Test BackgroundSmooth muscle antibodies at a high titre are found in around 90 % of patients with type 1 autoimmune hepatitis. These antibodies occur in 5-15 % of normal subjects at low titre and can be triggered by infection.
Clinical Indications Differential diagnosis of chronic hepatitis.
Sample Required RST (rust top)
Sample Volume 5-10 mL (1 mL serum)
Turnaround Time 4 days