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Sensory Neuropathy Antibody Panel (Ganglioside) : 90124
Test CodeSNAB or 90124
Alias/See Also
Ganglioside Antibody
CPT Codes
83520x3
Includes
Ganglioside GD1b Antibody (IgG), EIA; Ganglioside GD1b Antibody (IgM), EIA; Ganglioside GQ1b Antibody (IgG), EIA
Instructions
Overnight fasting is preferred.
Serum separator tube.
Serum separator tube.
Transport Container
Centrifuge serum separator tube and transport refrigerated, 1 mL (Min: 0.6 mL).
Transport Temperature
Refrigerated.
Specimen Stability
Room temperature: 48 hours; Refrigerated: 7 days; Frozen: 21 days
Methodology
Immunoassay (IA)
Setup Schedule
Monday & Wednesday
Report Available
3-8 days (From receipt at performing laboratory)
Reference Range
GD1b Ab (IgG) <1:100 Titer
GD1b Ab (IgM) ≤1:800 Titer
GQ1b Ab (IgG) <1:100 Titer
GD1b Ab (IgM) ≤1:800 Titer
GQ1b Ab (IgG) <1:100 Titer
Clinical Significance
Gangliosides GD1b IgG is associated with acute motor and sensory axonal neuropathy with associated cerebellar ataxia and ataxic presentations of Guillain-Barré Syndrome. GQ1b IgG may be associated with Miller-Fisher Syndrome. GQ1b IgM antibody is associated with chronic sensory ataxic neuropathy.
Performing Laboratory
Quest Diagnostics
