NEUROMYELITIS OPTICAL (NMO)/AQUAPORIN-4-IgG FLUORESCENCE-ACTIVATED CELL SORTING (FACS) ASSAY, CSF

Specimen Required
Send 1.0 mL CSF (0.5 mL minimum) refrigerated in a screw-capped plastic vial.

Methodology
Fluorescence-Activated Cell Sorting (FACS) Assay (FACS)

Stability
Room temperature: 72 hours; Refrigerated: 28 days; Frozen: 28 days

Reference Range
Negative

Performed
Monday, Tuesday, Thursday

Turnaround Time4-6 days
Test CodeNMOFC
CPT-4 Code (s)
86255, plus 86256 if screen is positive and reflexed to titer at an additional charge
LOINC Codes
NMO/AQP4, CSF: Not available

Warde
Medical
Laboratory