DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

F34 Persistent mood [affective] disorders

  • Header · not billable

F34 is not billable. The category heads 5 billable codes in FY2027, grouped under 4 subdivisions.

Index → code

Where it sits

  1. Chapter 5 Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
  2. F30-F39 Mood [affective] disorders (F30-F39)
  3. F34 Persistent mood [affective] disorders
Billable codes
5
Subdivisions
4
CC / MCC codes
3 / 0
HCC V28 codes
0
New FY2027
0
Index entries
35

Codes in F34

  1. F34.0
    Cyclothymic disorder
    Billable
    Inclusion terms 4

    Inclusion terms

    • Affective personality disorder
    • Cycloid personality
    • Cyclothymia
    • Cyclothymic personality
  2. F34.1
    Dysthymic disorder
    Billable
    Inclusion terms 6, Excludes2 1

    Inclusion terms

    • Depressive neurosis
    • Depressive personality disorder
    • Dysthymia
    • Neurotic depression
    • Persistent anxiety depression
    • Persistent depressive disorder

    Excludes2

    • anxiety depression (mild or not persistent) (F41.8) F41.8
  3. F34.8
    Other persistent mood [affective] disorders
    Header
  4. F34.81
    Disruptive mood dysregulation disorder
    BillableCC
  5. F34.89
    Other specified persistent mood disorders
    BillableCC
  6. F34.9
    Persistent mood [affective] disorder, unspecified
    BillableCC

CC/MCC: as a secondary diagnosis, unless the principal diagnosis is on the code’s PDX exclusion list (MS-DRG v44 Appendix C; list on the code card).

Sources of each column.

Instructions

Notes that also apply

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

Index entries

  • Cycloid personality → F34.0
  • Cyclothymia → F34.0
  • Cyclothymic personality → F34.0
  • Dysthymia → F34.1
  • Disorder (of)cyclothymic → F34.0
  • Personality (disorder)affective → F34.0
  • Personality (disorder)cycloid → F34.0
  • Personality (disorder)cyclothymic → F34.0
  • Personality (disorder)hyperthymic → F34.0
  • Depression (acute) (mental)nervous → F34.1
  • Depression (acute) (mental)neurotic → F34.1
  • Depression (acute) (mental)psychoneurotic → F34.1
  • Disorder (of)dysthymic → F34.1
  • Neurosis, neuroticdepressive (reaction) (type) → F34.1
  • Personality (disorder)depressive → F34.1
  • Personality (disorder)hypothymic → F34.1
  • Reactionneurotic-depressive → F34.1
  • Disorder (of)emotional (persistent) → F34.9
  • Disorder (of)personalityaffective → F34.0
  • Disorder (of)personalitycyclothymic → F34.0
  • Disorder (of)personalityhyperthymic → F34.0
  • Depression (acute) (mental)anxietypersistent → F34.1
  • Disorder (of)depressivepersistent → F34.1
  • Disorder (of)personalitydepressive → F34.1
  • Disorder (of)personalityhypothymic → F34.1
  • Reactiondepressive (single episode)neurotic → F34.1
  • Reactiondepressive (single episode)psychoneurotic → F34.1
  • Reactionpsychoneuroticdepressive → F34.1
  • State (of)depressiveneurotic → F34.1
  • Disorder (of)disruptivemood dysregulation → F34.81
  • Disorder (of)moodpersistent → F34.9
  • Disorder (of)persistentaffective (mood) → F34.9
  • Disorder (of)moodpersistentcyclothymia → F34.0
  • Disorder (of)moodpersistentdysthymia → F34.1
  • Disorder (of)moodpersistentspecified type NEC → F34.89

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

Hierarchy