Ganglioside antibodies - GQ1b
Clinical Indications (specialist request only)
Please note: Antibodies to GQ1b are found in 90-100% of
patients with Miller-Fisher Syndrome.
Detection of IgG and IgM antibodies against the ganglioside
Request via ICE
Assay performed as required.
It is essential to provide relevant clinical information.
No special preparation is required.
All samples are generally sent to referral
laboratory within 3 working days of receipt in the
laboratory. Assay is performed as required
Serum in red top tube
Gold top (SST) tube will be accepted
Samples should be transported to the laboratory as soon as is
Causes for Rejection
Unlabelled/inadequately labelled sample
Inadequately completed request form
Delay in sample reaching laboratory.
Aliquot and store at 4-8°C prior to testing and at -20°C or
below for up to 1 month after receipt.
Samples are tested for the presence of anti GQ1b antibodies by
Enzyme Immunoassay and the results reported as Positive or