ICD-10-CM Code For Persistent Mood Affective Disorders: Group Overview

The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group F34 includes persistent mood and affective disorders such as dysthymia, cyclothymic disorder, and other long-term mood disturbances that do not meet criteria for episodic mood disorders. These ICD-10-CM diagnosis codes are used to document chronic mood symptoms, longitudinal severity, and functional impact across outpatient and inpatient psychiatric care. Accurate coding within the ICD-10-CM F34 group supports complete clinical documentation and appropriate reimbursement.

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ICD-10-CM F34: Persistent Mood [Affective] Disorders Overview

The ICD-10-CM F34 group includes persistent mood or affective disorders such as cyclothymic disorder and dysthymia that primarily affect mood regulation. These conditions target mental and behavioral health and often present with chronic depressive or mood instability symptoms. Accurate coding matters for appropriate clinical documentation and can affect reimbursement and resource allocation.

When to Use

Use a code from this group when the clinical record documents a chronic mood disorder with symptoms present for an extended period and when criteria for an episodic mood disorder are not met. These codes apply to encounters focused on management, monitoring, or evaluation of long-term affective symptoms and functional impact.

ICD-10-CM Codes

5 rows

ICD-10-CM Code	Description
F34.0	Cyclothymic disorder
F34.1	Dysthymic disorder
F34.81	Disruptive mood dysregulation disorder
F34.89	Other specified persistent mood disorders
F34.9	Persistent mood [affective] disorder, unspecified

DRG Codes

3 rows

DRG Code	Description
881	Depressive Neuroses
883	Disorders of Personality and Impulse Control
885	Psychoses

Typical Clinical Scenarios

A middle-aged patient presents to primary care with a 3-year history of persistently low mood, diminished interest in activities, low energy, hypersomnia, poor concentration, and social withdrawal that do not meet criteria for major depressive episodes but cause functional impairment; the visit is for longitudinal management and medication adjustment. A diagnosis from this group is assigned to capture a chronic, enduring mood disturbance distinct from episodic depressive disorders. Typical codes: F34.1
An older adult in a long-term care facility has longstanding cyclothymic symptoms characterized by numerous periods of hypomanic-like elevated mood and mild depressive symptoms over many years without meeting criteria for bipolar I or II; staff request psychiatric consultation because of increasing mood instability affecting care. A code from this group is used to document the persistent, fluctuating mood pattern requiring ongoing monitoring and support. Typical codes: F34.0
An adult with a chronic mood disorder presents to the outpatient clinic primarily for management of anxiety and insomnia complicating their underlying chronic affective condition; the persistent mood disturbance has been the backdrop for the current treatment complexity and impacts medication choices and prognosis. A code from this group is assigned as a comorbid, persistent mood disorder contributing to current symptoms. Typical codes: F34.89, F34.9

Related Codes

F30-MANIC-EPISODE

ICD-10-CM Code For Manic Episode: Group Overview

F31-BIPOLAR-DISORDER

ICD-10-CM Code For Bipolar Disorder: Group Overview

F32-DEPRESSIVE-EPISODE

ICD-10-CM Code For Depressive Episode: Group Overview

F33-MAJOR-DEPRESSIVE-DISORDER-RECURRENT

ICD-10-CM Code For Major Depressive Disorder Recurrent: Group Overview

F39-UNSPECIFIED-MOOD-AFFECTIVE-DISORDER

ICD-10-CM Code For Unspecified Mood Affective Disorder: Group Overview

Frequently Asked Questions

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.

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When to Use

ICD-10-CM Codes

5 rows

ICD-10-CM Code	Description
F34.0	Cyclothymic disorder
F34.1	Dysthymic disorder
F34.81	Disruptive mood dysregulation disorder
F34.89	Other specified persistent mood disorders
F34.9	Persistent mood [affective] disorder, unspecified

DRG Codes

3 rows

DRG Code	Description
881	Depressive Neuroses
883	Disorders of Personality and Impulse Control
885	Psychoses

Typical Clinical Scenarios

A middle-aged patient presents to primary care with a 3-year history of persistently low mood, diminished interest in activities, low energy, hypersomnia, poor concentration, and social withdrawal that do not meet criteria for major depressive episodes but cause functional impairment; the visit is for longitudinal management and medication adjustment. A diagnosis from this group is assigned to capture a chronic, enduring mood disturbance distinct from episodic depressive disorders. Typical codes: F34.1
An older adult in a long-term care facility has longstanding cyclothymic symptoms characterized by numerous periods of hypomanic-like elevated mood and mild depressive symptoms over many years without meeting criteria for bipolar I or II; staff request psychiatric consultation because of increasing mood instability affecting care. A code from this group is used to document the persistent, fluctuating mood pattern requiring ongoing monitoring and support. Typical codes: F34.0
An adult with a chronic mood disorder presents to the outpatient clinic primarily for management of anxiety and insomnia complicating their underlying chronic affective condition; the persistent mood disturbance has been the backdrop for the current treatment complexity and impacts medication choices and prognosis. A code from this group is assigned as a comorbid, persistent mood disorder contributing to current symptoms. Typical codes: F34.89, F34.9

Related Codes

F30-MANIC-EPISODE

ICD-10-CM Code For Manic Episode: Group Overview

F31-BIPOLAR-DISORDER

ICD-10-CM Code For Bipolar Disorder: Group Overview

F32-DEPRESSIVE-EPISODE

ICD-10-CM Code For Depressive Episode: Group Overview

F33-MAJOR-DEPRESSIVE-DISORDER-RECURRENT

ICD-10-CM Code For Major Depressive Disorder Recurrent: Group Overview

F39-UNSPECIFIED-MOOD-AFFECTIVE-DISORDER

ICD-10-CM Code For Unspecified Mood Affective Disorder: Group Overview

Frequently Asked Questions

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.

Published by

Trek Health powers OpenPayer with a leading commercial payer intelligence platform, seamlessly converting fragmented payer data into actionable insights for provider organizations.

ICD-10-CM Code For Persistent Mood Affective Disorders: Group Overview

Sign up for ICD-10-CM Code For Persistent Mood Affective Disorders: Group Overview policy alerts

ICD-10-CM F34: Persistent Mood [Affective] Disorders Overview

ICD-10-CM Code For Persistent Mood Affective Disorders: Group Overview

Sign up for ICD-10-CM Code For Persistent Mood Affective Disorders: Group Overview policy alerts

ICD-10-CM F34: Persistent Mood [Affective] Disorders Overview

When to Use

ICD-10-CM Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

Which diagnoses are included in the ICD-10-CM F34 group?

How does accurate coding within `F34` affect reimbursement and documentation?

What clinical presentations are represented by the `F34` codes?

Which DRGs are related to the ICD-10-CM F34 group for inpatient classification?

When should a coder choose `F34.9` versus a specified `F34` code?

References

When to Use

ICD-10-CM Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

Which diagnoses are included in the ICD-10-CM F34 group?

How does accurate coding within `F34` affect reimbursement and documentation?

What clinical presentations are represented by the `F34` codes?

Which DRGs are related to the ICD-10-CM F34 group for inpatient classification?

When should a coder choose `F34.9` versus a specified `F34` code?

References