ARUP's Laboratory Test Directory
| 0051689: Celiac Disease Dual Antigen Screen |
| Test Mnemonic: TTG DGP | |
|
Methodology: Enzyme Linked Immunosorbent Assay
Performed: Mon Reported: 1-8 days |
| Specimen Required: | |
|
Collect: One 4 mL SST.
Transport: 1 mL serum at 2-8°C. (Min: 0.5 mL) Submit specimen in an ARUP Standard Transport Tube. Pediatric Collection/Transport: 0.15 mL serum at 2-8°C. Unacceptable Conditions: Plasma, other body fluids. Hemolyzed, icteric, heat-inactivated, lipemic, or contaminated specimens. Stability: After separation from cells: Ambient: 2 days; Refrigerated: 2 weeks; Frozen: 1 year |
|
| Reference Interval: |
|
19 Units or less: Negative - No significant level of detectable IgA or IgG antibodies against human tissue transglutaminase or gliadin peptide. 20 Units or greater: Positive - Presence of IgA and/or IgG antibodies against human tissue transglutaminase and/or gliadin peptide; suggests possibility of certain gluten sensitive enteropathies such as celiac disease and dermatitis herpetiformis. |
| Note: | |
| This test is a combined antibody screen for tissue transglutaminase and deamidated gliadin-derived peptide antibodies, IgA and/or IgG. |
| CPT Code(s): | |
| 83516 |