2027 ICD-10-CM Diagnosis Code F32.9Major depressive disorder, single episode, unspecified
ICD-10-CM Codes›F01–F99›F30-F39›F32
- Billable — Valid for Submission
- Chronic Condition
F32.9 is a billable ICD-10-CM diagnosis code for major depressive disorder, single episode, unspecified. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 881. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Depressive disorders.
F32.9 does not risk-adjust for Medicare Advantage under the CMS-HCC V28 model. It still risk-adjusts in the RxHCC Part D (V08) category 132 for payment year 2027.
Code Identity
Code Classification
Medicare Risk Adjustment (HCC)Billing
F32.9 does not risk-adjust for Medicare Advantage under the CMS-HCC V28 model, but it maps to payment categories in the other CMS models shown below.
Source: CMS Payment Year 2027 risk adjustment mappings and model software. Weights are relative factors, not dollar amounts; a beneficiary's total RAF also includes demographics and interactions. Browse all CMS-HCC categories.
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Alzheimer's disease with depressed mood
- Arteriosclerotic dementia with depression
- Atypical depressive disorder
- Chronic major depressive disorder, single episode
- Depression annual review
- Depression interim review
- Depression requiring intervention
- Depressive disorder in mother complicating childbirth
- Depressive disorder in mother complicating pregnancy
- Depressive symptoms due to primary psychotic disorder
- Endogenous depression
- Endogenous depression first episode
- Major depression, melancholic type
- Major depression, single episode
- Major depressive disorder
- Major depressive disorder in mother complicating childbirth
- Major depressive disorder in mother complicating pregnancy
- Major depressive disorder, single episode with atypical features
- Major depressive disorder, single episode with melancholic features
- Major depressive disorder, single episode with postpartum onset
- Mental disorder in mother complicating childbirth
- Mental disorder in mother complicating pregnancy
- Minimal major depression
- Minimal major depression single episode
- Moderately severe major depression
- Moderately severe major depression single episode
- Perry syndrome
- Postpartum depression
- Presenile dementia with depression
- Psychological sign or symptom
- Psychological symptom
- Symptoms of depression
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to F32.9: its own notes plus those printed at F32 and Chapter 5. A note printed at a category, block or chapter applies to every code under it.
Includes
Further defines, or gives examples of, the content of the category.
- single episode of agitated depression
- single episode of depressive reaction
- single episode of major depression
- single episode of psychogenic depression
- single episode of reactive depression
- single episode of vital depression
- disorders of psychological development
Applicable To
Conditions this code is used for: synonyms of the title or, for "other specified" codes, the conditions assigned to it. The list is not exhaustive.
- Major depression NOS
Excludes1
Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.
Excludes2
Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.
Source: CMS ICD-10-CM Tabular List. How to read instructional notes.
Referenced in Other NotesGuidance
Instructional notes printed at other codes that name F32.9, its category, or a range that includes it.
Excludes1 3
These codes carry an Excludes1 note naming F32.9: they are not reported together with it, unless the two conditions are unrelated.
- F30 Manic episodemajor depressive disorder, single episode (F32.-) names F32.-, which includes this code
- F31 Bipolar disordermajor depressive disorder, single episode (F32.-) names F32.-, which includes this code
- R40.1 Stupordepressive stupor (F31.-, F32.-, F33.-) names F32.-, which includes this code
Excludes2 8
These codes carry an Excludes2 note naming F32.9: its condition is not part of those codes, and both may be reported when the patient has both.
- F42 Obsessive-compulsive disorderobsessive-compulsive symptoms occurring in depression (F32.-, F33.-) names F32.-, which includes this code
- F44.2 Dissociative stupordepressive stupor (F32, F33) names F32, which includes this code
- F63.2 Kleptomaniadepressive disorder with stealing (F31.-, F32.-, F33.-) names F32.-, which includes this code
- R53.83 Other fatigueexhaustion and fatigue due to depressive episode (F32.-) names F32.-, which includes this code
- F06.3 Mood disorder due to known physiological condition
- F90 Attention-deficit hyperactivity disorders
- F91 Conduct disorders
- F93.0 Separation anxiety disorder of childhood
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
Disorder (of) See Also: Disease;
major F32.9
single episode F32.9
psychogenic NOS See Also: condition; F45.9
depressive F32.9
major F32.9
Reaction See Also: Disorder;
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Clinical InformationClinical
Major Depressive Disorder
disorder in which five (or more) of the following symptoms have been present during the same 2-week period and represent a change from previous functioning; at least one of the symptoms is either (1) depressed mood or (2) loss of interest or pleasure. symptoms include: depressed mood most of the day, nearly every day; markedly diminished interest or pleasure in activities most of the day, nearly every day; significant weight loss when not dieting or weight gain; insomnia or hypersomnia nearly every day; psychomotor agitation or retardation nearly every day; fatigue or loss of energy nearly every day; feelings of worthlessness or excessive or inappropriate guilt; diminished ability to think or concentrate, or indecisiveness, nearly every day; or recurrent thoughts of death, recurrent suicidal ideation without a specific plan, or a suicide attempt. (dsm-5)
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.
Convert F32.9 to ICD-9-CMHistory
Code HistoryHistory
Questions About F32.9Overview
What is the ICD-10 code for major depressive disorder, single episode, unspecified?
The ICD-10-CM code for major depressive disorder, single episode, unspecified is F32.9 (sometimes written as F329). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
Is F32.9 (Depressive episode) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report major depressive disorder, single episode, unspecified on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
What MS-DRG does F32.9 group to?
When major depressive disorder, single episode, unspecified is the principal diagnosis on an inpatient stay, it groups to MS-DRG 881 (depressive Neuroses), which carries a relative weight of 0.8963. Higher weights mean higher Medicare reimbursement.
Can F32.9 be reported with a code from F31?
Not as a rule. The Excludes1 note at F32, which applies to F32.9, lists "bipolar disorder (F31.-)". An Excludes1 note means the excluded code is never reported together with this one; the only exception is when the two conditions are unrelated to each other (Official Guidelines, Section I.A.12.a).
What is the ICD-9 equivalent of F32.9?
Under the General Equivalence Mappings, major depressive disorder, single episode, unspecified converts to ICD-9-CM 296.20 (depress psychosis-unspec) and 311 (depressive disorder NEC). The mapping is approximate, so confirm the match fits the documentation.
Does F32.9 risk-adjust for Medicare Advantage payment?
Not for Medicare Advantage: F32.9 maps to no category in the CMS-HCC V28 model. It still risk-adjusts in the RxHCC Part D (V08) category 132 (Depression).