CPT® 86364, Under Qualitative or Semiquantitative Immunoassays
The Current Procedural Terminology (CPT®) code 86364 as maintained by American Medical Association, is a medical procedural code under the range - Qualitative or Semiquantitative Immunoassays.
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Summary
Code 86364 describes a test to identify an antibody tissue transglutaminase (TTG), such as TTG IgG or TTG IgA, in a specimen such as serum. A common lab method for this test is an immunoassay such as enzyme–linked immunosorbent assay (ELISA). The presence of TTG IgG and/or TTG IgA aids in diagnosing celiac disease, which is an autoimmune disorder that inflames the small intestine in response to dietary gluten. The test results may also help clinicians monitor patient adherence to treatment.
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