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ICD-10 Guide
ICD-10 CodesChapter 5: Mental, Behavioral and Neurodevelopmental disordersF34

F34

Billable

Persistent mood [affective] disorders

Chapter 5:Mental, Behavioral and Neurodevelopmental disorders

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/05/2025

Code Description

ICD-10 F34 is a billable code used to indicate a diagnosis of persistent mood [affective] disorders.

Key Diagnostic Point:

Persistent mood disorders, classified under ICD-10 code F34, encompass a range of chronic mood disturbances that significantly affect an individual's emotional state and functioning. These disorders include conditions such as dysthymia (persistent depressive disorder) and cyclothymia, characterized by long-term depressive and hypomanic symptoms, respectively. Patients with persistent mood disorders often experience fluctuations in mood that can lead to difficulties in daily functioning, interpersonal relationships, and overall quality of life. The diagnosis requires a thorough clinical assessment, including a detailed history of mood symptoms, duration, and impact on functioning. Treatment typically involves a combination of psychotherapy and pharmacotherapy, including mood stabilizers and antidepressants. Given the chronic nature of these disorders, ongoing management and monitoring are essential to mitigate risks, including the potential for suicidal ideation and behavior. Regular suicide risk assessments are crucial in this population to ensure patient safety and appropriate intervention.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of symptoms and presentations that can complicate diagnosis.
  • Need for comprehensive documentation of chronicity and severity.
  • Potential overlap with other mood disorders, requiring careful differentiation.
  • Variability in treatment approaches and response to therapy.

Audit Risk Factors

  • Inadequate documentation of symptom duration and severity.
  • Failure to perform and document suicide risk assessments.
  • Misclassification of acute mood episodes as persistent disorders.
  • Lack of follow-up documentation on treatment response.

Specialty Focus

Medical Specialties

Psychiatry

Documentation Requirements

Detailed clinical notes outlining symptom history, treatment plans, and response to interventions.

Common Clinical Scenarios

Patients presenting with chronic depressive symptoms, treatment-resistant depression, or mood instability.

Billing Considerations

Psychiatrists must ensure comprehensive assessments are documented to support the chronic nature of the disorder.

Primary Care

Documentation Requirements

Routine screening for mood disorders, documentation of referrals to mental health specialists.

Common Clinical Scenarios

Patients with persistent low mood, fatigue, and functional impairment.

Billing Considerations

Primary care providers should be vigilant about recognizing signs of persistent mood disorders and documenting any referrals or treatment plans.

Coding Guidelines

Inclusion Criteria

Use F34 When
  • According to ICD
  • 10 coding guidelines, F34 is used when a mood disorder is persistent and has been present for at least two years
  • Documentation must reflect the chronicity of symptoms and their impact on the patient's life

Exclusion Criteria

Do NOT use F34 When
  • Exclusion criteria include acute mood disorders that do not meet the duration requirement

Related CPT Codes

90834CPT Code

Psychotherapy, 45 minutes with patient

Clinical Scenario

Used for ongoing therapy sessions for patients with persistent mood disorders.

Documentation Requirements

Document the duration of the session and the focus of therapy.

Specialty Considerations

Psychiatrists and psychologists should ensure that therapy notes reflect the chronic nature of the mood disorder.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of persistent mood disorders, improving the ability to capture the chronic nature of these conditions and their impact on patient care.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of persistent mood disorders, improving the ability to capture the chronic nature of these conditions and their impact on patient care.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of persistent mood disorders, improving the ability to capture the chronic nature of these conditions and their impact on patient care.

Resources

Clinical References

  • •
    American Psychiatric Association - Diagnostic and Statistical Manual of Mental Disorders

Coding & Billing References

  • •
    American Psychiatric Association - Diagnostic and Statistical Manual of Mental Disorders

Frequently Asked Questions

What is the difference between F34 and F32?

F34 refers to persistent mood disorders that last for at least two years, while F32 is used for major depressive episodes that are acute and may not meet the chronicity requirement.