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Neuromyelitis Optica (NMO)/Aquaporin-4-IgG Fluorescence-Activated Cell Sorting (FACS) Assay, Serum

Test Code
94039


CPT Codes
86053

Includes
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.


Preferred Specimen
Minimum 2 mL serum


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


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.




The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.