The Actin (Smooth Muscle) Antibody (IgG) test contains 1 test with 1 biomarker.
Actin is the major antigen to which smooth muscle antibodies react in autoimmune hepatitis. F-Actin IgG antibodies are found in 52-85% of patients with autoimmune hepatitis (AIH) or chronic active hepatitis and in 22% of patients with primary biliary cirrhosis (PBC). Anti-actin antibodies have been reported in 3-18% of sera from normal healthy controls.
The following is a list of what is included in the item above. Click the test(s) below to view what biomarkers are measured along with an explanation of what the biomarker is measuring.