Reference Interval:
| Test Number
| Components
| Reference Interval
| | | GM1 Antibody IgG
| 29 IV or less: Negative
30-50 IV: Weak positive
51-150 IV: Positive
151 IV or greater: Strong positive
| | | GM1 Antibody, IgM
| 29 IV or less: Negative
30-50 IV: Weak positive
51-150 IV: Positive
151 IV or greater: Strong positive
| | | Asialo GM1 Antibody, IgG
| 29 IV or less: Negative
30-50 IV: Weak positive
51-150 IV: Positive
151 IV or greater: Strong positive
| | | Asialo GM1 Antibody, IgM
| 29 IV or less: Negative
30-50 IV: Weak positive
51-150 IV: Positive
151 IV or greater: Strong positive
|
|
| Interpretive Data: |
Elevated antibody levels to ganglioside-monosialic acid (GM1) and the neutral glycolipid, asialo GM1 are associated with motor or sensorimotor neuropathies, particularly multifocal motor neuropathy. Anti-GM1 may occur as IgM (polyclonal or monoclonal) or IgG antibodies. These antibodies may also be found in patients with diverse connective tissue diseases as well as normal individuals. These tests by themselves are not diagnostic and should be used in conjunction with other clinical parameters to confirm disease.
Please refer to Statement D in the Compliance Statements section in the front of the Laboratory Test Directory.
|
| CPT Code(s): |
83516 GM1 G; 83516 GM1 M; 83516 Asialo GM1 G; 83516 Asialo GM1 M
|
Cross References: |
Anti-GM1 Antibody Panel, Ganglioside-monosialic Acid Ab |