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

⚠ Non-Billable ICD-10-CM 2026
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The ICD-10-CM code for Bipolar disorder, current episode depressed, mild or moderate severity is F31.3 (FY2026). It is a non-billable category code — select a more specific code below for claims.

Classification

Section
F30-F39: Mood [affective] disorders (F30-F39)
Category F31
34 codes (28 billable)
FY2026 Status
Stable since FY2024

Official Coding Guidelines

Pain disorders related to psychological factors (TOC entry)

a. Pain disorders related to psychological factors ..................................................................... 43

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.5.a
Psychoactive substance use disorders (TOC entry)

b. Mental and behavioral disorders due to psychoactive substance use ................................... 43

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.5.b

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Related Codes

Parent Code

F31 Bipolar disorder

More Specific Codes

F31.30 Bipolar disorder, current episode depressed, mild or moderate severity, unspecified F31.31 Bipolar disorder, current episode depressed, mild F31.32 Bipolar disorder, current episode depressed, moderate

Related Codes in F31

F31 Bipolar disorder F31.0 Bipolar disorder, current episode hypomanic F31.1 Bipolar disorder, current episode manic without psychotic features F31.10 Bipolar disorder, current episode manic without psychotic features, unspecified F31.11 Bipolar disorder, current episode manic without psychotic features, mild F31.12 Bipolar disorder, current episode manic without psychotic features, moderate F31.13 Bipolar disorder, current episode manic without psychotic features, severe F31.2 Bipolar disorder, current episode manic severe with psychotic features F31.30 Bipolar disorder, current episode depressed, mild or moderate severity, unspecified F31.31 Bipolar disorder, current episode depressed, mild F31.32 Bipolar disorder, current episode depressed, moderate F31.4 Bipolar disorder, current episode depressed, severe, without psychotic features F31.5 Bipolar disorder, current episode depressed, severe, with psychotic features F31.6 Bipolar disorder, current episode mixed F31.60 Bipolar disorder, current episode mixed, unspecified F31.61 Bipolar disorder, current episode mixed, mild F31.62 Bipolar disorder, current episode mixed, moderate F31.63 Bipolar disorder, current episode mixed, severe, without psychotic features F31.64 Bipolar disorder, current episode mixed, severe, with psychotic features F31.7 Bipolar disorder, currently in remission
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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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