F33.0 Major depressive disorder, recurrent, mild

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Applies from F33 Major depressive disorder, recurrent

Includes

• recurrent episodes of depressive reaction
• recurrent episodes of endogenous depression
• recurrent episodes of major depression
• recurrent episodes of psychogenic depression
• recurrent episodes of reactive depression
• recurrent episodes of seasonal affective disorder
• recurrent episodes of seasonal depressive disorder
• recurrent episodes of vital depression

Excludes1 (never code together)

• bipolar disorder (F31.-)
• manic episode (F30.-)

Risk adjustment (HCC)

• CMS-HCC V22: HCC 58 — Major Depressive, Bipolar, and Paranoid Disorders
• RxHCC V08: HCC 132 — Depression
• ESRD V24: HCC 59

MS-DRG index

Defines the logic of DRG(s) 885 in MDC 19.

Approximate ICD-9-CM (GEMs)

• 296.31 Major depressive affective disorder, recurrent episode, mild

Code annotations containing back-references to F33.0

Back-references to F33

• Type 2 Excludes: F06.3 Mood disorder due to known physiological condition ("mood disorders, not due to known physiological condition or unspecified (F30-F39)")
• Type 1 Excludes: F30 Manic episode ("major depressive disorder, recurrent (F33.-)")
• Type 1 Excludes: F31 Bipolar disorder ("major depressive disorder, recurrent (F33.-)")
• Type 1 Excludes: F32 Depressive episode ("recurrent depressive disorder (F33.-)")
• Type 2 Excludes: F42 Obsessive-compulsive disorder ("obsessive-compulsive symptoms occurring in depression (F32.-, F33.-)")
• Type 2 Excludes: F44.2 Dissociative stupor ("depressive stupor (F32, F33)")
• Type 2 Excludes: F63.2 Kleptomania ("depressive disorder with stealing (F31.-, F32.-, F33.-)")
• Type 2 Excludes: F90 Attention-deficit hyperactivity disorders ("mood [affective] disorders (F30-F39)")
• Type 2 Excludes: F91 Conduct disorders ("mood [affective] disorders (F30-F39)")
• Type 2 Excludes: F93.0 Separation anxiety disorder of childhood ("mood [affective] disorders (F30-F39)")
• Type 1 Excludes: R40.1 Stupor ("depressive stupor (F31.-, F32.-, F33.-)")
• Type 1 Excludes: R53.8 Other malaise and fatigue ("exhaustion and fatigue due to recurrent depressive episode (F33-)")

Diagnosis Index entries for F33.0

• Disorder (of) › depressive › recurrent › current episode › mild

Nearby codes

• F33 Major depressive disorder, recurrent
• F33.0 Major depressive disorder, recurrent, mild (this code)
• F33.1 Major depressive disorder, recurrent, moderate
• F33.2 Major depressive disorder, recurrent severe without psychotic features
• F33.3 Major depressive disorder, recurrent, severe with psychotic symptoms
• F33.4 Major depressive disorder, recurrent, in remission
• F33.40 Major depressive disorder, recurrent, in remission, unspecified