Laboratory Test Information Guide

Details for Anti GM1, IgM serum

Test Name: Anti GM1, IgM serum
Alternate Name(s): IgM antibodies to Ganglioside Monosialic Acid
IgM antibodies to AGM1
Laboratory: Clinical Immunology
Specimen Type: 6 mL Red top Vacutainer tube

0-2 yrs: Red 1.0 pk.
2-10 yrs: 2 mL Red top
Collection Information: Collect blood aseptically in a Vacutainer tube.

Minimum volume of serum required is 0.25 mL.

Separate two aliquots and freeze for shipping.

Do not use tubes with clot activators or separators.

Grossly hemolyzed, lipemic or microbially contaminated specimens are not acceptable for analysis.
Test Schedule: Batch Analysis
Turnaround time from when specimen
is received in testing laboratory:
15 days (weekdays)
Reference Range: 
Ratio %
NegativeLess than or equal to 29
Borderline Positive30-50
Strong Positive>100

Borderline positive result should be retested after a subsequent blood draw.
Effective Date: 2010-12-14
Revised Date: 2012-11-13
Critical Value:  
Interpretive Comments: Anti-GM1 results are an aid to diagnosis only and should not be the sole criteria determining diagnosis or treatement course. Evaluate the test result with consideration of clinical presentation, patient history, and other laboratory tests.

Note: New reference range effective December 14, 2010 to reflect new manufacturer's kit.
Special Processing:  
Method of Analysis: ELISA
Critical Information Required:  
Storage & Shipment: Serum can be stored for up to 7 days at 2 8 oC. For longer storage, store at -20 oC.
Freeze 2 aliquots and store serum samples at -20C.
Ship on ice packs. Avoid freeze/thaw cycles.
System Codes: 
Referred To:  

Questions? Comments? Contact Laura Gopaul