There is a wide range of ganglioside antibodies, which includes IgG and IgM antibodies to GM1, GM2, GD1A, GD1B and GQ1b. GM1 antibodies are seen in Guillain-Barré syndrome. GQ1b antibodies are seen in the Miller Fisher variant.
Suspected Guillain-Barré syndrome
<500 = negative
|Sample & container required||RST (rust top), Can also be performed on CSF|
|Sample volume||5-10 mL (1 mL serum)|
|Turnaround time||28 days|
Not currently performed in house; this test is referred to Institute of Neurology, Queens Square.