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Myelin Associated Glycoprotein (MAG) Antibody, with Reflex to MAG-SGPG and MAG, EIA
MessageOvernight fasting is preferred.
If MAG Antibody (IgM), WB is positive, MAG-SGPG Antibody (IgM), EIA and MAG Antibody (IgM), EIA, will be performed at an additional charge (CPT code(s): 83520 x2)
Test Code
Alias/See Also
LAB12865,MAG Antibody
CPT Codes
84181
Includes
Preferred Specimen
2 mL serum
Patient Preparation
Overnight fasting is preferred
Minimum Volume
1 mL
Instructions
Transport Temperature
Refrigerated
Specimen Stability
Room temperature: 24 hours Refrigerated: 7 days Frozen: 30 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolyzed, lipemic, bacterially contaminted.
Methodology
Western Blot (WB)
This test was developed and its performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by the U.S. Food and Drug Administration. The FDA has determined that such clearance or approval is not necessary. Performance characteristics refer to the analytical performance of the test.
FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by the U.S. Food and Drug Administration. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Setup Schedule
Mon, Sat a.m.
Report Available
11 Days
Reference Range
MAG Ab (IgM), WB Negative
MAG-SGPG Ab (IgM), EIA ≤1:1600 titer
MAG Ab (IgM), EIA <1:1600 titer
MAG Antibody (IgM), EIA
Clinical Significance
Performing Laboratory
Quest Diagnostics Nichols Inst San Juan Capistrano 33608 Ortega Highway San Juan Capistrano, CA 92675
Last Updated: February 1, 2012