ICD-10-CM · Chapter 5 · F01-F99
F31 Bipolar disorder
Includes
- bipolar I disorder
- bipolar type I disorder
- manic-depressive illness
- manic-depressive psychosis
- manic-depressive reaction
- seasonal bipolar disorder
Excludes 1 (cannot be coded together)
- bipolar disorder, single manic episode (F30.-)
- major depressive disorder, single episode (F32.-)
- major depressive disorder, recurrent (F33.-)
Excludes 2 (not included here)
- cyclothymia (F34.0)
Subcodes
Each subcode links to a detail page with full clinical annotations.
| Code | Description | Billable |
|---|---|---|
| F31..0 | Bipolar disorder, current episode hypomanic | Yes |
| F31..1 | Bipolar disorder, current episode manic without psychotic features | No |
| F31..10 | Bipolar disorder, current episode manic without psychotic features, unspecified | Yes |
| F31..11 | Bipolar disorder, current episode manic without psychotic features, mild | Yes |
| F31..12 | Bipolar disorder, current episode manic without psychotic features, moderate | Yes |
| F31..13 | Bipolar disorder, current episode manic without psychotic features, severe | Yes |
| F31..2 | Bipolar disorder, current episode manic severe with psychotic features | Yes |
| F31..3 | Bipolar disorder, current episode depressed, mild or moderate severity | No |
| F31..30 | Bipolar disorder, current episode depressed, mild or moderate severity, unspecified | Yes |
| F31..31 | Bipolar disorder, current episode depressed, mild | Yes |
| F31..32 | Bipolar disorder, current episode depressed, moderate | Yes |
| F31..4 | Bipolar disorder, current episode depressed, severe, without psychotic features | Yes |
| F31..5 | Bipolar disorder, current episode depressed, severe, with psychotic features | Yes |
| F31..6 | Bipolar disorder, current episode mixed | No |
| F31..60 | Bipolar disorder, current episode mixed, unspecified | Yes |
| F31..61 | Bipolar disorder, current episode mixed, mild | Yes |
| F31..62 | Bipolar disorder, current episode mixed, moderate | Yes |
| F31..63 | Bipolar disorder, current episode mixed, severe, without psychotic features | Yes |
| F31..64 | Bipolar disorder, current episode mixed, severe, with psychotic features | Yes |
| F31..7 | Bipolar disorder, currently in remission | No |
| F31..70 | Bipolar disorder, currently in remission, most recent episode unspecified | Yes |
| F31..71 | Bipolar disorder, in partial remission, most recent episode hypomanic | Yes |
| F31..72 | Bipolar disorder, in full remission, most recent episode hypomanic | Yes |
| F31..73 | Bipolar disorder, in partial remission, most recent episode manic | Yes |
| F31..74 | Bipolar disorder, in full remission, most recent episode manic | Yes |
| F31..75 | Bipolar disorder, in partial remission, most recent episode depressed | Yes |
| F31..76 | Bipolar disorder, in full remission, most recent episode depressed | Yes |
| F31..77 | Bipolar disorder, in partial remission, most recent episode mixed | Yes |
| F31..78 | Bipolar disorder, in full remission, most recent episode mixed | Yes |
| F31..8 | Other bipolar disorders | No |
| F31..81 | Bipolar II disorder | Yes |
| F31..89 | Other bipolar disorder | Yes |
| F31..9 | Bipolar disorder, unspecified | Yes |
Plain-language term for this code
The following entry in the US Medical Glossary corresponds to ICD-10-CM category F31:
- Bipolar Disorder — Trastorno bipolar
Last reviewed: September 2026