Persistent mood [affective] disorders (F34) ICD-10-CM
The F34 code range covers persistent mood [affective] disorders with 7 ICD-10-CM diagnosis codes. 5 of them are billable and valid for claim submission in fiscal year 2026, and the category headers group them but cannot themselves be billed.
Codes in the F34 Range 7 codes · 5 billable
- F34 Persistent mood [affective] disordersNon-billable
- F34.0 Cyclothymic disorder
- F34.1 Dysthymic disorder
- F34.8 Other persistent mood [affective] disordersNon-billable
- F34.81 Disruptive mood dysregulation disorder
- F34.89 Other specified persistent mood disorders
- F34.9 Persistent mood [affective] disorder, unspecified
Clinical Terms in This Code Range
Definitions from the National Library of Medicine for conditions coded in the F34 range.
Cyclothymic Disorder
An affective disorder characterized by periods of depression and hypomania. These may be separated by periods of normal mood.
Dysthymic Disorder
Chronically depressed mood that occurs for most of the day more days than not for at least 2 years. The required minimum duration in children to make this diagnosis is 1 year. During periods of depressed mood, at least 2 of the following additional symptoms are present: poor appetite or overeating, insomnia or hypersomnia, low energy or fatigue, low self-esteem, poor concentration or difficulty making decisions, and feelings of hopelessness. (DSM-IV)
About the F34 Code Range
The ICD-10 code section F34 covers persistent mood or affective disorders, which are long-lasting mood conditions affecting an individual's emotional state. These codes are used to classify different types of chronic mood disorders that differ from acute episodes.
This section includes specific codes such as F34.0 for cyclothymic disorder, a condition also known as cyclothymia or affective personality trait, characterized by fluctuating mood disturbances less severe than bipolar disorder. The F34.1 code represents dysthymic disorder, often referred to as dysthymia or early and late onset dysthymia, describing a persistent depressive mood lasting for years. Other codes like F34.81 identify disruptive mood dysregulation disorder, which involves severe irritability and mood swings in children. These codes help healthcare professionals and coders distinguish among various persistent mood disorders for accurate diagnosis and record-keeping. Using the correct ICD-10 code for persistent mood affective disorders ensures clear communication regarding the patient’s long-term mood conditions.
Questions About This Page
How many billable codes are in the F34 range?
Of the 7 codes in this range, 5 are billable and valid for claim submission from October 1, 2025 through September 30, 2026. Category header codes group them but cannot be reported on claims.
What does the F34 range classify?
The range classifies persistent mood [affective] disorders. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2026 ICD-10-CM Tabular List and order file, effective October 1, 2025 through September 30, 2026.
