World Health Organization · 2026-01 · English

Symptoms or signs involving the nervous system

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.

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More specific codes

21Paralytic symptoms MB40Sensation disturbance MB41Disturbances of smell or taste MB42Phonophobia MB43Dyssomnia MB44Abnormalities of gait or mobility MB45Lack of coordination MB46Abnormal involuntary movements MB47Abnormality of tonus or reflex MB48Dizziness or giddiness MB49Aura MB4AApraxia MB4BSymbolic dysfunctions MB4CGerstmann syndrome MB4DHeadache, not elsewhere classified MB60Sleeptalking MB6YOther specified symptoms or signs involving the nervous system

US · ICD-10-CM · CDC/NCHS →