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Antimitochondrial antibody - Results

Normal Values:

Normally, there are no antibodies present.

What abnormal results mean:

This test is important for diagnosing primary biliary cirrhosis. Up to 94% of patients with this condition are positive for this test. Less than 1% of people without the condition test positive.

Abnormal results may also be found, less often, in people with other kinds of liver disease and some autoimmune diseases.

  • Reviewed last on: 2/10/2011
  • Michael E. Makover, MD, professor and attending in Rheumatology at the New York University Medical Center, New York, NY. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
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