All ICD10 Codes
F42Not billable, use a more specific code below

Obsessive-compulsive disorder

In Anxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disorders (F40-F48), chapter 5: Mental, Behavioral and Neurodevelopmental Disorders

5 billable codes under F42: none are a CC or MCC; none map to an HCC.

Instructional notes

Excludes2: not included here, code separately if applicable

  • obsessive-compulsive personality (disorder) (F60.5)
  • obsessive-compulsive symptoms occurring in depression (F32.-, F33.-)
  • obsessive-compulsive symptoms occurring in schizophrenia (F20.-)

All codes under F42

F42 can't be used on a claim. Pick a billable code below; grey headings group them.

MS-DRGs

As the principal diagnosis, all 5 billable codes under F42 group to these MS-DRGs (v44.0).

Other codes that refer to F42

Notes on these codes point to F42.

  • F60.5 Excludes2: obsessive-compulsive disorder (F42.-)
  • F98 Excludes2: obsessive-compulsive disorder (F42.-)
  • F98.4 Excludes2: compulsions in obsessive-compulsive disorder (F42.-)
  • R46.81 Excludes1: obsessive-compulsive disorder (F42.-)

About the condition

Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.

Obsessive-Compulsive Disorder

Obsessive-compulsive disorder (OCD) is a mental disorder in which you have thoughts (obsessions) and behaviors (compulsions) that occur over and over. They interfere with your life, but you cannot control or stop them.

Read more about obsessive-compulsive disorder on MedlinePlus

Code history

Valid since FY2016, when ICD-10-CM took effect on October 1, 2015.

  • FY2017: Subcodes were added, so F42 is no longer billable on its own. New codes for cases coded here before: F42.2 (Mixed obsessional thoughts and acts), F42.3 (Hoarding disorder), F42.8 (Other obsessive-compulsive disorder), F42.9 (Obsessive-compulsive disorder, unspecified).

ICD-9-CM equivalent

Legacy crosswalk from the CMS General Equivalence Mappings (last updated 2018).

  • 300.3 Obsessive-compulsive disorders
ICD-9 to ICD-10 converter