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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