Home
HelpTest Code NMOFC 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
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.
Method Name
Flow Cytometry
Reporting Name
NMO/AQP4 FACS, CSFSpecimen 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
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| CSF | Refrigerated (preferred) | 28 days | |
| Frozen | 28 days | ||
| Ambient | 72 hours |
Reference Values
Negative
Day(s) Performed
Monday, Tuesday, Thursday
Report Available
5 to 8 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
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.CPT Code Information
86053
86053-titer (if appropriate)
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| NMOFC | NMO/AQP4 FACS, CSF | 46718-3 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 38325 | NMO/AQP4-IgG FACS, CSF | 46718-3 |