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HelpTest Code GAES Ganglioside Antibodies Evaluation, Serum
Specimen Required
Patient Preparation: For optimal antibody detection, specimen collection is recommended to occur prior to initiation of immunosuppressant medication or intravenous immunoglobulin treatment.
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container/Tube:
Preferred: Red top
Acceptable: Serum gel
Submission Container/Tube: Plastic vial
Specimen Volume: 1 mL
Collection Instructions: Centrifuge and aliquot serum into a plastic vial.
Reflex Tests
| Test ID | Reporting Name | Available Separately | Always Performed |
|---|---|---|---|
| IGDTS | IgG Disialo GD1b Titer, S | No | No |
| IMDTS | IgM Disialo GD1b Titer, S | No | No |
| IGMTS | IgG Monos GM1 Titer, S | No | No |
| IMMTS | IgM Monos GM1 Titer, S | No | No |
Specimen Type
SerumSpecimen Minimum Volume
0.5 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum | Refrigerated (preferred) | 28 days | |
| Frozen | 28 days | ||
| Ambient | 72 hours |
Reject Due To
| Gross hemolysis | Reject |
| Gross lipemia | Reject |
| Gross icterus | Reject |
Reference Values
GQ1b-IgG ELISA: Negative
IgG Disialo. GD1b: Negative
IgM Disialo. GD1b: Negative
IgG Monos. GM1: Negative
IgM Monos. GM1: Negative
IgG Disialo GD1b Titer: <1:2000
IgM Disialo GD1b Titer: <1:2000
IgG Monos GM1 Titer: <1:2000
IgM Monos GM1 Titer: <1:4000
Day(s) Performed
Monday, Wednesday, Friday
Report Available
5 to 8 daysSpecimen Retention Time
28 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
83516 x5
83520 x4 (if applicable)