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Neuromyelitis Optica (NMO)/Aquaporin-4-IgG Fluorescence-Activated Cell Sorting (FACS) Assay, Serum
Test Code94039
CPT Codes
86053
Includes
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.
Preferred Specimen
2 mL serum
Minimum Volume
2 mL
Instructions
Include relevant clinical information, name, phone number, mailing address, and e-mail address (if applicable) of ordering physician.
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: 72 hours
Refrigerated: 28 days
Frozen: 28 days
Refrigerated: 28 days
Frozen: 28 days
Methodology
Flow Cytometry
Setup Schedule
Set up: Mon, Tues, Thurs; Report available: 5-8 days
Reference Range
Negative
Clinical Significance
Diagnosis of a neuromyelitis optica spectrum disorder (NMOSD) Diagnosis of autoimmune AQP4 channelopathy. Distinguishing NMOSD from multiple sclerosis early in the course of disease.
Performing Laboratory
Mayo Clinic Laboratories
200 First Street SW
Rochester, MN 55905