Tissue Transglutaminase Antibody, IgA
| Sunquest Code: | TTGA | ||
| Epic Code: | LAB723 | Epic Name: | Tissue Transglutaminase Antibody IGA |
| Synonyms: | TTG Antibody, IgA; Celiac Disease; Coeliac Disase, Malabsorption | ||
| Methodology: | FEIA (by ImmunoCAP) | ||
| CPT Code: | 83516 | ||
| Turnaround Time: | Performed two times a week; results are reported within 4 days. | ||
Collection Instructions
| Specimen: | Blood |
| Optimal Volume: | 1 mL |
| Minimum\Peds Volume: | 0.6 mL |
| Container: | Red or gold (gel) (Purple (EDTA), Red (no gel)) |
| Causes for Rejection: | Hemolyzed, lipemic or microbially contaminated specimens. Samples not separated from cells within 2 hours of collection. |
Processing and Shipping
| Specimen Processing: | Within 2 hours of collection, centrifuge and aliquot 0.5 mL, 0.2 mL minimum. Store in refrigerator. |
| Shipping Instructions: | Ship at refrigerated temperature. |
| Test Performed at or Referral Lab | Endocrine (UMMC-East Bank) |
Interpretive
| Reference Range: |
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| Use: | Autoantigen of interest in celiac disease. See Tissue Transglutaminase Antibodies, IgA and IgG. |
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