Test Code LAB92064 Neuromyelitis Optica (NMO)/Aquaporin-4-IgG Fluorescence-Activated Cell Sorting (FACS) Assay, Serum
Additional Codes
NMOFS
Useful For
Diagnosis of a neuromyelitis optica spectrum disorder (NMOSD)
Diagnosis of autoimmune AQP4 channelopathy
Diagnosis of neuromyelitis optica (NMO)
Distinguishing NMOSD from multiple sclerosis early in the course of disease
Reflex Tests
Test ID | Reporting Name | Available Separately | Always Performed |
---|---|---|---|
NMOTS | NMO/AQP4 FACS Titer, S | No | No |
Testing Algorithm
When the results of this assay require further evaluation, NMOTS / Neuromyelitis Optica (NMO)/Aquaporin-4-IgG Fluorescence-Activated Cell Sorting (FACS) Titer Assay, Serum will be performed at an additional charge.
Method Name
Flow Cytometry
Reporting Name
NMO/AQP4 FACS, SSpecimen Type
SerumOrdering Guidance
Specimen Required
Collection Container/Tube:
Preferred: Red top
Acceptable: Serum gel
Submission Container/Tube: Plastic vial
Specimen Volume: 3 mL
Collection Instructions: Centrifuge and aliquot serum into a plastic vial.
Specimen Minimum Volume
2 mL
Specimen Stability Information
Specimen Type | Temperature | Time | Special Container |
---|---|---|---|
Serum | 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 RochesterCPT Code Information
86053
86053-titer (if appropriate)
86053
LOINC Code Information
Test ID | Test Order Name | Order LOINC Value |
---|---|---|
NMOFS | NMO/AQP4 FACS, S | 43638-6 |
Result ID | Test Result Name | Result LOINC Value |
---|---|---|
38324 | NMO/AQP4 FACS, S | 43638-6 |
Forms
If not ordering electronically, complete, print, and send Neurology Specialty Testing Client Test Request (T732) with the specimen.