Test Code TTG IgG Tissue Transglutaminase IgG
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 tTG IgG assay may aid in the diagnosis of gluten-sensitivity enteropathy (i.e., celiac disease, dermatitis herpetiformis) in tTG IgA negative patients with confirmed IgA deficiency.
CPT Code
86364