Motor Neuropathy Complete Antibody Panel

Test code

90137

CPT code(s)*

82784 (x3), 83520 (x6), 86334, 86335

Not offered in Quest Diagnostics Nichols Institute (IFD) – San Juan Capistrano. Please provide Service Area Information to find available tests you can order.

In-home collection may be available in your area for purchase through Quest Mobile.

Clinical significance

Motor Neuropathy Complete Antibody Panel - The panel includes ganglioside antibodies associated with motor neuropathies. Many of the anti-ganglioside antibodies associated with chronic immune neuropathies are monoclonal IgM antibodies. An evaluation for monoclonal gammopathy should be performed in this setting.

Test resources

Clinical focus

New

Immune-Mediated Peripheral Neuropathies: Laboratory Support of Diagnosis

Details

Test details

Includes

Immunofixation, Serum
Immunoglobulins Panel, Serum
Ganglioside GM-1 Antibodies (IgG, IgM), EIA
Ganglioside GD1a Antibody (IgG), EIA
Ganglioside GD1a Antibody (IgM), EIA
Ganglioside Asialo-GM-1 Antibody (IgG), EIA
Ganglioside Asialo-GM-1 Antibody (IgM), EIA
Immunofixation (IFE), Urine

Methodology

Immunotyping • Immunofixation • Immunoturbidometry • Immunoassay (IA)

Specimen requirements
Patient preparation	Overnight fasting is preferred
Preferred specimen(s)	5 mL serum and 25 mL random urine (no preservative)
Alternative specimen(s)	Serum and 24-hour urine (no preservative)
Minimum volume	2 mL serum • 10 mL random urine
Transport container	⁠⁠⁠⁠⁠⁠⁠Serum: Transport tube Urine: Plastic urine container
Transport temperature	Refrigerated (cold packs)
Specimen stability	Serum Room temperature: 24 hours Refrigerated: 7 days Frozen: 30 days Urine Room temperature: 5 days Refrigerated: 7 days Frozen: 30 days
Reject criteria	Gross hemolysis • Grossly lipemic • Grossly icteric • Plasma • Serum received room temperature

Reference range(s)

See Laboratory Report

LOINC® codes

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Service Area Information

Performing lab & setup schedule

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Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.

*The CPT codes provided are based on AMA guidance and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

This material contains content from LOINC® (http://loinc.org). The LOINC Table, LOINC Table Core are copyright © 1995-2019, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and is available at no cost under the license at http://loinc.org/license.

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