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HelpTest ID NBLD0424 Neuromyelitis Optica (NMO)/Aquaporin-4-IgG Fluorescence-Activated Cell Sorting (FACS) Assay, Spinal Fluid
Useful For
Diagnosis of a neuromyelitis optica spectrum disorder (NMOSD)
Diagnosis of autoimmune AQP4 channelopathy
Distinguishing NMOSD from multiple sclerosis early in the course of disease
Specimen Type
CSFOrdering Guidance
Necessary Information
Include relevant clinical information, name, phone number, mailing address, and e-mail address (if applicable) of ordering physician.
Specimen Required
Collection Container/Tube: Sterile vial
Specimen Volume: 3 mL
Specimen Minimum Volume
2 mL
Reject Due To
| Gross hemolysis | OK |
| Gross lipemia | OK |
| Gross icterus | OK |
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| CSF | Refrigerated (preferred) | 28 days | |
| Frozen | 28 days | ||
| Ambient | 72 hours |
Day(s) Performed
Monday, Tuesday, Thursday
Report Available
5 to 8 daysMethod Name
Flow Cytometry
Performing Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
86053
86053-titer (if appropriate)
Reflex Tests
| Test ID | Reporting Name | Available Separately | Always Performed |
|---|---|---|---|
| NMOTC | NMO/AQP4 FACS Titer, CSF | No | No |
Testing Algorithm
When the results of this assay require further evaluation, NMOTC / Neuromyelitis Optica (NMO)/Aquaporin-4-IgG Fluorescence-Activated Cell Sorting (FACS) Assay Titer, Spinal Fluid will be performed at an additional charge.
Reporting Name
NMO/AQP4 FACS, CSFReference Values
Negative
Test Classification
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.Secondary ID
38325
Sanford Laboratories - Fargo Additional Information:
SANFORD INTERFACE BUILD INFORMATION
| Result Code | Result Code Description |
|---|---|
| 16493 | NMO/AQP4-IgG, CSF |