A number of specific antibodies found in the blood ( antinuclear antibody ( ANA ), anti-smooth muscle antibody ( SMA ), liver / kidney microsomal antibody ( LKM-1, LKM-2, LKM-3 ), anti soluble liver antigen and liver pancreas antigen ( SLA / LP ) and anti-mitochondrial antibody ( AMA ) ) are of use, as is finding an increased Immunoglobulin G level.
