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ICD-10 Guide
ICD-10 CodesF41.8

F41.8

Billable

Other specified anxiety disorders

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

Code Description

ICD-10 F41.8 is a billable code used to indicate a diagnosis of other specified anxiety disorders.

Key Diagnostic Point:

F41.8 encompasses a variety of anxiety disorders that do not fit neatly into the more commonly recognized categories such as generalized anxiety disorder, panic disorder, or social anxiety disorder. This code is used when a patient presents with anxiety symptoms that are clinically significant but do not meet the full criteria for any specific anxiety disorder. Examples may include anxiety related to specific situations or events, such as adjustment disorders with anxiety, or anxiety symptoms that are secondary to another medical condition. Clinicians must carefully document the nature of the anxiety, its duration, and any associated features to justify the use of this code. Treatment may involve psychotherapy, medication, or a combination of both, and the approach should be tailored to the individual’s specific symptoms and circumstances. Understanding the nuances of anxiety disorders is crucial for accurate coding and effective treatment planning.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of symptoms that can be classified under this code
  • Need for thorough documentation to justify the diagnosis
  • Differentiation from other anxiety disorders
  • Potential overlap with other mental health conditions

Audit Risk Factors

  • Insufficient documentation of symptoms
  • Failure to specify the nature of the anxiety disorder
  • Inconsistent coding with treatment provided
  • Lack of follow-up documentation

Specialty Focus

Medical Specialties

Psychiatry

Documentation Requirements

Comprehensive mental health evaluations, including patient history and symptom assessment.

Common Clinical Scenarios

Patients presenting with anxiety symptoms that do not meet criteria for other specific anxiety disorders.

Billing Considerations

Documentation must clearly outline the rationale for using F41.8, including symptom duration and impact on functioning.

Primary Care

Documentation Requirements

Detailed patient history, including psychosocial factors and any comorbid conditions.

Common Clinical Scenarios

Patients with anxiety symptoms related to stressors or chronic medical conditions.

Billing Considerations

Primary care providers should ensure that referrals to mental health specialists are documented when necessary.

Coding Guidelines

Inclusion Criteria

Use F41.8 When
  • According to ICD
  • 10 guidelines, F41
  • 8 should be used when the anxiety symptoms are clinically significant but do not meet the criteria for any other specific anxiety disorder
  • Coders should ensure that the documentation supports the diagnosis and that the symptoms are not better explained by another mental health condition

Exclusion Criteria

Do NOT use F41.8 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 anxiety symptoms.

Documentation Requirements

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

Specialty Considerations

Psychiatrists should document the therapeutic approach and response to treatment.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of anxiety disorders, including the ability to capture nuances in symptoms that may not have been adequately represented in ICD-9. 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 anxiety disorders, including the ability to capture nuances in symptoms that may not have been adequately represented in ICD-9. 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 anxiety disorders, including the ability to capture nuances in symptoms that may not have been adequately represented in ICD-9. This specificity aids in better treatment planning and resource allocation.

Resources

Clinical References

  • •
    Anxiety and Depression Association of America

Coding & Billing References

  • •
    Anxiety and Depression Association of America

Frequently Asked Questions

What types of symptoms are included under F41.8?

F41.8 includes a range of anxiety symptoms that do not fit into other specific categories, such as excessive worry, restlessness, and physical symptoms like increased heart rate or sweating, as long as they are clinically significant.