All ICD10 Codes

F42

Non-Billable
ChapterF01–F99
Rankcategory
Official Description

Obsessive-compulsive disorder

Use a more specific code (5 billable)
F42.2Mixed obsessional thoughts and actsF42.3Hoarding disorderF42.4Excoriation (skin-picking) disorderF42.8Other obsessive-compulsive disorderF42.9Obsessive-compulsive disorder, unspecified
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 5: Mental, Behavioral and Neurodevelopmental Disorders (F01-F99).

CH5 Parent Instructions

Includes
  • disorders of psychological development
Excludes2(Not included here. Code separately if applicable.)
  • symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)

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.-)

Clinical Hierarchy

BillableHas subcodes
CH5Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
F40-F48Anxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disorders (F40-F48)
F42Obsessive-compulsive disorderNot billable
F42.2Mixed obsessional thoughts and actsBillable
F42.3Hoarding disorderBillable
F42.4Excoriation (skin-picking) disorderBillable
F42.8Other obsessive-compulsive disorderBillable
F42.9Obsessive-compulsive disorder, unspecifiedBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to F42:

chapterCH5
Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
View context instructions

Code History

  • FY 2016: Superseded by F42.2
  • FY 2016: Superseded by F42.3
  • FY 2016: Superseded by F42.8
  • FY 2016: Superseded by F42.9

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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