Autoimmune Myelopathy Profile
CPT:
84182; 86051; 86255(x15); 86341; 86362
Expected Turnaround Time
5 - 7 days
Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.
Related Documents
Specimen Requirements
Specimen
Serum (gel barrier tube or red-top tube)
Volume
2 mL
Minimum Volume
1 mL (Note: This volume does not allow for repeat testing.)
Container
Gel barrier tube, serum transfer tube
Stability Requirements
| Temperature | Period |
|---|---|
| Room temperature | 14 days |
| Refrigerated | 14 days |
| Frozen | 14 days |
| Freeze/thaw cycles | Stable x3 |
Causes for Rejection
Gross hemolysis; grossly lipemic; gross icetrus
Test Details
Use
This test can assist in the diagnosis (paraneoplastic or idiopathic autoimmune) and aid distinction from other causes of myelopathy (sarcoidosis, vascular disease, multiple sclerosis). Early testing may assist in early diagnosis of occult cancer, prompt initiation of immune therapies, or both.
Limitations
This test was developed and its performance characteristics determined by Labcorp in accordance with CLIA requirements. This test has not been cleared or approved by the Food and Drug Administration.
Methodology
Immunofluorescence, EIA, Immunoblot
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