0.5 mL Serum from a Red Top Tube in a Plastic Vial
This ELISA assay is based on purified F-Actin IgG antibodies. IgG antibodies to F-Actin are present in approximately 75% of patients with autoimmune hepatitis type 1, 65% with autoimmune cholangitis, 30% with primary biliary cirrhosis, and 2% of the healthy population.