Code 86231 describes a test to identify an antibody to each immunoglobulin (Ig) class of endomysial antibody (EMA), such as EMA IgG or EMA IgA, in a specimen such as serum. A common lab method for this test is an immunoassay, such as indirect immunofluorescence assay (IFA). The presence of EMA IgG and/or EMA IgA aids in diagnosing the autoimmune disorders celiac disease, which inflames the small intestine in response to dietary gluten, or dermatitis herpetiformis, which is a recurring skin rash. The test results may also help clinicians monitor patient adherence to treatment.
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