<prompt> A 30 year old patient presented with history of jaundice for 10 days. His liver function tests showed bilirubin of 10 mgdl, SGOTSGPT - 11001450, serum alkaline phosphatase - 240 LU. He was positive for Hbs Ag. What should be the confirmatory test to estabilish acute hepatitis B infection -Ig M anti-HBc antibodyHbe AgHBV DNV by PCRAnti-HBc antibody  <response>: Ans. is a i.e., Ig M anti-HBc antibody . Has been explained . Ig M anti-HBc antibody is the marker of acute or recent HBV infection. 