NMO-IgG, CSF

• CPT Code: 86255
• LOINC: 46718-3
• Specimen Type: CSF
• Frequency: Setup: Mon-Fri; analytic time 5 days
• Instructions: 3mL ref. spinal fluid. Serum is the preferred specimen for detection of NMO-IgG (ZG842), CSF is usually less informative. Min 2.0mL.
• Text: Used for: Establishing the diagnosis of neuromyelitis optica (NMO) and related disorders (eg, relapsing transverse myelitis or relapsing optic neuritis), predicting with 60% probability, relapse or progression to NMO in patients presenting with an initial episode of longitudinally extensive transverse myelitis.
• Methodology: Fluorescence-Activated Cell Sorting Assay (FACS)