Test Overview
Clinical Utility
Anti-GM1 results are an aid to diagnosis only and should not be the sole criteria determining diagnosis or treatment course. Evaluate the test result with consideration of clinical presentation, patient history, and other laboratory tests.
Method
Enzyme-linked immunosorbent assay (ELISA)
Result Included
GM1 Ganglioside Antibodies
Aliases/Synonyms
Ganglioside Monosialic Acid Antibodies; Anti-GM1 Antibodies; GM-1 Antibodies; Asialo GM1 Antibodies
Specimen
Specimen Type
Avoid gel separator tubesSerum
Volume
Sample Volume
1.0 mL
Minimum Volume
0.5 mL
Specimen Comment
Avoid gel separator tubes.
Collection & Handling
Handling Information
Store and send cold.
Stability
| Refrigerated | Frozen |
|---|---|
| 14 days | 30 days |
Avoid freeze/thaw cycles.
Rejection Criteria
| Criteria | Specification |
|---|---|
| Hemolysis | Gross |
| Lipemia | Gross |
| Specimen | Microbial contamination |
Performance & Interpretation
Turnaround Time
20 days
Results
Name
Units
Reference Range
Conversion
-
GM1 Ganglioside AntibodiesRatio (%)Negative: ≤29
Borderline Positive: 30 - 50
Positive: 51 - 100
Strong Positive: >100
Comment
Borderline positive results should be recollected and tested.
Referral Location
Canada
Interface & Setup
HL7 Interface Codes
| Order Code | Result Name | Result Codes | Units |
|---|---|---|---|
| GM1AB | Anti GM1 Ganglioside | 28710 | Ratio% |
Test Version
Last Updated
2025-07-17