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Immunology/Autoimmune Profile Tests

AMA (antimitochondrial antibody) 
This test is used when doctors are looking for evidence of Primary Biliary Cholangitis/Cirrhosis (PBC). This is because antimitochondrial antibodies are found in more than 90% of patients with this disease.

SMA (smooth muscle antibody) 
This is a test that is used to detect autoimmune diseases such as Autoimmune Hepatitis (AIH). A liver biopsy is usually necessary to confirm the diagnosis and stage of the disease.

LKM (liver/kidney/microsomal antibody) 
This test can be positive in a subtype of Autoimmune Hepatitis.