HBsAg is the hallmark of HBV infection and is the first serological marker to appear in acute hepatitis B. Most patients recovering from acute hepatitis B clear HBsAg within 4-6 months after onset ...

ANA, SMA, or anti-LKM1 ≥ 1:80 in adults and ≥ 1:20 in children; no AMA Hypergammaglobulinemia of any degree ANA, SMA or anti-LKM1 ≥ 1:40 in adults; other autoantibodies Interface hepatitis ...