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Results Line and Enquiries

0203 313 5353

Smooth muscle antibodies

Category Immunology
Test background

Smooth 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.

Reference range


Sample & container required RST (rust top)
Sample volume 5-10 mL (1 mL serum)
Turnaround time 4 days

This test is currently unaccredited due to a recent change in platform.