MYELIN ASSOCIATED GLYCOPROTEIN (MAG) IGM AUTOABS
Marquette General Health System

General Info

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

Specimen Info

Type

  Serum  

Volume

  1.0 (0.5) mL

Temperature

  Refrigerate

Preservative

   

Collection Info

  Hemolysis is criteria for rejection.
 
Specimen Acceptability

Methods
EIA

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

  MAG IGM AUTOABS 

Method

  EIA 

CPT Code

  83520 

Units

  units 
Ref Range   <1000 
Reflex Reason    
     
Collection Notes

Additional Comments

 

Questions or Comments email support@mgh.org

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