Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog

Order Display Name: Geisinger Epic Procedure Code Or ID CPT Code:  

GANGLIOSIDE GM-1 ANTIBODIES (IGG, IGM), EIA

ORDERING INFORMATION:
Geisinger Epic Procedure Code: LAB1135         Geisinger Epic ID: 52465

SPECIMEN COLLECTION
Specimen type:
Serum
Preferred collection container:
Alternate Collection Container:
6 mL red-top (plain, non-serum separator) tube
Specimen required:
1 mL serum; minimum 0.2 mL.
Patient preparation:
Overnight fasting is preferred.

SPECIMEN PROCESSING
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
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
Synonyms:
Quest test code 37093, Gang AB G/M
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.

Performing Locations

Quest Diagnostics

Technical Lead: Michael Weaver    
Frequency: Set up: Mon, Wed night; Report available: 9 days    
Performed stat? No
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