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HelpOrder Code EMAT Endomysial Antibodies, IgA, Titer, Serum
Method Name
Only orderable as a reflex. For more information see EMA / Endomysial Antibodies, IgA, Serum.
Indirect Immunofluorescence Assay (IFA)
Reporting Name
EMA Titer, S (IgA)Specimen Type
SerumSpecimen Required
Only orderable as a reflex. For more information see EMA / Endomysial Antibodies, IgA, Serum.
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 2 mL Serum
Collection Instructions: Centrifuge and aliquot serum into a plastic vial.
Specimen Minimum Volume
Serum: 0.5 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Refrigerated (preferred) | 14 days |
| Frozen | 30 days | |
| Ambient | 14 days |
Reference Values
Only orderable as a reflex. For more information see EMA / Endomysial Antibodies, IgA, Serum.
Negative
Performing Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
86231
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| EMAT | EMA Titer, S (IgA) | 27038-9 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 65091 | EMA Titer, S (IgA) | 27038-9 |
Useful For
Confirmation of a positive IgA-endomysial antibodies result
Method Description
Frozen sections of primate esophagus substrate are overlaid with dilutions of patient's serum, incubated, covered with fluorescein-conjugated IgA antiserum, and interpreted with a fluorescence microscope.(Package insert: NOVA Lite Monkey Oesophagus IFA Kit/Slides. Inova Diagnostics; 05/2018; Chorzelski TP, Beutner EH, Sulej J, et al. IgA anti-endomysium antibody: a new immunological marker of dermatitis herpetiformis and coeliac disease. Br J Dermatol. 1984;111[4]:395-402. doi:10.1111/j.1365-2133.1984.tb06601.x; Kupascinska A, Zalewski T, Chorzelski TP, et al. Disease specificity and dynamics of changes in IgA class anti-endomysial antibodies in celiac disease. J Pediatr Gastroenterol Nutr. 1987;6[4]:529-534. doi:10.1097/00005176-198707000-00006)
Reject Due To
| Gross hemolysis | Reject |
| Gross lipemia | Reject |
| Gross icterus | Reject |
Day(s) Performed
Monday through Friday