World Health Organization · 2026-01 · English
8A43 Neuromyelitis optica
Official WHO ICD-11 MMS tabulation. This international classification is separate from US ICD-10-CM. For complete instructions and postcoordination, consult the WHO browser.
More specific codes
8A43.0Neuromyelitis optica aquaporin-4 antibody positive8A43.1Neuromyelitis optica aquaporin-4 antibody negative8A43.2Single transverse myelitis aquaporin-4 antibody positive8A43.3Recurrent transverse myelitis aquaporin-4 antibody positive8A43.4Single optic neuritis aquaporin-4 antibody positive8A43.5Recurrent optic neuritis aquaporin-4 antibody positive8A43.YOther specified neuromyelitis optica8A43.ZNeuromyelitis optica, unspecified© World Health Organization · CC BY-ND 3.0 IGO