World Health Organization · 2026-01 · English

5B5A.1 Wernicke-Korsakoff Syndrome

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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Coding notes · WHO

Chronic alcohol use may be associated with thiamine deficiency, but alcohol may also have effects on the brain via other mechanisms. This category should be used to describe cognitive symptoms due to chronic alcohol use if there is evidence of thiamine deficiency.

More specific codes

5B5A.10Wernicke encephalopathy 5B5A.11Korsakoff syndrome 5B5A.1YOther specified Wernicke-Korsakoff Syndrome 5B5A.1ZWernicke-Korsakoff Syndrome, unspecified

US · ICD-10-CM · CDC/NCHS →