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ICD-10 Guide
ICD-10 CodesF34.8

F34.8

Billable

Other persistent mood [affective] disorders

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

Code Description

ICD-10 F34.8 is a billable code used to indicate a diagnosis of other persistent mood [affective] disorders.

Key Diagnostic Point:

F34.8 encompasses a range of mood disorders that are characterized by persistent alterations in mood that do not fit neatly into the categories of major depressive disorder or bipolar disorder. These disorders can manifest as chronic depression, dysthymia, or other mood disturbances that are less severe but more enduring than typical mood episodes. Patients may experience symptoms such as low energy, irritability, and a general sense of dissatisfaction with life. The persistence of these symptoms can lead to significant impairment in social, occupational, and other important areas of functioning. Treatment often involves a combination of psychotherapy and pharmacotherapy, including mood stabilizers and antidepressants. Clinicians must carefully assess the patient's history and symptomatology to differentiate these disorders from other mood disorders and to tailor appropriate treatment plans. Regular suicide risk assessments are crucial, as individuals with persistent mood disorders may have an elevated risk of self-harm or suicidal ideation.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of symptoms that may overlap with other mood disorders
  • Need for comprehensive patient history to establish diagnosis
  • Potential for co-morbid conditions that complicate coding
  • Variability in treatment approaches and response

Audit Risk Factors

  • Inadequate documentation of symptom duration and severity
  • Failure to conduct and document suicide risk assessments
  • Misclassification of mood disorders due to overlapping symptoms
  • Lack of clear treatment plans in the medical record

Specialty Focus

Medical Specialties

Psychiatry

Documentation Requirements

Detailed patient history, symptom assessment, treatment plans, and follow-up notes.

Common Clinical Scenarios

Patients presenting with chronic low mood, irritability, or fatigue without clear episodes of major depression or mania.

Billing Considerations

Psychiatrists must document the chronicity of symptoms and any co-morbid psychiatric conditions.

Primary Care

Documentation Requirements

Routine screening for mood disorders, documentation of patient-reported outcomes, and referrals to mental health specialists.

Common Clinical Scenarios

Patients with persistent low mood or anxiety symptoms who may not meet criteria for major depressive disorder.

Billing Considerations

Primary care providers should be vigilant about assessing for suicide risk and documenting any referrals made.

Coding Guidelines

Inclusion Criteria

Use F34.8 When
  • According to ICD
  • 10 guidelines, F34
  • 8 should be used when the mood disorder is persistent and does not fit into other specific categories
  • Coders should ensure that the diagnosis is supported by clinical documentation that outlines the duration and impact of symptoms

Exclusion Criteria

Do NOT use F34.8 When
No specific exclusions found.

Related ICD-10 Codes

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

Session notes must include patient progress and treatment response.

Specialty Considerations

Psychiatrists should document the therapeutic approach and any changes in treatment.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of mood disorders, enabling better tracking of treatment outcomes and resource allocation. F34.8 provides a distinct category for persistent mood disorders that may have been previously underrepresented in ICD-9.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of mood disorders, enabling better tracking of treatment outcomes and resource allocation. F34.8 provides a distinct category for persistent mood disorders that may have been previously underrepresented in ICD-9.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of mood disorders, enabling better tracking of treatment outcomes and resource allocation. F34.8 provides a distinct category for persistent mood disorders that may have been previously underrepresented in ICD-9.

Resources

Clinical References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Coding & Billing References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Frequently Asked Questions

What distinguishes F34.8 from other mood disorder codes?

F34.8 is used for mood disorders that are persistent but do not meet the criteria for major depressive disorder or bipolar disorder. It captures a range of chronic mood disturbances.