1. F31 Bipolar disorder

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

    Excludes2

    1. F31.0 Bipolar disorder, current episode hypomanic

    2. F31.1 Bipolar disorder, current episode manic without psychotic features

      1. F31.10 Bipolar disorder, current episode manic without psychotic features, unspecified

      2. F31.11 Bipolar disorder, current episode manic without psychotic features, mild

      3. F31.12 Bipolar disorder, current episode manic without psychotic features, moderate

      4. F31.13 Bipolar disorder, current episode manic without psychotic features, severe

    3. F31.2 Bipolar disorder, current episode manic severe with psychotic features

      Inclusion term(s):

      • 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
    4. F31.3 Bipolar disorder, current episode depressed, mild or moderate severity

      1. F31.30 Bipolar disorder, current episode depressed, mild or moderate severity, unspecified

      2. F31.31 Bipolar disorder, current episode depressed, mild

      3. F31.32 Bipolar disorder, current episode depressed, moderate

    5. F31.4 Bipolar disorder, current episode depressed, severe, without psychotic features

    6. F31.5 Bipolar disorder, current episode depressed, severe, with psychotic features

      Inclusion term(s):

      • 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
    7. F31.6 Bipolar disorder, current episode mixed

      1. F31.60 Bipolar disorder, current episode mixed, unspecified

      2. F31.61 Bipolar disorder, current episode mixed, mild

      3. F31.62 Bipolar disorder, current episode mixed, moderate

      4. F31.63 Bipolar disorder, current episode mixed, severe, without psychotic features

      5. F31.64 Bipolar disorder, current episode mixed, severe, with psychotic features

        Inclusion term(s):

        • Bipolar disorder, current episode mixed with mood-congruent psychotic symptoms
        • Bipolar disorder, current episode mixed with mood-incongruent psychotic symptoms
    8. F31.7 Bipolar disorder, currently in remission

      1. F31.70 Bipolar disorder, currently in remission, most recent episode unspecified

      2. F31.71 Bipolar disorder, in partial remission, most recent episode hypomanic

      3. F31.72 Bipolar disorder, in full remission, most recent episode hypomanic

      4. F31.73 Bipolar disorder, in partial remission, most recent episode manic

      5. F31.74 Bipolar disorder, in full remission, most recent episode manic

      6. F31.75 Bipolar disorder, in partial remission, most recent episode depressed

      7. F31.76 Bipolar disorder, in full remission, most recent episode depressed

      8. F31.77 Bipolar disorder, in partial remission, most recent episode mixed

      9. F31.78 Bipolar disorder, in full remission, most recent episode mixed

    9. F31.8 Other bipolar disorders

      1. F31.81 Bipolar II disorder

        Inclusion term(s):

        • Bipolar disorder, type 2
      2. F31.89 Other bipolar disorder

        Inclusion term(s):

        • Recurrent manic episodes NOS
    10. F31.9 Bipolar disorder, unspecified

      Inclusion term(s):

      • Manic depression
Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.