DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

F42 Obsessive-compulsive disorder

  • Header · not billable

F42 is not billable. The category heads 5 billable codes in FY2027: the 5 codes directly below it.

Index → code

  • Swearing, compulsive → F42.8
  • Obsession, obsessional state → F42.8
  • Obsessive-compulsive neurosis or reaction → F42.8

Where it sits

  1. Chapter 5 Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
  2. F40-F48 Anxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disorders (F40-F48)
  3. F42 Obsessive-compulsive disorder
Billable codes
5
Subdivisions
5
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
27

Codes in F42

  1. F42.2
    Mixed obsessional thoughts and acts
    Billable
  2. F42.3
    Hoarding disorder
    Billable
  3. F42.4
    Excoriation (skin-picking) disorder
    Billable
    Excludes1 2

    Excludes1

    • factitial dermatitis (L98.1) L98.1
    • other specified behavioral and emotional disorders with onset usually occurring in early childhood and adolescence (F98.8) F98.8
  4. F42.8
    Other obsessive-compulsive disorder
    Billable
    Inclusion terms 2

    Inclusion terms

    • Anancastic neurosis
    • Obsessive-compulsive neurosis
  5. F42.9
    Obsessive-compulsive disorder, unspecified
    Billable

Sources of each column.

Instructions

At F42

Excludes2

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

Notes that also apply

Chapter 5 instructions (Includes 1, Excludes2 1): printed on the chapter 5 page.

Index entries

  • Obsession, obsessional state → F42.8
  • Obsessive-compulsive neurosis or reaction → F42.8
  • Swearing, compulsive → F42.8
  • Obsession, obsessional statemixed thoughts and acts → F42.2
  • Disorder (of)hoarding → F42.3
  • Excoriation (traumatic)skin picking disorder → F42.4
  • Compulsion, compulsiveneurosis → F42.8
  • Compulsion, compulsivestates → F42.8
  • Compulsion, compulsiveswearing → F42.8
  • Neurosis, neuroticanankastic → F42.8
  • Neurosis, neuroticcompulsive, compulsion → F42.8
  • Neurosis, neuroticobsessional → F42.8
  • Neurosis, neuroticobsessive-compulsive → F42.8
  • Reactioncompulsive → F42.8
  • Reactionobsessive-compulsive → F42.8
  • Ruminationneurotic → F42.8
  • Ruminationobsessional → F42.8
  • Ruminationpsychogenic → F42.8
  • State (of)compulsive → F42.8
  • State (of)obsessional → F42.8
  • Disorder (of)obsessive-compulsive → F42.9
  • State (of)compulsivemixed with obsessional thoughts → F42.2
  • Disorder (of)skinpicking → F42.4
  • Disorder (of)psychogenic NOScompulsive → F42.8
  • Disorder (of)psychogenic NOSobsessive → F42.8
  • Reactionpsychoneuroticcompulsive → F42.8
  • Reactionpsychoneuroticobsessive → F42.8

NCHS Alphabetic Index. Index first, then the Tabular List.

Hierarchy