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: Clinical Immunology
Specimen Type: Adult:
5 mL Gold top Vacutainer tube or 6 mL Red top Vacutainer tube

Pediatric:
0-2 years: 0.5 mL Red Microtainer
2-10 years: 2 mL Red top tube
Collection Information: Minimum volume of serum required is 0.5 mL.
Requisition: GENERAL LABORATORY REQUISITION
Test Schedule: Batch analysis
Turnaround time from when specimen
is received in testing laboratory:
 
Routine
15 days
Stat
N/A
 
Reference Range: <1000 BTU
Effective Date: 2010-01-11
Revised Date: 2021-07-28
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 restricted to neurologists at LHSC/SJHC upon approval by Dr. Budhram.

Accepted from referred in locations.
Method of Analysis: ELISA
Critical Information Required:  
Storage & Shipment: Stability:
Room Temperature: 48 hours
Refrigerated: 30 days
Frozen: 1 year
System Codes: 
Cerner
AMAG
 
Referred To:  

Questions? Comments? Contact Laura Gopaul