Myelin associated glycoprotein (MAG) antibody, IgM

Alphabetical Test listing

Myelin associated glycoprotein (MAG) antibody, IgM-994

  
Myelin associated glycoprotein (MAG) antibody, IgM
  
994
  
LAB994
  
MSO
  
MAG Ab
MAG Antibody
MAG Antibody by ELISA
MAG IgM
  
Serum
  
  
1.0 mL
  
0.1 mL
  

Spin within 2 hours of specimen collection

  

Gold serum separator (SST) tube

  

Refrigerated (preferred) – 2 weeks

Ambient – 48 hours

Frozen – 1 year

  
  • Urine
  • Contaminated sample
  • Heat inactivated sample
  • Hemolysis
  • Severe lipemia
  
ARUP (0051285) via Labcorp (009985): R-NX
  
Tu, Th, Sa
  
4 - 6 days
  

Semi-Quantitative Enzyme-Linked Immunosorbent Assay (SQ-ELISA)

  

<1000 TU

An elevated IgM antibody concentration greater than 999 TU against myelin-associated glycoprotein (MAG) suggests active demyelination in peripheral neuropathy. A normal concentration (less than 999 TU) generally rules out an anti-MAG antibody-associated peripheral neuropathy.

  
83516
  
08/13/2021
  
08/24/2021