Myelin Associated Glycoprotein (MAG)-SGPG Antibody (IgM)

Test Code

MAGABWBMAG

Quest Code

37078

CPT Codes
83520

Preferred Specimen

1 mL serum

Patient Preparation
Overnight fasting is preferred

Minimum Volume

0.2 mL

Instructions

Avoid hemolysis.

Transport Temperature

Refrigerated (cold packs)

Specimen Stability

Room temperature: 48 hours
Refrigerated: 14 days
Frozen: 30 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Received room temperature

Methodology
Enzyme Immunoassay (EIA) • Endpoint Titered

Setup Schedule

Set up: Mon, Wed; Report available: 4 days

Reference Range

≤1:1600 titer

Clinical Significance

MAG, Antibody IgM is useful in detecting antibodies associated with autoimmune peripheral neuropathy.

Performing Laboratory

Quest Diagnostics Nichols Institute-San Juan Capistrano, CA

33608 Ortega Highway

San Juan Capistrano, CA 92675-2042

Last Updated: May 24, 2017

The CPT Codes provided in this document 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 payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.