Laboratory Test Information Guide

Details for Myelin-Associated Glycoprotein IgM, Serum

Test Name: Myelin-Associated Glycoprotein IgM, Serum
Alternate Name(s): Anti MAG, Serum
Anti-MAG, IgM
Anti Myelin-Associated Glycoprotein IgM
Laboratory: Core
Specimen Type: Adult:
5 mL Gold top Vacutainer tube or 6 mL Red top Vacutainer tube

Pediatric:
0-2 years: Red 0.5pk.
2-10 yrs: 2 mL Red top
Collection Information: 1 mL serum is required for testing.
Requisition: GENERAL LABORATORY REQUISITION
Test Schedule: Referred out Tuesday-Thursday
Turnaround time from when specimen
is received in testing laboratory:
 
Routine
15 days
Stat
N/A
 
Reference Range: Titre:
Normal: < 1:1600
Moderately Elevated: 1:1600 - 1:3200
Highly Elevated: > 1:6400
Effective Date: 2010-01-11
Revised Date: 2019-02-14
Critical Value:  
Interpretive Comments: High concentrations of IgM MAG autoantibodies are found in approximately 50% of patients with peripheral neuropathies accompanied by IgM monoclonal gammopathies. Lower concentrations of MAG IgM autoantibodies can also be found in patients with inflammatory neuropathies, multiple sclerosis, systemic lupus erythematosus and healthy individuals.
Special Processing:  
Comments: This test is available exclusively to SJH/LHSC physicians.
For more information, please contact:
The Immunology Lab Section Head, ext 35768 or Senior Technologist (ext. 36841)
Method of Analysis: EIA
Critical Information Required:  
Storage & Shipment: Store and send frozen.
Stability:
Room Temperature: 48 Hours
Refrigerated: 7 Days
Frozen: 30 Days
System Codes: 
Cerner
AMAG
 
Referred To: In-Common Laboratories Inc.

Questions? Comments? Contact Laura Gopaul