Test ID: Z0354
CPT code: 86231
LOINC: 10362-2
Specimen Type: Red or SST
Frequency: 2 – 4 days
Instructions: 1 mL Serum from Red or SST, Refrigerated. Min 0.3 mL.
Text: Tissue transglutaminase is the autoantigen recognized by endomysial antibody in celiac disease.
Methodology: Indirect fluorescent antibody (IFA)