Recommendations when to order or not order the test. May include related or preferred tests.
May have diagnostic relevance in multifocal motor neuropathy (MMN), Guillain-Barré syndrome (GBS), and Miller Fisher syndrome (MFS). For a more comprehensive ganglioside antibody panel when evaluating patients with autoimmune neuropathies, refer to Ganglioside (Asialo-GM1, GM1, GM2, GD1a, GD1b, and GQ1b) Antibodies (0051033). Test by itself is not diagnostic and should be used in conjunction with other clinical parameters to confirm disease.
29 IV or less: Negative 30-50 IV: Equivocal 51-100 IV: Positive 101 IV or greater: Strong Positive
GM1 Antibody, IgM
29 IV or less: Negative 30-50 IV: Equivocal 51-100 IV: Positive 101 IV or greater: Strong Positive
GD1b Antibody, IgM
29 IV or less
Negative
30-50 IV
Equivocal
51-100 IV
Positive
101 IV or greater
Strong positive
GD1b Antibody, IgG
29 IV or less
Negative
30-50 IV
Equivocal
51-100 IV
Positive
101 IV or greater
Strong positive
GQ1b Antibody, IgG
29 IV or less
Negative
30-50 IV
Equivocal
51-100 IV
Positive
101 IV or greater
Strong positive
GQ1b Antibody, IgM
29 IV or less
Negative
30-50 IV
Equivocal
51-100 IV
Positive
101 IV or greater
Strong positive
Interpretive Data
Background information for test. May include disease information, patient result explanation, recommendations, details of testing, associated diseases, explanation of possible patient results.
Refer to report.
This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.
Compliance Category
Laboratory Developed Test (LDT)
Note
Additional information related to the test.
Hotline History
N/A
CPT Codes
The American Medical Association Current Procedural Terminology (CPT) codes published in ARUP's Laboratory Test Directory are provided for informational purposes only. The codes reflect our interpretation of CPT coding requirements based upon AMA guidelines published annually. CPT codes are provided only as guidance to assist clients with billing. ARUP strongly recommends that clients confirm CPT codes with their Medicare administrative contractor, as requirements may differ. CPT coding is the sole responsibility of the billing party. ARUP Laboratories assumes no responsibility for billing errors due to reliance on the CPT codes published.
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
Other names that describe the test. Synonyms.
Anti-GM Antibodies
Ganglioside Antibodies
Ganglioside (GM1) Antibodies, IgG and IgM
Ganglioside Abs IgG and IgM
GD1b IgG IgM
GM1, GD1b, GQ1b IgG and IgM
GQ1b IgG IgM
Ganglioside (GM1, GD1b, and GQ1b) Antibodies, IgG and IgM