Is F31.3 a billable code?
No. F31.3 is a header code that groups 3 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
F31.3: Bipolar disorder, current episode depressed, mild or moderate severity
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
F31.3 groups related diagnoses under bipolar disorder, current episode depressed, mild or moderate severity. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under F31.3
- 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
Other codes in F31 Bipolar disorder
- F31.0Bipolar disorder, current episode hypomanic
- F31.1Bipolar disorder, current episode manic without psychotic featuresheader
- 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
- F31.6Bipolar disorder, current episode mixedheader
- F31.7Bipolar disorder, currently in remissionheader
- F31.8Other bipolar disordersheader
- F31.9Bipolar disorder, unspecified
F31.3 questions
What does F31.3 mean?
F31.3 is the ICD-10-CM code for Bipolar disorder, current episode depressed, mild or moderate severity. It is in chapter 5, Mental, behavioral and neurodevelopmental disorders (F01-F99).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.