F31 — Bipolar disorder
Is F31 billable?
No — F31 is a non-billable header code. F31 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 28 billable codes beneath F31.
Billable codes under this header
- F31.0Bipolar disorder, current episode hypomanic
- F31.2Bipolar disorder, current episode manic severe with psychotic features
- F31.4Bipolar disorder, current episode depressed, severe, without psychotic features
- F31.5Bipolar disorder, current episode depressed, severe, with psychotic features
- F31.9Bipolar disorder, unspecified
- F31.10Bipolar disorder, current episode manic without psychotic features, unspecified
- F31.11Bipolar disorder, current episode manic without psychotic features, mild
- F31.12Bipolar disorder, current episode manic without psychotic features, moderate
- F31.13Bipolar disorder, current episode manic without psychotic features, severe
- F31.30Bipolar disorder, current episode depressed, mild or moderate severity, unspecified
- F31.31Bipolar disorder, current episode depressed, mild
- F31.32Bipolar disorder, current episode depressed, moderate
- F31.60Bipolar disorder, current episode mixed, unspecified
- F31.61Bipolar disorder, current episode mixed, mild
- F31.62Bipolar disorder, current episode mixed, moderate
- F31.63Bipolar disorder, current episode mixed, severe, without psychotic features
- F31.64Bipolar disorder, current episode mixed, severe, with psychotic features
- F31.70Bipolar disorder, currently in remission, most recent episode unspecified
- F31.71Bipolar disorder, in partial remission, most recent episode hypomanic
- F31.72Bipolar disorder, in full remission, most recent episode hypomanic
- F31.73Bipolar disorder, in partial remission, most recent episode manic
- F31.74Bipolar disorder, in full remission, most recent episode manic
- F31.75Bipolar disorder, in partial remission, most recent episode depressed
- F31.76Bipolar disorder, in full remission, most recent episode depressed
- F31.77Bipolar disorder, in partial remission, most recent episode mixed
- F31.78Bipolar disorder, in full remission, most recent episode mixed
- F31.81Bipolar II disorder
- F31.89Other bipolar disorder
F31 at a glance
| Code | F31 |
|---|---|
| Description | Bipolar disorder |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Excludes1 — never code together
The conditions below can never be reported together with F31 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Excludes2 — not included here
The conditions below are not part of F31, but a patient may have both at the same time. When documentation supports it, F31 and the excluded code may both be reported.
- cyclothymia (F34.0)
Includes
Conditions classified to F31.
- bipolar I disorder
- bipolar type I disorder
- manic-depressive illness
- manic-depressive psychosis
- manic-depressive reaction
- seasonal bipolar disorder
Excludes2 — not included here — inherited from Chapter 5
The conditions below are not part of F31, but a patient may have both at the same time. When documentation supports it, F31 and the excluded code may both be reported.
- symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)
What codes fall under F31? (10)
- F31.0Bipolar disorder, current episode hypomanic
- F31.1Bipolar disorder, current episode manic without psychotic featuresnot billable
- F31.2Bipolar disorder, current episode manic severe with psychotic features
- F31.3Bipolar disorder, current episode depressed, mild or moderate severitynot billable
- F31.4Bipolar disorder, current episode depressed, severe, without psychotic features
- F31.5Bipolar disorder, current episode depressed, severe, with psychotic features
- F31.6Bipolar disorder, current episode mixednot billable
- F31.7Bipolar disorder, currently in remissionnot billable
- F31.8Other bipolar disordersnot billable
- F31.9Bipolar disorder, unspecified
How long has F31 existed?
F31 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.
Which codes are confused with F31?
ICD-10-CM declares these codes mutually exclusive with F31 — exactly one of each pair can be correct for a given encounter.