2026 ICD-10-CM Diagnosis Code F34Persistent mood [affective] disorders

ICD-10-CM Codes›F01–F99›F30-F39›F34

ICD-10-CM F34
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

F34 is a non-billable ICD-10-CM category code for persistent mood [affective] disorders, so it cannot be submitted on claims. Use a more specific code from this category instead, such as F34.0, F34.1, F34.81, and F34.89.

Code Identity

ICD-10-CM Code
F34
Billable Status
No — Non-Billable Category
Code Describes
Persistent mood [affective] disorders
Short Description
Persistent mood [affective] disorders
Same as the full description in the CMS dataset.
Chapter
F30-F39
Mood [affective] disorders

Code Classification

ChapterF01–F99Mental and behavioural disorders
SectionF30-F39Mood [affective] disorders
CategoryF34Persistent mood [affective] disorders
This CodeF34Persistent mood [affective] disorders

Specific Coding for Persistent mood [affective] disordersOverview

Non-specific codes like F34 require more characters. Use one of these billable codes instead:

  • Use F34.0 for Cyclothymic disorder

  • Use F34.1 for Dysthymic disorder

  • F34.8 for Other persistent mood [affective] disorders

  • Use F34.81 for Disruptive mood dysregulation disorder

  • Use F34.89 for Other specified persistent mood disorders

  • Use F34.9 for Persistent mood [affective] disorder, unspecified

Patient EducationClinical

Mood Disorders

Most people feel sad or irritable from time to time. They may say they're in a bad mood. A mood disorder is different. It affects a person's everyday emotional state. Nearly one in ten people aged 18 and older have mood disorders. These include depression and bipolar disorder (also called manic depression).

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 F34Overview

Is F34 (Persistent mood [affective] disorders) a billable code?

No. This is a category header that groups the codes for persistent mood [affective] disorders, and headers cannot be submitted on claims. Claims for persistent mood [affective] disorders need a more specific code from this category, such as F34.0, F34.1, and F34.81.