Expected Turnaround Time
2 - 4 days
Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.
Related Documents
For more information, please view the literature below.
Bowel Disorders Evaluation Rule-out Cascade: Applying Exclusionary Criteria to Assist Diagnosis
Specimen Requirements
Specimen
Serum
Volume
1 mL
Minimum Volume
0.3 mL (Note: This volume does not allow for repeat testing.)
Container
Red-top tube or gel-barrier tube
Storage Instructions
Refrigerate
Stability Requirements
Temperature | Period |
|---|---|
Room temperature | 14 days |
Refrigerated | 14 days |
Frozen | 14 days |
Freeze/thaw cycles | Stable x3 |
Causes for Rejection
Lipemia; hemolysis; microbially-contaminated sera
Test Details
Use
Tissue transglutaminase is the autoantigen recognized by endomysial antibody in celiac disease.1
Methodology
Indirect fluorescent antibody (IFA)
Footnotes
1. Dieterich W, Ehnis T, Bauer M, et al. Identification of tissue transglutaminase as the autoantigen of celiac disease. Nat Med. 1997 Jul; 3(7):797-801.9212111
References
Biagi F, Pezzimenti D, Campanella J, Vadacca GB, Corazza GR. Endomysial and tissue transglutaminase antibodies in coeliac sera: A comparison not influenced by previous serological testing. Scand J Gastroenterol. 2001 Sep; 36(9):955-958.11521986
National Institute of Health Consensus Development Conference Statement on Celiac Disease. NIH Consens State Sci Statements. 2004 Jun 28-30; 21(1):1-23.17308551
LOINC® Map
| Order Code | Order Code Name | Order Loinc | Result Code | Result Code Name | UofM | Result LOINC |
|---|---|---|---|---|---|---|
| 164996 | Endomysial Antibody IgA | 10362-2 | 164997 | Endomysial Antibody IgA | 10362-2 |
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