The OneStep HBeAg Rapid Test is a direct binding test for the visual detection of hepatitis B e antigen (HBeAg) in serum,to be used as an aid in the diagnosis of hepatitis B infection. The OneStep HBeAg Rapid Test is based on the principle of sandwich immunoassay for the determination of HBeAg in serum. Monoclonal and polyclonal antibodies are employed to identify HBeAg specifically. This one step test is very sensitive and only takes 10-20 minutes. Test results are read visually without any need for additional instrumentation.