Anti-smooth muscle antibody test: Uses, procedure, and results

Anti-smooth muscle antibody test: Uses, procedure, and results

What to know about the anti-smooth muscle antibody test

By Jenna Fletcher

Reviewed by Daniel Murrell, MD

Last reviewed Fri 21 September 2018

Certain health conditions, including liver disease and hepatitis, cause the immune system to produce anti-smooth muscle antibodies. Doctors use a blood test to check for these antibodies.