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ICD-10 Guide
ICD-10 CodesF42.8

F42.8

Billable

Other obsessive-compulsive disorder

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

Code Description

ICD-10 F42.8 is a billable code used to indicate a diagnosis of other obsessive-compulsive disorder.

Key Diagnostic Point:

Other obsessive-compulsive disorder (OCD) encompasses a range of symptoms that do not fit neatly into the more commonly recognized categories of OCD. Patients may experience intrusive thoughts, compulsive behaviors, or both, that significantly impair their daily functioning. Unlike typical OCD, which may involve specific obsessions (e.g., fear of contamination, fear of harming others), other OCD can manifest in unique ways, such as obsessive thoughts about moral or ethical dilemmas, or compulsions that are not easily categorized. This disorder can lead to significant anxiety, distress, and avoidance behaviors, impacting social, occupational, and personal domains of life. Treatment often includes cognitive-behavioral therapy (CBT), exposure and response prevention (ERP), and sometimes pharmacotherapy with SSRIs. Accurate diagnosis and coding are crucial for effective treatment planning and insurance reimbursement.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of symptoms that may not fit standard OCD categories
  • Overlap with other anxiety disorders, complicating diagnosis
  • Need for detailed clinical documentation to justify coding
  • Potential for misdiagnosis with related conditions

Audit Risk Factors

  • Insufficient documentation of symptoms and treatment
  • Failure to specify the nature of obsessions or compulsions
  • Inadequate justification for the use of this specific code
  • Misalignment between diagnosis and treatment provided

Specialty Focus

Medical Specialties

Psychiatry

Documentation Requirements

Detailed patient history, symptom description, treatment plan, and response to treatment.

Common Clinical Scenarios

Patients presenting with intrusive thoughts and compulsive behaviors that do not fit typical OCD patterns.

Billing Considerations

Need for comprehensive assessment to differentiate from other anxiety disorders.

Psychology

Documentation Requirements

Thorough psychological evaluation, including standardized assessment tools and treatment progress notes.

Common Clinical Scenarios

Patients undergoing cognitive-behavioral therapy for non-specific OCD symptoms.

Billing Considerations

Focus on behavioral interventions and patient self-reporting of symptoms.

Coding Guidelines

Inclusion Criteria

Use F42.8 When
  • Follow the ICD
  • CM coding guidelines for mental health disorders, ensuring that the diagnosis is supported by clinical documentation
  • Include specific details about the nature of obsessions and compulsions, and document any co
  • occurring conditions

Exclusion Criteria

Do NOT use F42.8 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 OCD symptoms.

Documentation Requirements

Session notes detailing patient progress and treatment focus.

Specialty Considerations

Psychiatrists and psychologists should document specific OCD symptoms addressed in therapy.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of OCD symptoms, enabling better tracking of treatment outcomes and resource allocation. F42.8 provides a means to capture cases that do not fit traditional OCD categories, improving the understanding of this complex disorder.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of OCD symptoms, enabling better tracking of treatment outcomes and resource allocation. F42.8 provides a means to capture cases that do not fit traditional OCD categories, improving the understanding of this complex disorder.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of OCD symptoms, enabling better tracking of treatment outcomes and resource allocation. F42.8 provides a means to capture cases that do not fit traditional OCD categories, improving the understanding of this complex disorder.

Resources

Clinical References

  • •
    American Psychiatric Association - DSM-5

Coding & Billing References

  • •
    American Psychiatric Association - DSM-5

Frequently Asked Questions

What distinguishes F42.8 from other OCD codes?

F42.8 is used for OCD symptoms that do not fit into the more specific categories of OCD, allowing for a broader range of symptoms to be documented and treated.