What is the ICD-10 code for chronic depression?

The ICD-10 code for chronic depression, also known as dysthymic disorder, is F34.1. This code is used for chronic low-grade depression lasting at least two years.

How is chronic depression documented?

Chronic depression should be documented with specific duration, symptomatology, and PHQ-9 scores to ensure accurate coding and treatment planning.

ICD-10 Coding for Chronic Depression(F34.1, F32.9, F33.0)

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Explore ICD-10 coding for chronic depression, including documentation requirements, code relationships, and billing considerations. Learn how to accurately document and code dysthymic disorder.

Also known as:

Persistent Depressive DisorderDysthymia

Related ICD-10 Code Ranges

Complete code families applicable to Chronic Depression

F01-F99Primary Range

Mental, Behavioral and Neurodevelopmental disorders

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Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

Code	Description	When to Use	Key Documentation
F34.1	Dysthymic Disorder	Use for chronic low-grade depression lasting at least 2 years without major depressive episodes.	Chronic low-grade depression lasting ≥2 years PHQ-9 score 5–14 Documentation of ≥2 symptoms: poor appetite insomnia low energy low self-esteem poor concentration hopelessness
F33.1	Recurrent depressive disorder, moderate	Use for moderate recurrent depressive episodes.	PHQ-9 score 10–14 Moderate functional impairment

Primary ICD-10-CM Codes

Dysthymic disorder

F34.1Billable

Differential Codes

Alternative codes to consider when ruling out similar conditions

Recurrent depressive disorder, mildF33.0

Dysthymic DisorderF34.1

Documentation & Coding Risks

Avoid these common issues when documenting Chronic Depression.

Ambiguous documentation of depression

Impact

Clinical: May lead to inappropriate treatment., Regulatory: Non-compliance with documentation standards., Financial: Potential for denied claims.

Mitigation

Use specific terms like 'chronic' or 'recurrent', Include PHQ-9 scores

Using F32.9 for chronic depression

Impact

Reimbursement: May lead to incorrect DRG assignment., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate clinical data representation.

Mitigation

Use F34.1 for chronic cases or F33.x for recurrent episodes.

Inaccurate coding of depression severity

Impact

Failure to document severity can lead to audit findings.

Mitigation

Use PHQ-9 scores and detailed symptom descriptions.

Frequently Asked Questions

Documentation requirements, coding pitfalls and FAQs for conditions coded with F34.1.

Primary Code

F34.1

Dysthymic disorder

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ICD-10 codes7

Coding risks3

FAQs2

ICD-10 Coding for Chronic Depression(F34.1, F32.9, F33.0)

Documentation & Coding Risks

Frequently Asked Questions

What is the ICD-10 code for chronic depression?

How is chronic depression documented?

Related condition guides