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A 36-year-old member asked:

What is a smooth muscle ab blood test and a titer test for, and what does it mean if they're positive?

1 doctor answer2 doctors weighed in
Dr. Joseph Woods
Pathology 28 years experience
Ab vs smooth muscle.: This is a test for antibody to smooth muscle. These antibodies are usually associated with autoimmune hepatitis and can be directed against actin, troponin, and tropomyosin.

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Last updated Mar 26, 2013

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