers for Disease Control and Prevention. Recommendations for identification and public health management of persons with chronic hepatitis B virus infection. MMWR Recomm Rep. 2008;57(RR-8):4.