Ganglioside GM-1 Antibodies (IgG,& IgM), EIA
Test Summary
Ganglioside GM-1 Antibody IgG is associated with the Guillain-Barre syndrome, particularly the acute motor axonal neuropathy variant. Antibody IgM is associated with chronic multifocal motor neuropathy.
Aliases
- N/A
Specimen Collection
Special Instructions
N/A
Preferred Specimen
1 mL serum
Minimum Volume
0.2 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: 14 days
- Frozen: 30 days
Limitations
N/A
Other Acceptable Specimens
N/A
Unacceptable Specimens
Received room temperature
Order Code
GANGGM
EPIC (Premier) Code
LAB3872
Includes
Ganglioside Antibody IgG and IgM
CPT Code
- 83520 (x2)
Billing Code
- 700000
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
Reference Range
| GM-1 Antibody (IgG) | <1:800 titer |
| GM-1 Antibody (IgM) | <1:800 titer |
IgG, IgM Antibodies to Ganglioside GM1
| Normal | <1:800 |
| Moderately elevated | 1:800-1:3200 |
| Highly elevated | ≥1:6400 |
Setup Schedule / Expected Turnaround Time
Monday, Wednesday evening; Report available: 9 days
Specimen Collection
Special Instructions
N/A
Preferred Specimen
1 mL serum
Minimum Volume
0.2 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: 14 days
- Frozen: 30 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
| GM-1 Antibody (IgG) | <1:800 titer |
| GM-1 Antibody (IgM) | <1:800 titer |
IgG, IgM Antibodies to Ganglioside GM1
| Normal | <1:800 |
| Moderately elevated | 1:800-1:3200 |
| Highly elevated | ≥1:6400 |
Setup Schedule / Expected Turnaround Time
Monday, Wednesday evening; Report available: 9 days