The diagnosis of hepatitis is made by biochemical assessment of liver function. Initial laboratory evaluation usually reveals increased bilirubin levels; increased ALT, AST, and alkaline phosphatase; and decreased protein. Prothrombin time may be prolonged in cases of hepatocellular necrosis and hemoglobin may be low. Initial lymphopenia and neutropenia may be followed by lymphocytosis. Serologic markers such as Hepatitis B surface antigen (HBsAg) and anti-HBsAg; anti-HBc IgM and anti-HBc IgG; hepatitis B e antigen and anti-HBeAg confirm the diagnosis of hepatitis B. These levels fluctuate throughout the course of the disease.
Hepatitis B laboratory tests
Hepatitis C laboratory tests
Hepatitis E laboratory tests
Hepatitis B physical examination
Hepatitis C ultrasound
Hepatitis B ultrasound
Hepatitis C physical examination
Hepatitis E physical examination