MCMedicalCodingSoftware
F42

F42: Obsessive-compulsive disorder

Non-billable headerICD-10-CM

F42 is a non-billable header ICD-10-CM code for obsessive-compulsive disorder. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes2: not included here, but may coexist

The excluded condition is not part of this code, but a patient can have both. You may code both.

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

Other codes that can never be billed with F42

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • L98.1Factitial dermatitis
  • R46.81Obsessive-compulsive behavior

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead F42

5 child codes. Green means billable.

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.