MYELIN ASSOCIATED GLYCOPROTEIN (MAG) IGM AUTOABS
Marquette General Health System
HLAB/HOL Code |
  | MAGM |
MGH LIS Test No |
  | 9414 |
Schedule |
  | Tuesday and Friday |
Testing Time |
  | 1 to 4 days |
Testing Lab |
  | Quest Valencia |
QORR Test Code |
  | M9414 |
Type |
  | Serum |
Volume |
  | 1.0 (0.5) mL |
Temperature |
  | Refrigerate |
Preservative |
  |   |
Collection Info |
  | Hemolysis is criteria for rejection. |
Clinical Utilities
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.
CPT Codes
83520
The CPT codes provided are based on AMA guidelines
and are for informational purposes only. CPT coding is the
sole responsibility of the billing party. Please direct any questions
regarding coding to the payer being billed.
Reference Range Component Information Name Method CPT Code Units Additional Comments Questions or Comments email support@mgh.org
Reference Lab Home Page
Collection Notes
MAG IGM AUTOABS
EIA
83520
units
Ref Range
<1000
Reflex Reason
Laboratory Main Page
Marquette General Health System Home Page