Anti-Myelin Associated Glycoprotein (MAG) IgM
Use
The BUHLMANN Anti-MAG™ ELISA is intended for the quantitative in vitro diagnostic determination of human IgM autoantibodies directed against Myelin Associated Glycoprotein (MAG).1
Special Instructions
To avoid delays in turnaround time when requesting multiple tests on frozen samples, please submit separate frozen specimens for each test requested. Lipemic samples can be avoided by having the patient fast for 12 hours prior to collection.
Limitations
This test was developed and its performance characteristics determined by Labcorp. It has not been cleared or approved by the Food and Drug Administration. The clinical presentation of anti-MAG neuropathy can be variable, and the presence of anti-MAG antibodies must be interpreted in the context of clinical symptoms and other diagnostic findings.
Methodology
Immunoassay (ELISA)
Biomarkers
LOINC Codes
- 21411-4
- 21411-4
Result Turnaround Time
4-7 days
Related Documents
For more information, please review the documents below
Specimen
Serum
Volume
0.3 mL
Minimum Volume
0.1 mL
Container
Gel-barrier tube or red-top tube
Collection Instructions
Separate serum from cells. Transfer the serum into a LabCorp PP transpak frozen purple tube with screw cap (LabCorp No. 49482). Freeze immediately and maintain frozen at ≤ -20°C until tested.
Patient Preparation
Lipemic samples can be avoided by having the patient fast for 12 hours prior to collection.
Storage Instructions
Freeze
Causes for Rejection
Non-serum sample received; non-frozen serum received; grossly lipemic, hemolytic or icteric sample received; cryoglobulin present
Stability Requirements
| Temperature | Period |
|---|---|
| Frozen | 1 year (stability determined by manufacturer or literature reference) |