ICD-10 Diagnosis Code F42

Obsessive-compulsive disorder

Diagnosis Code F42

ICD-10: F42
Short Description: Obsessive-compulsive disorder
Long Description: Obsessive-compulsive disorder
This is the 2017 version of the ICD-10-CM diagnosis code F42

Code Classification
  • Mental and behavioural disorders
    • Anxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disorders (F40-F48)
      • Obsessive-compulsive disorder (F42)

Information for Medical Professionals

  • Compulsion expressed as ritual
  • Compulsive neurosis
  • Fear of contracting disease
  • Fear of infection
  • Nosophobia
  • Obsessional neurosis
  • Obsessional thoughts
  • Obsessive-compulsive disorder
  • Psychogenic rumination
  • Ritual hand washing

Index of Diseases and Injuries
References found for the code F42 in the Index of Diseases and Injuries:

Replaced Code Additional informationCallout TooltipReplaced Code
The National Center for Health Statistics (NCHS) has published an update to the ICD-10-CM diagnosis codes which became effective October 1, 2016. This codes was replaced for the FY 2017 (October 1, 2016-September 30, 2017).

This code was replaced in the 2017 ICD-10 code set with the code(s) listed below.
  • F42.2 - Mixed obsessional thoughts and acts
  • F42.3 - Hoarding disorder
  • F42.8 - Other obsessive-compulsive disorder
  • F42.9 - Obsessive-compulsive disorder, unspecified

Information for Patients

Obsessive-Compulsive Disorder

Also called: OCD

Obsessive-compulsive disorder (OCD) is a type of anxiety disorder. If you have OCD, you have frequent, upsetting thoughts called obsessions. To try to control the thoughts, you feel an overwhelming urge to repeat certain rituals or behaviors. These are called compulsions.

Examples of obsessions are a fear of germs or a fear of being hurt. Compulsions include washing your hands, counting, checking on things, or cleaning. With OCD, the thoughts and rituals cause distress and get in the way of your daily life.

Researchers think brain circuits may not work properly in people who have OCD. It tends to run in families. The symptoms often begin in children or teens. Treatments include therapy, medicines, or both. One type of therapy, cognitive behavioral therapy, is useful for treating OCD.

NIH: National Institute of Mental Health

  • Obsessive-compulsive disorder

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