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ICD-10 Guide
ICD-10 CodesF51.04

F51.04

Billable

Psychophysiologic insomnia

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

Code Description

ICD-10 F51.04 is a billable code used to indicate a diagnosis of psychophysiologic insomnia.

Key Diagnostic Point:

Psychophysiologic insomnia is a sleep disorder characterized by difficulty falling asleep or staying asleep, primarily due to psychological factors rather than a primary sleep disorder. This condition often arises from stress, anxiety, or other emotional disturbances that lead to a heightened state of arousal, making it difficult for individuals to relax and initiate sleep. Patients may experience a cycle of anxiety about their inability to sleep, which further exacerbates the insomnia. The condition can significantly impact daily functioning, leading to fatigue, mood disturbances, and impaired cognitive performance. Treatment typically involves cognitive-behavioral therapy (CBT) aimed at addressing the underlying psychological issues and developing healthier sleep habits. It is essential for healthcare providers to differentiate psychophysiologic insomnia from other sleep disorders, such as primary insomnia or insomnia due to medical conditions, to ensure appropriate management and coding.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiation from other sleep disorders
  • Need for comprehensive patient history
  • Potential overlap with mental health diagnoses
  • Documentation of psychological factors

Audit Risk Factors

  • Inadequate documentation of psychological factors
  • Failure to differentiate from primary insomnia
  • Lack of treatment plan details
  • Insufficient patient history

Specialty Focus

Medical Specialties

Psychiatry

Documentation Requirements

Detailed psychological assessment and treatment plan.

Common Clinical Scenarios

Patients presenting with anxiety disorders leading to sleep disturbances.

Billing Considerations

Consideration of comorbid mental health conditions that may affect sleep.

Sleep Medicine

Documentation Requirements

Sleep studies and comprehensive sleep history.

Common Clinical Scenarios

Patients with chronic insomnia complaints and psychological evaluations.

Billing Considerations

Integration of behavioral therapy recommendations in treatment plans.

Coding Guidelines

Inclusion Criteria

Use F51.04 When
  • According to ICD
  • 10 guidelines, F51
  • 04 should be used when insomnia is primarily due to psychological factors
  • It is essential to document the psychological assessment and any comorbid conditions that may contribute to the insomnia

Exclusion Criteria

Do NOT use F51.04 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

90834CPT Code

Psychotherapy, 45 minutes with patient

Clinical Scenario

Used in conjunction with F51.04 for therapy addressing insomnia.

Documentation Requirements

Document the focus of therapy on sleep issues and psychological factors.

Specialty Considerations

Psychiatrists should ensure that therapy notes reflect the connection to insomnia.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of sleep disorders, including psychophysiologic insomnia, which helps in better tracking and management of these conditions.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of sleep disorders, including psychophysiologic insomnia, which helps in better tracking and management of these conditions.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of sleep disorders, including psychophysiologic insomnia, which helps in better tracking and management of these conditions.

Resources

Clinical References

  • •
    American Academy of Sleep Medicine

Coding & Billing References

  • •
    American Academy of Sleep Medicine

Frequently Asked Questions

What is the primary cause of psychophysiologic insomnia?

Psychophysiologic insomnia is primarily caused by psychological factors such as stress and anxiety, which lead to a heightened state of arousal that interferes with the ability to sleep.