World Health Organization · 2026-01 · English

MB23 Symptoms or signs involving appearance or behaviour

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

MB23.0Aggressive behaviour MB23.1Antisocial behaviour MB23.2Avoidance behaviour MB23.3Bradyphrenia MB23.4Compulsions MB23.5Coprolalia MB23.6Disorganised behaviour MB23.7Disheveled appearance MB23.8Disruptive behaviour MB23.9Echolalia MB23.AExcessive crying of child, adolescent, or adult MB23.CIncreased sociability MB23.DMutism MB23.ENon-suicidal self-injury MB23.FOdd or peculiar appearance MB23.GOdd or peculiar behaviour MB23.HPanic attack MB23.JPoor personal hygiene MB23.KPoverty of speech MB23.LPressured speech MB23.MPsychomotor agitation MB23.NPsychomotor retardation MB23.QSocial withdrawal MB23.RSuicide attempt MB23.SSuicidal behaviour MB23.YOther specified symptoms and signs involving appearance and behaviour MB23.ZSymptoms and signs involving appearance and behaviour, unspecified

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