2026 ICD-10-CM Diagnosis Code F33Major depressive disorder, recurrent

ICD-10-CM Codes›F01–F99›F30-F39›F33

ICD-10-CM F33
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

F33 is a non-billable ICD-10-CM category code for major depressive disorder, recurrent, so it cannot be submitted on claims. Use a more specific code from this category instead, such as F33.0, F33.1, F33.2, and F33.3.

Code Identity

ICD-10-CM Code
F33
Billable Status
No — Non-Billable Category
Code Describes
Major depressive disorder, recurrent
Chapter
F30-F39
Mood [affective] disorders

Code Classification

ChapterF01–F99Mental and behavioural disorders
SectionF30-F39Mood [affective] disorders
CategoryF33Major depressive disorder, recurrent
This CodeF33Major depressive disorder, recurrent

Specific Coding for Major depressive disorder, recurrentOverview

Non-specific codes like F33 require more characters. Use one of these billable codes instead:

  • Use F33.0 for Major depressive disorder, recurrent, mild

  • Use F33.1 for Major depressive disorder, recurrent, moderate

  • Use F33.2 for Major depressive disorder, recurrent severe without psychotic features

  • Use F33.3 for Major depressive disorder, recurrent, severe with psychotic symptoms

  • F33.4 for Major depressive disorder, recurrent, in remission

  • Use F33.40 for Major depressive disorder, recurrent, in remission, unspecified

  • Use F33.41 for Major depressive disorder, recurrent, in partial remission

  • Use F33.42 for Major depressive disorder, recurrent, in full remission

  • Use F33.8 for Other recurrent depressive disorders

  • Use F33.9 for Major depressive disorder, recurrent, unspecified

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

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

Type 1 Excludes

  • bipolar disorder F31
  • manic episode F30

Patient EducationClinical

Depression

Depression is more than a feeling of being sad or irritable for a few days. It's a serious mood disorder. As one of the most common mental disorders in the United States, depression can affect how you think, feel, and your everyday life.

The full article covers:

  • What is depression?
  • What are the different types of depression?
  • What causes depression?
  • Who is at risk of depression?
  • What are the symptoms of depression?
  • How is depression diagnosed?
  • What are the treatments for depression?
  • Can depression be prevented?

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About F33Overview

Is F33 (Major depressive disorder, recurrent) a billable code?

No. This is a category header that groups the codes for major depressive disorder, recurrent, and headers cannot be submitted on claims. Claims for major depressive disorder, recurrent need a more specific code from this category, such as F33.0, F33.1, and F33.2.