Test ID: Q0435
CPT code: 86364
LOINC: 31017-7
Specimen Type: Red or SST
Frequency: 2 – 3 days
Instructions: 1 mL Serum from Red or SST, Ambient. Min 0.5 mL.
Text: Detection of antibodies to aid in the diagnosis of gluten-sensitive enteropathy (GSE), such as celiac disease. Studies have demonstrated that IgA endomysial antibody tests have >99% specificity for gluten-sensitive enteropathy. Recently, the endomysial antigen has been identified as the enzyme known as tissue transglutaminase (tTG).
Methodology: Enzyme immunoassay (EIA)