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HelpTest Code MAGES Myelin-Associated Glycoprotein Autoantibodies, IgM, Serum
Reporting Name
MAG IgM, SPerforming Laboratory
Mayo Clinic Laboratories in Rochester
Useful For
Evaluating peripheral neuropathy
Evaluating paraproteinemic neuropathy
Method Name
Enzyme-Linked Immunosorbent Assay (ELISA)Specimen Required
Collection Container/Tube:
Preferred: Red top
Acceptable: Serum gel
Submission Container/Tube: Plastic vial
Specimen Volume: 1 mL
Collection Instructions: Centrifuge and aliquot serum into a plastic vial.
Specimen Type
SerumSpecimen Minimum Volume
0.5 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum | Refrigerated (preferred) | 28 days | |
| Frozen | 28 days | ||
| Ambient | 72 hours |
Reject Due To
| Gross hemolysis | Reject |
| Gross lipemia | Reject |
| Gross icterus | Reject |
Reference Values
<1500 Buhlmann Titer Unit
Interpretation
A positive result is consistent with anti-myelin-associated glycoprotein neuropathy.
Day(s) Performed
Tuesday, FridayReport Available
2 to 6 daysTest Classification
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.CPT Code Information
83520
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| MAGES | MAG IgM, S | 39087-2 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 607034 | MAG IgM, S | 39087-2 |
Forms
If not ordering electronically, complete, print, and send a Neurology Specialty Testing Client Test Request (T732) with the specimen.