Preferred Specimen(s) 1 mL serum
Transport Container Plastic screw-cap vial
Transport Temperature Refrigerated (cold packs)
Methodology ELISA
Clinical Significance Tissue Transglutaminase Antibody, IgA, is useful in diagnosing gluten-sensitive enteropathies, such as Celiac Sprue Disease, and an associated skin condition, dermatitis herpetiformis. The IgG test is useful in patients who are IgA-deficient. The IgG test also provides support for gluten-sensitive enteropathies beyond IgA the test..