Biomarkers · Chemical
We have not added a physiological summary for this biomarker yet. Compare the commercial laboratory assays and population reference ranges below.
Check orderable catalog codes, specimen types, fasting requirements, and demographic reference ranges across laboratories.
Laboratory assay overview
Ganglioside GD1b Antibody IgG is associated with acute sensory ataxia neuropathy variant of the Guillain-Barre syndrome.
<1:100 titer
Quest Diagnostics test directory, test code 39461
Laboratory assay overview
Ganglioside GM-1 IgG antibody is associated with acute inflammatory demyelinating polyneuropathy and acute motor axonal neuropathy. GD1a IgG antibody may also be associated with acute motor axonal neuropathy. GD1b IgG antibody may be associated with acute motor and sensory axonal neuropathy with cerebellar ataxia or ataxic presentations of Guillain-Barré Syndrome. GQ1b IgG antibody is associated with the Miller-Fisher Syndrome.
Quest Diagnostics population reference ranges
Quest Diagnostics calculates these statistical intervals for this specific assay and demographic group, not as universal optimal targets.
| Population | Range |
|---|---|
| GM-1 Ab (IgG) | <1:800 Titer |
| Normal | <1:800 |
| Moderately elevated | 1:800-1:3200 |
| Highly elevated | ≥1:6400 |
| GD1a Ab (IgG) | <1:100 Titer |
| GD1b Ab (IgG) | <1:100 Titer |
| GQ1b Ab (IgG) | <1:100 Titer |
GM-1 Ab (IgG) | <1:800 Titer Normal | <1:800 Moderately elevated | 1:800-1:3200 Highly elevated | ≥1:6400 GD1a Ab (IgG) | <1:100 Titer GD1b Ab (IgG) | <1:100 Titer GQ1b Ab (IgG) | <1:100 Titer
Quest Diagnostics test directory, test code 90128
Laboratory assay overview
Gangliosides GD1b IgG is associated with acute motor and sensory axonal neuropathy with associated cerebellar ataxia and ataxic presentations of Guillain-Barré Syndrome. GQ1b IgG may be associated with Miller-Fisher Syndrome. GQ1b IgM antibody is associated with chronic sensory ataxic neuropathy.
Quest Diagnostics population reference ranges
Quest Diagnostics calculates these statistical intervals for this specific assay and demographic group, not as universal optimal targets.
| Population | Range |
|---|---|
| GD1b Ab (IgG) | <1:100 Titer |
| GD1b Ab (IgM) | ≤1:800 Titer |
| GQ1b Ab (IgG) | <1:100 Titer |
GD1b Ab (IgG) <1:100 Titer GD1b Ab (IgM) ≤1:800 Titer GQ1b Ab (IgG) <1:100 Titer
Quest Diagnostics test directory, test code 90124
We compile every detail above directly from named laboratory directories and published clinical studies. Laboratories calculate standard reference intervals from the statistical distribution of tested populations for a specific assay method and demographic group, rather than setting universal optimal targets.
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