World Health Organization · 2026-01 · English
MB21 Symptoms, signs or clinical findings involving cognition
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
MB21.0Age-associated cognitive declineMB21.1AmnesiaMB21.2AnosognosiaMB21.3ConfabulationMB21.4DisorientationMB21.5DistractibilityMB21.6Impaired abstract thinkingMB21.7Impaired executive functioningMB21.8Impaired judgmentMB21.9PerseverationMB21.APoor concentrationMB21.BRacing thoughtsMB21.YOther specified symptoms, signs or clinical findings involving cognitionMB21.ZSymptoms, signs or clinical findings involving cognition, unspecified© World Health Organization · CC BY-ND 3.0 IGO