Interpretation of Hepatitis B Serologic Test Results Hepatitis B serologic testing involves measurement of several hepatitis B ■ Hepatitis B surface virus (HBV)-specific antigens and antibodies. Different serologic “markers” antigen (HBsAg): or combinations...
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Interpretation of Hepatitis B Serologic Test Results Hepatitis B serologic testing involves measurement of several hepatitis B ■ Hepatitis B surface virus (HBV)-specific antigens and antibodies. Different serologic “markers” antigen (HBsAg): or combinations of markers are used to identify different phases of HBV A protein on the surface infection and to determine whether a patient has acute or chronic HBV of hepatitis B virus; it can infection, is immune to HBV as a result of prior infection or vaccination, or be detected in high levels is susceptible to infection. in serum during acute or chronic hepatitis B virus infection. The presence of Tests Results Interpretation HBsAg indicates that the HBsAg negative Susceptible person is infectious. The anti-HBc negative body normally produces anti-HBs negative antibodies to HBsAg as part of the normal immune HBsAg negative Immune due to natural infection response to infection. anti-HBc positive HBsAg is the antigen used anti-HBs positive to
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