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HelpTest Code TTG Tissue Transglutaminase Ab, IgA, Serum
Specimen Collection Requirements
| Alt Name: | Anti-TTG, TGTA, tTG, tTGA, Replaces Endomysial Antibody Test |
| Dept: | Chemistry |
| SPECIMEN COLLECTION REQUIREMENTS | |
| Collection Container: |
SST |
| Specimen: | Serum |
| Transport Temperature: | Frozen |
| Specimen Volume: | Preferred Volume: 1 mL; Minimum Volume: 0.5 mL |
| Also Acceptable: | Red Top Tube |
| TECHNICAL SPECIFICATIONS | |
| Performed: | Tuesdays and Thursdays |
| Reported: | Tuesdays and Thursdays |
| Methodology: | Fluoroenzymeimmunoassay (ImmunoCAP) |
| CPT: | 83516 |
| LOINC: | 46128-5 |
| Stability: | Frozen Recommended; Refrigerated: 14 Days |
| Reference Range: |
Negative: <7 U/mL Equivical: 7-10 U/mL Positive: >10 U/mL |
| Notes: | Anti-endomysial antibodies (EMA) are highly specific and sensitive markers for Celiac Disease. Recently the specific endomysial antigen has been identified as the protein crosslinking enzyme known as tissue transglutaminase (tTG). Detection of these antibodies is an aid in diagnosis of certain gluten sensitive enteropathies such as Celiac Disease and Dermatitis Herpetiformis. |