# 06 - Obsessive compulsive and related disorders

# Obsessive-compulsive and related disorders

Clinical Descriptions and Diagnostic Requirements for ICD-11 Mental, Behavioural or Neurodevelopmental Disorders
Obsessive-compulsive and related disorders
Obsessive-compulsive disorder
Specify level of insight:
6B20.0 
Obsessive-compulsive disorder with fair to good insight
6B20.1 
Obsessive-compulsive disorder with poor to absent insight
6B20.Z 
Obsessive-compulsive disorder, unspecified
Body dysmorphic disorder
Specify level of insight:
6B21.0 
Body dysmorphic disorder with fair to good insight
6B21.1 
Body dysmorphic disorder with poor to absent insight
6B21.Z 
Body dysmorphic disorder, unspecified
Olfactory reference disorder
Specify level of insight:
6B22.0 
Olfactory reference disorder with fair to good insight
6B22.1 
Olfactory reference disorder with poor to absent insight
6B22.Z 
Olfactory reference disorder, unspecified
Hypochondriasis (health anxiety disorder)
Specify level of insight:
6B23.0 
Hypochondriasis with fair to good insight
6B23.1 
Hypochondriasis with poor to absent insight
6B23.Z 
Hypochondriasis, unspecified
Hoarding disorder
Specify level of insight:
6B24.0 
Hoarding disorder with fair to good insight
6B24.1 
Hoarding disorder with poor to absent insight
6B24.Z 
Hoarding disorder, unspecified
Body-focused repetitive behaviour disorders
6B25.0 
Trichotillomania (hair-pulling disorder)
6B25.1 
Excoriation (skin-picking) disorder
6B20
6B21
6B22
6B23
6B24
6B25

55
List of categories
6B25.Y 
Other specified body-focused repetitive behaviour disorder
6B25.Z 
Body-focused repetitive behaviour disorder, unspecified
Other specified obsessive-compulsive or related disorder
Obsessive-compulsive or related disorder, unspecified
Secondary-parented categories
From Chapter 8 on diseases of the nervous system:
Tourette syndrome 
From disorders due to substance use:
Substance-induced obsessive-compulsive and related disorders
Specify substance class:
6C45.72 
Cocaine-induced obsessive-compulsive or related disorder
6C46.72 
Stimulant-induced obsessive-compulsive or related disorder, including 
amfetamines, methamfetamine and methcathinone
6C47.72 
Synthetic cathinone-induced obsessive-compulsive or related syndrome
6C4E.72 
Obsessive-compulsive or related disorder induced by other specified 
psychoactive substance
6C4F.72 
Obsessive-compulsive or related disorder induced by multiple specified 
psychoactive substances
6C4G.72 
Obsessive-compulsive or related disorder induced by unknown or 
unspecified psychoactive substances
From secondary mental or behavioural syndromes associated with 
disorders and diseases classified elsewhere:
Secondary obsessive-compulsive or related syndrome
6B2Y
6B2Z
8A05.00 
6E64