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ICD-10 Guide
ICD-10 CodesH61.819

H61.819

Billable

Exostosis of external canal, unspecified ear

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/12/2025

Code Description

ICD-10 H61.819 is a billable code used to indicate a diagnosis of exostosis of external canal, unspecified ear.

Key Diagnostic Point:

Exostosis of the external auditory canal, commonly referred to as surfer's ear, is characterized by the formation of bony growths in the ear canal. These growths can develop due to repeated exposure to cold water and wind, leading to chronic irritation and inflammation. Clinically, patients may present with symptoms such as hearing loss, ear fullness, or recurrent ear infections. Diagnosis is typically made through otoscopic examination, where the bony protrusions can be visualized. In some cases, imaging studies like CT scans may be utilized to assess the extent of the exostosis. Management may include monitoring for asymptomatic cases, while symptomatic patients may require surgical intervention to remove the exostosis and restore normal ear canal function. Post-operative care is crucial to prevent complications such as infection or recurrence of growths. This condition is often seen in individuals who engage in water sports, but it can also occur in non-aquatic environments due to other irritants.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in clinical presentation and symptoms
  • Need for precise documentation of the extent of the exostosis
  • Differentiation from other ear canal conditions
  • Potential for co-existing conditions affecting coding

Audit Risk Factors

  • Inadequate documentation of symptoms and clinical findings
  • Failure to specify the ear affected (left, right, or bilateral)
  • Lack of clarity on the necessity of surgical intervention
  • Misclassification with other ear canal disorders

Specialty Focus

Medical Specialties

Otolaryngology

Documentation Requirements

Detailed notes on patient history, physical examination findings, and imaging results.

Common Clinical Scenarios

Patients presenting with hearing loss, recurrent ear infections, or post-surgical follow-ups.

Billing Considerations

Ensure clear documentation of the surgical procedure performed and any complications.

Audiology

Documentation Requirements

Audiometric evaluations and reports detailing the impact of exostosis on hearing.

Common Clinical Scenarios

Patients undergoing hearing assessments due to suspected conductive hearing loss.

Billing Considerations

Document the relationship between exostosis and hearing impairment for accurate coding.

Coding Guidelines

Inclusion Criteria

Use H61.819 When
  • According to ICD
  • 10 coding guidelines, H61
  • 819 should be used when there is a confirmed diagnosis of exostosis in the external canal without specification of the ear
  • Coders must ensure that the documentation supports the diagnosis and any associated symptoms

Exclusion Criteria

Do NOT use H61.819 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

69631CPT Code

Exostosis removal from external auditory canal

Clinical Scenario

Used when a patient with H61.819 undergoes surgical intervention.

Documentation Requirements

Operative report detailing the procedure and findings.

Specialty Considerations

Otolaryngologists must document the extent of the exostosis and any complications.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of ear conditions, including exostosis. This specificity aids in better tracking of treatment outcomes and resource allocation.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of ear conditions, including exostosis. This specificity aids in better tracking of treatment outcomes and resource allocation.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of ear conditions, including exostosis. This specificity aids in better tracking of treatment outcomes and resource allocation.

Resources

Clinical References

  • •
    American Academy of Otolaryngology - Head and Neck Surgery

Coding & Billing References

  • •
    American Academy of Otolaryngology - Head and Neck Surgery

Frequently Asked Questions

What are the common symptoms of exostosis of the external canal?

Common symptoms include hearing loss, a feeling of fullness in the ear, and recurrent ear infections. Patients may also experience pain or discomfort in the ear.