Ganglioside (GM1, GD1, GQ1b) Antibodies, IgG and IgM


Sunquest Code:GANGAB  
Epic Code:LAB7014Epic Name:Ganglioside Antibodies, IgG and IgM
Synonyms:Miller-Fisher Syndrome; GQ1B Antibody Test
Methodology:ELISA
CPT Code:83516 x6
Turnaround Time:Specimens are sent to reference laboratory Mon-Sat; results are reported in 1-8 days.
Compliance:

This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been approved or cleared by the US Food and Drug Administration (FDA). The results are not intended to be used as the sole means for clinical diagnosis or patient management decisions.



Collection Instructions

Specimen:Blood
Optimal Volume:0.6 mL
Minimum\Peds Volume:0.4 mL
Container:Red or gold (gel) (Red (no gel))
Causes for Rejection:CSF, plasma, or other body fluids. Room temperature specimens. Contaminated, heat-inactivated, hemolyzed, severely icteric or lipemic specimens.


Processing and Shipping

Specimen Processing:Centrifuge and aliquot 3 mL, 0.1 mL minimum. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Test Performed at or Referral Lab Lab Sendouts  (ARUP)
Referral Lab number:2004998


Interpretive

Reference Range:

 

GD1b Antibody, IgM

29 IV or less

Negative

30-50 IV

Equivocal

51-100 IV

Positive

101 IV or greater

Strong positive

 

GD1b Antibody, IgG

29 IV or less

Negative

30-50 IV

Equivocal

51-100 IV

Positive

101 IV or greater

Strong positive

 

GQ1b Antibody, IgG

29 IV or less

Negative

30-50 IV

Equivocal

51-100 IV

Positive

101 IV or greater

Strong positive

 

GQ1b Antibody, IgM

29 IV or less

Negative

30-50 IV

Equivocal

51-100 IV

Positive

101 IV or greater

Strong positive

 

 

Use:Detection of anti-GQ1b antibodies.


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