<prompt> Occult hepatitis B is:HBV DNA 104 copiesml with HBsAg negativeHBV DNA 104 copiesml with HBsAg positiveHBV DNA 104 copiesml with HBeAg negativeHBV DNA 104 copiesml with HBeAg positive  <response>: Occult hepatitis B is defined by the presence of HBV DNA in serum or liver in the absence of HBsAg. Serum HBV level is usually less than 104 copiesml. Occult HBV infection has been found in patients with HCC, past HBV infection, or chronic hepatitis C, and individuals without HBV serological markers. 