|Downtime form:||A-1a Doctor/Provider Orders - Pathology Core and Specialty Care Nursery|
Absolute Minimum: 2.0 mL of spinal fluid
*Diagnosis of a neuromyelitis optica spectrum disorder (NMOSD)
*Diagnosis of autoimmune AQP4 channelopathy
*Distinguishing NMOSD from multiple sclerosis early in the course
ALGORITHM: When the results of this assay require further evaluation, the titer assay will be performed at an additional charge.
86256-NMO/AQP4-IgG FACS titer (if appropriate)
Specimens Requiring Immediate Delivery