DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

F31 Bipolar disorder

  • Header · not billable

F31 is not billable. The category heads 28 billable codes in FY2027, grouped under 10 subdivisions.

Index → code

  • Manic depression → F31.9
  • Mania (monopolar)recurrent → F31.89
  • Stupor (catatonic)manic-depressive → F31.89

Where it sits

  1. Chapter 5 Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
  2. F30-F39 Mood [affective] disorders (F30-F39)
  3. F31 Bipolar disorder
Billable codes
28
Subdivisions
10
CC / MCC codes
18 / 0
HCC V28 codes
23
New FY2027
0
Index entries
41

Codes in F31

  1. F31.0
    Bipolar disorder, current episode hypomanic
    BillableCC154
  2. F31.1
    Bipolar disorder, current episode manic without psychotic features
    Header
  3. F31.10
    Bipolar disorder, current episode manic without psychotic features, unspecified
    BillableCC154
  4. F31.11
    Bipolar disorder, current episode manic without psychotic features, mild
    BillableCC154
  5. F31.12
    Bipolar disorder, current episode manic without psychotic features, moderate
    BillableCC154
  6. F31.13
    Bipolar disorder, current episode manic without psychotic features, severe
    BillableCC154
  7. F31.2
    Bipolar disorder, current episode manic severe with psychotic features
    BillableCC152
    Inclusion terms 3

    Inclusion terms

    • Bipolar disorder, current episode manic with mood-congruent psychotic symptoms
    • Bipolar disorder, current episode manic with mood-incongruent psychotic symptoms
    • Bipolar I disorder, current or most recent episode manic with psychotic features
  8. F31.3
    Bipolar disorder, current episode depressed, mild or moderate severity
    Header
  9. F31.30
    Bipolar disorder, current episode depressed, mild or moderate severity, unspecified
    BillableCC154
  10. F31.31
    Bipolar disorder, current episode depressed, mild
    BillableCC154
  11. F31.32
    Bipolar disorder, current episode depressed, moderate
    BillableCC154
  12. F31.4
    Bipolar disorder, current episode depressed, severe, without psychotic features
    BillableCC154
  13. F31.5
    Bipolar disorder, current episode depressed, severe, with psychotic features
    BillableCC152
    Inclusion terms 3

    Inclusion terms

    • Bipolar disorder, current episode depressed with mood-incongruent psychotic symptoms
    • Bipolar disorder, current episode depressed with mood-congruent psychotic symptoms
    • Bipolar I disorder, current or most recent episode depressed, with psychotic features
  14. F31.6
    Bipolar disorder, current episode mixed
    Header
  15. F31.60
    Bipolar disorder, current episode mixed, unspecified
    BillableCC154
  16. F31.61
    Bipolar disorder, current episode mixed, mild
    BillableCC154
  17. F31.62
    Bipolar disorder, current episode mixed, moderate
    BillableCC154
  18. F31.63
    Bipolar disorder, current episode mixed, severe, without psychotic features
    BillableCC154
  19. F31.64
    Bipolar disorder, current episode mixed, severe, with psychotic features
    BillableCC152
    Inclusion terms 2

    Inclusion terms

    • Bipolar disorder, current episode mixed with mood-congruent psychotic symptoms
    • Bipolar disorder, current episode mixed with mood-incongruent psychotic symptoms
  20. F31.7
    Bipolar disorder, currently in remission
    Header
  21. F31.70
    Bipolar disorder, currently in remission, most recent episode unspecified
    Billable
  22. F31.71
    Bipolar disorder, in partial remission, most recent episode hypomanic
    Billable154
  23. F31.72
    Bipolar disorder, in full remission, most recent episode hypomanic
    Billable
  24. F31.73
    Bipolar disorder, in partial remission, most recent episode manic
    Billable154
  25. F31.74
    Bipolar disorder, in full remission, most recent episode manic
    Billable
  26. F31.75
    Bipolar disorder, in partial remission, most recent episode depressed
    Billable154
  27. F31.76
    Bipolar disorder, in full remission, most recent episode depressed
    Billable
  28. F31.77
    Bipolar disorder, in partial remission, most recent episode mixed
    Billable154
  29. F31.78
    Bipolar disorder, in full remission, most recent episode mixed
    Billable
  30. F31.8
    Other bipolar disorders
    Header
  31. F31.81
    Bipolar II disorder
    BillableCC154
    Inclusion terms 1

    Inclusion terms

    • Bipolar disorder, type 2
  32. F31.89
    Other bipolar disorder
    BillableCC154
    Inclusion terms 1

    Inclusion terms

    • Recurrent manic episodes NOS
  33. F31.9
    Bipolar disorder, unspecified
    Billable154
    Inclusion terms 1

    Inclusion terms

    • Manic depression

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

At F31

Includes

  • bipolar I disorder
  • bipolar type I disorder
  • manic-depressive illness
  • manic-depressive psychosis
  • manic-depressive reaction
  • seasonal bipolar disorder

Excludes1

  • bipolar disorder, single manic episode (F30.-) F30
  • major depressive disorder, single episode (F32.-) F32
  • major depressive disorder, recurrent (F33.-) F33

Excludes2

  • cyclothymia (F34.0) F34.0

Notes that also apply

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

Index entries

  • Manic depression → F31.9
  • Mania (monopolar)chronic (recurrent) → F31.89
  • Mania (monopolar)recurrent → F31.89
  • Stupor (catatonic)manic-depressive → F31.89
  • Disorder (of)bipolar (I) (seasonal) (type 1) → F31.9
  • Reactiondepressive (single episode)affective (single episode) → F31.4
  • Disorder (of)bipolar (I) (seasonal) (type 1)in remission (currently) → F31.70
  • Disorder (of)bipolar (I) (seasonal) (type 1)II (type 2) → F31.81
  • Disorder (of)bipolar (I) (seasonal) (type 1)specified NEC → F31.89
  • Episodemanicrecurrent → F31.89
  • Psychosis, psychoticmania, manic (single episode)recurrent type → F31.89
  • Disorder (of)bipolar (I) (seasonal) (type 1)current (or most recent) episodehypomanic → F31.0
  • Disorder (of)bipolar (I) (seasonal) (type 1)current (or most recent) episodesevere depression (without psychotic features) → F31.4
  • Disorder (of)bipolar (I) (seasonal) (type 1)current (or most recent) episodemixed → F31.60
  • Disorder (of)bipolar (I) (seasonal) (type 1)current (or most recent) episodedepressed → F31.9
  • Disorder (of)bipolar (I) (seasonal) (type 1)current (or most recent) episodemanic → F31.9
  • Disorder (of)bipolar (I) (seasonal) (type 1)current (or most recent) episodemanicwithout psychotic features → F31.10
  • Disorder (of)bipolar (I) (seasonal) (type 1)current (or most recent) episodemanicwith psychotic features → F31.2
  • Disorder (of)bipolar (I) (seasonal) (type 1)current (or most recent) episodedepressedwithout psychotic features → F31.30
  • Disorder (of)bipolar (I) (seasonal) (type 1)current (or most recent) episodedepressedwith psychotic features → F31.5
  • Disorder (of)bipolar (I) (seasonal) (type 1)current (or most recent) episodesevere depression (without psychotic features)with psychotic features → F31.5
  • Disorder (of)bipolar (I) (seasonal) (type 1)current (or most recent) episodemixedmild → F31.61
  • Disorder (of)bipolar (I) (seasonal) (type 1)current (or most recent) episodemixedmoderate → F31.62
  • Disorder (of)bipolar (I) (seasonal) (type 1)current (or most recent) episodemixedsevere (without psychotic features) → F31.63
  • Disorder (of)bipolar (I) (seasonal) (type 1)current (or most recent) episodemanicwithout psychotic featuresmild → F31.11
  • Disorder (of)bipolar (I) (seasonal) (type 1)current (or most recent) episodemanicwithout psychotic featuresmoderate → F31.12
  • Disorder (of)bipolar (I) (seasonal) (type 1)current (or most recent) episodemanicwithout psychotic featuressevere (without psychotic features) → F31.13
  • Disorder (of)bipolar (I) (seasonal) (type 1)current (or most recent) episodedepressedwithout psychotic featuresmild → F31.31
  • Disorder (of)bipolar (I) (seasonal) (type 1)current (or most recent) episodedepressedwithout psychotic featuresmoderate → F31.32
  • Disorder (of)bipolar (I) (seasonal) (type 1)current (or most recent) episodedepressedwithout psychotic featuressevere (without psychotic features) → F31.4
  • Disorder (of)bipolar (I) (seasonal) (type 1)current (or most recent) episodemixedsevere (without psychotic features)with psychotic features → F31.64
  • Disorder (of)bipolar (I) (seasonal) (type 1)in remission (currently)in partial remissionmost recent episodehypomanic → F31.71
  • Disorder (of)bipolar (I) (seasonal) (type 1)in remission (currently)in full remissionmost recent episodehypomanic → F31.72
  • Disorder (of)bipolar (I) (seasonal) (type 1)in remission (currently)in partial remissionmost recent episodemanic → F31.73
  • Disorder (of)bipolar (I) (seasonal) (type 1)in remission (currently)in full remissionmost recent episodemanic → F31.74
  • Disorder (of)bipolar (I) (seasonal) (type 1)in remission (currently)in partial remissionmost recent episodedepressed → F31.75
  • Disorder (of)bipolar (I) (seasonal) (type 1)in remission (currently)in full remissionmost recent episodedepressed → F31.76
  • Disorder (of)bipolar (I) (seasonal) (type 1)in remission (currently)in partial remissionmost recent episodemixed → F31.77
  • Disorder (of)bipolar (I) (seasonal) (type 1)in remission (currently)in full remissionmost recent episodemixed → F31.78
  • Disorder (of)bipolar (I) (seasonal) (type 1)current (or most recent) episodemanicwithout psychotic featuressevere (without psychotic features)with psychotic features → F31.2

1 more, longer entries are not listed; the search box finds them by word.

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

Hierarchy