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Ganglioside GD1a Antibody (IgM), EIA
Test Code38964
CPT Codes
83520
Preferred Specimen
1 mL serum
Patient Preparation
Overnight fasting is preferred
Minimum Volume
0.2 mL
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: 24 hours
Refrigerated: 14 days
Frozen: 30 days
Refrigerated: 14 days
Frozen: 30 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Received room temperature
Methodology
Enzyme Immunoassay (EIA)
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 FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Setup Schedule
Set up: Mon, Wed; Report available: 3-8 days
Clinical Significance
Ganglioside GD1a antibody IgM is associated with the presence of multifocal motor neuropathy, sometimes in association with IgM monoclonal gammopathy. Antibody testing can aid in the diagnosis of multifocal motor neuropathy or predominantly motor neuropathy.