ICD-10-CM
ICD-10 code for Bipolar disorder: F31.9
The CDC title for "Bipolar disorder" is F31 (Bipolar disorder), a header that is not billable. When nothing more specific is documented, the billable code is F31.9, Bipolar disorder, unspecified.
Source: CDC ICD-10-CM FY2027 order file dated June 16, 2026. Publisher page
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Codes under F31, then other CDC titles that name bipolar disorder
A header groups codes and is not billed. A billable code is one you can report.
- F31Bipolar disorderHeader
- F31.0Bipolar disorder, current episode hypomanicBillable
- F31.1Bipolar disorder, current episode manic without psychotic featuresHeader
- F31.10Bipolar disorder, current episode manic without psychotic features, unspecifiedBillable
- F31.11Bipolar disorder, current episode manic without psychotic features, mildBillable
- F31.12Bipolar disorder, current episode manic without psychotic features, moderateBillable
- F31.13Bipolar disorder, current episode manic without psychotic features, severeBillable
- F31.2Bipolar disorder, current episode manic severe with psychotic featuresBillable
- F31.3Bipolar disorder, current episode depressed, mild or moderate severityHeader
- F31.30Bipolar disorder, current episode depressed, mild or moderate severity, unspecifiedBillable
- F31.31Bipolar disorder, current episode depressed, mildBillable
- F31.32Bipolar disorder, current episode depressed, moderateBillable
- F31.4Bipolar disorder, current episode depressed, severe, without psychotic featuresBillable
- F31.5Bipolar disorder, current episode depressed, severe, with psychotic featuresBillable
- F31.6Bipolar disorder, current episode mixedHeader
- F31.60Bipolar disorder, current episode mixed, unspecifiedBillable
- F31.61Bipolar disorder, current episode mixed, mildBillable
- F31.62Bipolar disorder, current episode mixed, moderateBillable
- F31.63Bipolar disorder, current episode mixed, severe, without psychotic featuresBillable
- F31.64Bipolar disorder, current episode mixed, severe, with psychotic featuresBillable
- F31.7Bipolar disorder, currently in remissionHeader
- F31.70Bipolar disorder, currently in remission, most recent episode unspecifiedBillable
- F31.71Bipolar disorder, in partial remission, most recent episode hypomanicBillable
- F31.72Bipolar disorder, in full remission, most recent episode hypomanicBillable
- F31.73Bipolar disorder, in partial remission, most recent episode manicBillable
- F31.74Bipolar disorder, in full remission, most recent episode manicBillable
- F31.75Bipolar disorder, in partial remission, most recent episode depressedBillable
- F31.76Bipolar disorder, in full remission, most recent episode depressedBillable
- F31.77Bipolar disorder, in partial remission, most recent episode mixedBillable
- F31.78Bipolar disorder, in full remission, most recent episode mixedBillable
- F31.8Other bipolar disordersHeader
- F31.81Bipolar II disorderBillable
- F31.89Other bipolar disorderBillable
- F31.9Bipolar disorder, unspecifiedBillable
Excludes1
Excludes1 means these codes are not reported together.
From F31. A note on a category applies to every code under it.
Excludes2
Excludes2 means the other condition can be reported with this one when both are documented.
From F31. A note on a category applies to every code under it.
Related conditions
Related pages
- F31.9 code detailsNotes, nearby codes, CMS-HCC group
- Category F31Every code under it
- Chapter 5Mental, behavioral and neurodevelopmental disorders
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Bipolar disorder?
The CDC title for "Bipolar disorder" is F31 (Bipolar disorder), a header that is not billable. When nothing more specific is documented, the billable code is F31.9, Bipolar disorder, unspecified.
Is F31.9 billable?
Yes. F31.9 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What documentation notes apply to F31.9?
The CDC tabular list gives 3 Excludes1 notes (not coded together), 1 Excludes2 note (may be coded together when both are documented) for F31.9 and the categories above it. They are listed on this page.
What chapter is F31.9 in?
Chapter 5. Mental, behavioral and neurodevelopmental disorders.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.