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HelpTest Code EMAIG Endomysial Antibodies, IgG, Serum
Ordering Guidance
Cascade testing is recommended for celiac disease. Cascade testing ensures that testing proceeds in an algorithmic fashion. The following cascade tests are available; select the appropriate one for your specific patient situation.
-For complete testing including human leukocyte antigen (HLA) DQ, order CDCOM / Celiac Disease Comprehensive Cascade, Serum and Whole Blood
-For complete testing excluding HLA DQ, order CDSP / Celiac Disease Serology Cascade, Serum
-For patients already adhering to a gluten-free diet, order CDGF / Celiac Disease Gluten-Free Cascade, Serum and Whole Blood
To order individual tests, see Celiac Disease Diagnostic Testing Algorithm.
Specimen Required
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 2 mL
Collection Instructions: Centrifuge and aliquot serum into a plastic vial.
Reflex Tests
| Test ID | Reporting Name | Available Separately | Always Performed |
|---|---|---|---|
| EMAGT | EMA Titer (IgG), S | No | No |
Specimen Type
SerumSpecimen Minimum Volume
0.5 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum | Refrigerated (preferred) | 14 days | |
| Frozen | 30 days | ||
| Ambient | 14 days |
Reject Due To
| Gross hemolysis | Reject |
| Gross lipemia | Reject |
| Gross icterus | Reject |
Reference Values
Negative in normal individuals; also negative in patients with either dermatitis herpetiformis or celiac disease while adhering to gluten-free diet.
Specimen Retention Time
14 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
86231-screen
86231-titer (if appropriate)
Day(s) Performed
Monday through Friday