Test Name
AQUAPORIN-4 (NMO-IgG) ANTIBODIES
Aliases
AQP4 ANTIBODIES, NEUROMYELITIS OPTICA IMMUNOGLOBULIN G
Abbreviations
NMO-IGG
Test Classification
GROUPED TEST
Department
SEROLOGY
Sub Department
AUTOIMMUNITY
TAT Category
ELAPSED (CONTINUOUS) TIME
Estimated TAT
168
TAT Units
HOURS
Test Requirements
Serum in plain tube (red top) or SST tube (yellow top) or in a separation vial. Centrifuge tubes within 1 hour. Separate centrifuged serum in plain tubes within 1 hour.
Test components: AQ94 / NMO Ab
Clinical Utility
Evaluation of neuromyelitis optica spectrum disorders (NMOSD), distinguishing them from multiple sclerosis.
Last Review
26th Feb 2026