Sensory Neuropathy Antibody Panel (Ganglioside)
Test Summary
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.
Aliases
- N/A
Specimen Collection
Special Instructions
N/A
Preferred Specimen
1 mL serum
Minimum Volume
0.6 mL
Instructions
N/A
Patient Preparation
Overnight fasting is preferred
Storage
Plastic screw-cap vial
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
- Room temperature: 48 hours
- Refrigerated: 7 days
- Frozen: 21 days
Limitations
N/A
Other Acceptable Specimens
N/A
Unacceptable Specimens
Received room temperature
Order Code
SNEURG
EPIC (Premier) Code
LAB5727
Includes
Ganglioside GD1b Antibody (IgG), EIA; Ganglioside GD1b Antibody (IgM), EIA; Ganglioside GQ1b Antibody (IgG), EIA
CPT Code
- 83520 (x3)
Billing Code
- 670476
CPT Statement
Methodology
Immunoassay (IA)
FDA Status
FDA Approved
Physician Attestation of Informed Consent
N/A
Testing Laboratory
Quest Diagnostics Nichols Institute
33608 Ortega Highway
San Juan Capistrano CA, 92675
33608 Ortega Highway
San Juan Capistrano CA, 92675
Department
Reference Testing
Reference Range
| GD1b Ab (IgG) | <1:100 Titer |
| GD1b Ab (IgM) | ≤1:800 Titer |
| GQ1b Ab (IgG) | <1:100 Titer |
Setup Schedule / Expected Turnaround Time
Monday, Wednesday evening; Report available: 2 days
Specimen Collection
Special Instructions
N/A
Preferred Specimen
1 mL serum
Minimum Volume
0.6 mL
Instructions
N/A
Patient Preparation
Overnight fasting is preferred
Storage
Plastic screw-cap vial
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
- Room temperature: 48 hours
- Refrigerated: 7 days
- Frozen: 21 days
Limitations
N/A
Other Acceptable Specimens
N/A
Unacceptable Specimens
Received room temperature
Result Information
Methodology
Immunoassay (IA)
Testing Laboratory
N/A
Reference Range
| GD1b Ab (IgG) | <1:100 Titer |
| GD1b Ab (IgM) | ≤1:800 Titer |
| GQ1b Ab (IgG) | <1:100 Titer |
Setup Schedule / Expected Turnaround Time
Monday, Wednesday evening; Report available: 2 days