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Compare/F31 vs F32

F31 vs F32

F31 (Bipolar disorder) compared with F32 (Depressive episode), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.

Can these codes be reported together?

No — do not report together. F31 carries an Excludes1 note covering F32: “major depressive disorder, single episode (F32.-)”

Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).

No — do not report together. F32 carries an Excludes1 note covering F31: “bipolar disorder (F31.-)”

Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).

Side by side

F31Bipolar disorderF32Depressive episode
Billing statusNon-billable header

Report instead: F31.0, F31.10, F31.11, F31.12, F31.13

Non-billable header

Report instead: F32.0, F32.1, F32.2, F32.3, F32.4

ClassificationF01-F99 — Mental, Behavioral and Neurodevelopmental Disorders (F01-F99)F01-F99 — Mental, Behavioral and Neurodevelopmental Disorders (F01-F99)
DefinitionBipolar disorder is a non-billable ICD-10-CM category code (F31).Depressive episode is a non-billable ICD-10-CM category code (F32).
Includes
bipolar I disorder
bipolar type I disorder
manic-depressive illness
manic-depressive psychosis
single episode of agitated depression
single episode of depressive reaction
single episode of major depression
single episode of psychogenic depression

Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources