text: HCV means Hepatitis C Virus.\nElevations in the different classes of immunoglobulins (antibody) are sometimes useful in determining the cause of liver damage in patients whom the diagnosis is unclear:\ntotal IgA is elevated in alcoholic cirrhosis; \ntotal IgM is elevated in viral hepatitis and primary biliary cirrhosis; \ntotal IgG is elevated in viral hepatitis, autoimmune hepatitis and cirrhosis. \nHCV IgG ELISA is an enzyme-linked immuniosorbent assay (ELISA) for the qualitative determination of antibody Hepatitis C Virus human serum or plasma.\nPlease see the Google search for more details on Hepatitis C Virus Immunoglobulin G.