Information Regarding Hepatitis B Results

Hepatitis B results and interpretation

Hepatitis B results are complex as they reflect different stages of hepatitis B infection. 
  • Hepatitis B surface antigen positive confirms infection and referral to specialist services is indicated.
Results Interpretation Actions
HB sAg +   coreAb +   sAb <10 Cronic Infection Refer patient - test/vaccinate contacts
HB sAg +   coreAb -    sAb <10 Chronic Infection Refer patient - test/vaccinate contacts
HB sAg +   coreAb -    sAb <10  core IgM + Acute Infection Monitor / refer if complicated / test vaccinate contacts
HB sAg -    coreAb +   sAb >10 Past infection No action required
HB sAg -    coreAb +   sAb <10 Unclear Discuss with Virologist
Hb sAg -    coreAb -    sAb 10-100 Partial response to vaccination Booster required
Hb sAg -    coreAb -    sAb >100 Full response to vaccination No action required