Tissue Transglutaminase IgG

Test ID: Z4969

CPT code: 86364
LOINC: 32998-7
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 aids in the diagnosis of gluten-sensitive enteropathy(GSE), such as celiac disease. A negative result does not rule out celiac disease. The inclusion of tTG IgG autoantibodies is important because it is not uncommon for celiac patients to be IgA deficient. Results of this assay should be used with clinical findings & other tests.
Methodology: Enzyme immunoassay (EIA)

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