Test Code TTG IgA Tissue Transglutaminase IgA
Specimen Type
Blood
Minimum Volume
1.0 mL
Container
Plain Red
Serum/Refrigerate
Turnaround Time
Batch tested Tuesday, Wednesday and Friday.
Testing days subject to change based on volume
Methodology
Fluorescent Enzymatic Immunoassay
Reference Range
≤6.9 unit/mL Negative
Notes
Antibody results should not be used alone for diagnosis and must be interpreted in light of clinical manifestations and other test results.
The presence of the tissue transglutaminase (tTG) IgA antibody is associated with gluten-sensitive enteropathies such as celiac disease and dermatitis herpetiformis.
CPT Code
86364