The OnSite HBV-5 Rapid Test is a lateral flow chromatographic immunoassay for the qualitative detection of hepatitis B surface antigen (HBsAg), hepatitis B surface antibody (HBsAb), hepatitis B e-antigen (HBeAg), hepatitis B e-antibody (HBeAb), and hepatitis B core antibody (HBcAb) in human serum or plasma. It is intended to be used by healthcare professionals to aid in the diagnosis of infection with hepatitis B virus (HBV). Any use or interpretation of this preliminary test result must also rely on other clinical findings and the professional judgment of healthcare providers. Alternative test method(s) should be considered to confirm the test results obtained by this device.