Days Set Up
Monday, Wednesday
Analytic Time

3 - 15 days

Soft Order Code

Test Updated:


Monosialo GM1 Antibodies
Asialo GM1 Antibodies
Disialo GD1b Antibodies
Co-GM1 Triad Antibody Test
Motor Neuropathy Antibody

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Find a Requisition

All specimens should be accompanied by a requisition.

Submitting Specimens

Learn about how to properly label and where to ship specimens.

Order Kits and Supplies

MLabs provides all the supplies necessary for the collection of specimens.

Test FAQ

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Test Overview

Test Methodology


Test Usage

Supporting diagnosis of neurological diseases - primarily motor neuron disease and motor neuropathies.

Reference Range

99% of normals fall below these titers: IgG Monosialo GM1 <1:500, IgM Monosialo GM1 <1:1000, IgG Asialo GM1 <1:4000, IgM Asialo GM1 <1:4000, IgG Disialo GD1b <1:1000, IgM Diasialo GD1b <1:1000.

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Specimen Requirements

Collection Offsite

Collect specimen in a red top or SST tube. Centrifuge, aliquot serum into a plastic vial and freeze.

Yellow Top Tube
Normal Volume
1 ml serum
Minimum Volume
0.5 ml serum

Billing Information

CPT Code
83516 x6
Pro Fee Code

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Our High Standard

Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.