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ICD-10 Guide
ICD-10 CodesF43.23

F43.23

Billable

Adjustment disorder with mixed anxiety and depressed mood

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

Code Description

ICD-10 F43.23 is a billable code used to indicate a diagnosis of adjustment disorder with mixed anxiety and depressed mood.

Key Diagnostic Point:

Adjustment disorder with mixed anxiety and depressed mood is a psychological condition that arises in response to identifiable stressors, leading to emotional and behavioral symptoms that are disproportionate to the severity of the stressor. This disorder is characterized by a combination of anxiety and depressive symptoms, which may include feelings of sadness, hopelessness, excessive worry, and difficulty concentrating. Patients may experience physical symptoms such as fatigue, sleep disturbances, and changes in appetite. The onset of symptoms typically occurs within three months of the stressor and can last for up to six months after the stressor has resolved. This condition is often seen in individuals facing significant life changes, such as divorce, job loss, or the death of a loved one. It is crucial for healthcare providers to differentiate this disorder from other anxiety disorders, PTSD, and major depressive disorder, as treatment approaches may vary significantly. Effective management often includes psychotherapy, medication, and lifestyle modifications to help patients cope with stress and improve their emotional well-being.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating from other anxiety and mood disorders
  • Identifying the specific stressor related to the diagnosis
  • Documenting the duration and severity of symptoms
  • Understanding the impact of co-occurring conditions

Audit Risk Factors

  • Inadequate documentation of stressors
  • Failure to specify the duration of symptoms
  • Misclassification of the disorder as a primary mood or anxiety disorder
  • Lack of evidence for treatment plans

Specialty Focus

Medical Specialties

Psychiatry

Documentation Requirements

Detailed patient history, including stressors, symptom duration, and treatment response.

Common Clinical Scenarios

Patients experiencing life transitions, such as divorce or job loss, presenting with anxiety and depressive symptoms.

Billing Considerations

Ensure that the diagnosis is supported by thorough clinical evaluation and that treatment plans are well-documented.

Primary Care

Documentation Requirements

Comprehensive assessment of mental health symptoms and their impact on daily functioning.

Common Clinical Scenarios

Patients presenting with physical symptoms that may be related to anxiety or depression, often without a clear psychological diagnosis.

Billing Considerations

Collaboration with mental health specialists may be necessary for accurate diagnosis and treatment.

Coding Guidelines

Inclusion Criteria

Use F43.23 When
  • According to ICD
  • 10 coding guidelines, F43
  • 23 should be used when the symptoms are directly related to a specific stressor and are not better explained by another mental health disorder
  • Documentation must clearly outline the stressor and the symptoms experienced by the patient

Exclusion Criteria

Do NOT use F43.23 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

90834CPT Code

Psychotherapy, 45 minutes with patient

Clinical Scenario

Used for outpatient therapy sessions addressing adjustment disorder symptoms.

Documentation Requirements

Session notes must detail the patient's symptoms, treatment goals, and progress.

Specialty Considerations

Psychiatrists and psychologists should ensure that the diagnosis aligns with the treatment provided.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of adjustment disorders, improving the ability to capture the nuances of mixed anxiety and depressive symptoms. This specificity aids in better treatment planning and resource allocation.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of adjustment disorders, improving the ability to capture the nuances of mixed anxiety and depressive symptoms. This specificity aids in better treatment planning and resource allocation.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of adjustment disorders, improving the ability to capture the nuances of mixed anxiety and depressive symptoms. This specificity aids in better treatment planning and resource allocation.

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 adjustment disorder and major depressive disorder?

Adjustment disorder is specifically triggered by identifiable stressors and typically resolves once the stressor is addressed, while major depressive disorder is a more pervasive condition that may not be linked to specific events and can persist longer.