Laboratory Services
Anti Endomysial, IgA (by IFA)
Print this pageUpdated Test Information:
| Test Description |
Anti Endomysial, IgA (by IFA)
|
|
|---|---|---|
| Synonym(s) |
Celiac, Celiac Ab, Endomysium, Sprue, UOW866 |
|
| Test ID |
AEMYA
|
|
| General Information |
The presence of IgA endomysial autoantibodies by indirect immunofluorescence is suggestive of active gluten sensitive enteropathies such as celiac disease. Results are primarily useful for diagnosis; they may also be used for monitoring response to treatment with a gluten-free diet, but results are semi-quantitative. |
|
| Container Type |
3 mL blood in Red Top or SST tube |
|
| Specimen Type |
Blood |
|
| Specimen Requirements |
1 mL serum |
|
| Specimen Collection / Processing Instructions |
Aliquot and freeze serum at -20c |
|
| Minimum Sample Volume |
0.3 mL serum |
|
| Stability |
Frozen at -20°C |
|
| Limitations |
Anti-smooth muscle antibodies may obscure endomysial staining. The test cannot be used for patients with IgA deficiency. |
|
| Department (code) |
Immunology (IMM) |
|
| Methodology |
Indirect immunofluorescence (IFA) using INOVA monkey esophagus tissue to detect IgA autoantibodies. |
|
| Testing Schedule |
Wednesday, Friday. Negative results same day. Positive results on next run. |
|
| CPT Code(s) |
86231 |
|
| Reference Range |
Negative |
|
| STAT Orderable (Y/N) |
No |
|
| Performing Lab |
UW |
|
| LOINC Code(s) |
46126-9 |
