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Geisinger Medical Laboratories Test Catalog
GANGLIOSIDE GM-1 ANTIBODIES (IGG, IGM), EIA |
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ORDERING INFORMATION: |
Geisinger Epic Procedure Code: LAB1135 Geisinger Epic ID: 52465 | |
SPECIMEN COLLECTION |
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Specimen type: |
Serum | |
Preferred collection container: |
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Alternate Collection Container: |
6 mL red-top (plain, non-serum separator) tube
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Specimen required: |
1 mL serum; minimum 0.2 mL. | |
Patient preparation: |
Overnight fasting is preferred. | |
| SPECIMEN PROCESSING |
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Specimen processing instructions: |
Centrifuge and aliquot. | |
Transport temperature: |
Refrigerated (cold packs). | |
Specimen stability: |
Room temperature: 48 hours. Refrigerated: 14 days. Frozen: 30 days. | |
Rejection criteria: |
Received room temperature. | |
TEST DETAILS |
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CPT code(s): |
83520 (x2) | |
| Note: The billing party has sole responsibility for CPT coding. Any questions regarding coding should be directed to the payer being billed. The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only. | ||
Test includes: |
Ganglioside Antibody IgG and IgM. | |
Methodology: |
Immunoassay |
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Synonyms: |
Quest test code 37093, Gang AB G/M
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Clinical significance: |
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. | |