MAG ‘Dual Antigen’™ Autoantibody Test

Test Code
3127

Test Details


Test code:3127
Type of disorder:Peripheral Neuropathy, Autoimmune
Disease(s) tested for:Anti-MAG Neuropathy, Anti-SGPG neuropathy
Profiles that contain this test:Motor Neuropathy Profile-Complete
SensoriMotor Neuropathy Profile with Recombx®-Complete
Sensory Neuropathy Profile with Recombx®

Technical Information


Clinical Significance:Anti-MAG and anti-SGPG antibodies are usually found in patients with a chronic, distal, symmetric peripheral neuropathy and either sensory or mixed sensory and motor symptoms.
Methodology: ELISA , Western Blot
Reference Range:See Laboratory Report

CPT Coding


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.

CPT:83520(2)

Specimen Requirements


Please label each specimen tube with two forms of patient identification. These forms of identification must also appear on the requisition form.

Specimen Type:Serum
Specimen Stability: Room temperature: 72 hours, Refrigerated: 30 days, Frozen: 4 months,
Specimen Requirements: 2 mL (0.5 mL minimum) serum in a Red-top tube or Serum Separator Tube (SST)
Instructions:Serum must be separated from whole blood within 48 hours of collection.

Shipping Considerations


Transport Temperature:Refrigerated
Reject CriteriaHemolyzed; icteric; lipemic
Set-up/Analytic Time:7-10 days

Additional Resources

Letters of Medical Necessity

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