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ICD-10 Guide
ICD-10 CodesH61.329

H61.329

Billable

Acquired stenosis of external ear canal secondary to inflammation and infection, unspecified ear

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

Code Description

ICD-10 H61.329 is a billable code used to indicate a diagnosis of acquired stenosis of external ear canal secondary to inflammation and infection, unspecified ear.

Key Diagnostic Point:

Acquired stenosis of the external ear canal is a condition characterized by the narrowing of the ear canal due to inflammation and infection. This condition can arise from various causes, including chronic otitis externa, trauma, or prolonged exposure to moisture, leading to tissue changes and scarring. Patients may present with symptoms such as ear pain, hearing loss, and a sensation of fullness in the ear. The condition can be unilateral or bilateral, but this code is used when the specific ear is not specified. Diagnosis typically involves a thorough clinical examination, including otoscopy, to assess the degree of stenosis and any associated infections. Management may include medical treatment with antibiotics or corticosteroids to reduce inflammation, and in some cases, surgical intervention may be necessary to restore the ear canal's patency. This condition is significant as it can lead to complications such as recurrent infections and further hearing loss if not adequately addressed.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in clinical presentation and severity of stenosis
  • Need for precise documentation of the underlying cause of inflammation/infection
  • Differentiation from other ear canal conditions
  • Potential for co-existing ear conditions that may complicate coding

Audit Risk Factors

  • Inadequate documentation of the cause of stenosis
  • Failure to specify the affected ear
  • Misclassification of the condition as congenital rather than acquired
  • Lack of supporting clinical evidence for the diagnosis

Specialty Focus

Medical Specialties

Otolaryngology

Documentation Requirements

Detailed history of ear symptoms, physical examination findings, and any imaging studies performed.

Common Clinical Scenarios

Patients presenting with chronic ear infections, hearing loss, or post-surgical complications.

Billing Considerations

Ensure clear documentation of the etiology of stenosis and any prior treatments.

Audiology

Documentation Requirements

Audiometric evaluations and assessments of hearing loss related to ear canal conditions.

Common Clinical Scenarios

Patients with hearing loss secondary to ear canal stenosis or chronic infections.

Billing Considerations

Document the relationship between ear canal conditions and audiometric findings.

Coding Guidelines

Inclusion Criteria

Use H61.329 When
  • Follow official ICD
  • CM guidelines for coding acquired conditions
  • Ensure that the documentation supports the diagnosis of acquired stenosis due to inflammation/infection
  • Use additional codes for any associated conditions

Exclusion Criteria

Do NOT use H61.329 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

69210CPT Code

Removal of impacted cerumen

Clinical Scenario

Used when cerumen impaction is present alongside stenosis.

Documentation Requirements

Document the presence of cerumen and the procedure performed.

Specialty Considerations

Otolaryngologists should ensure clear documentation of the relationship between cerumen and stenosis.

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, improving the accuracy of diagnoses and treatment tracking. H61.329 provides a clear designation for acquired stenosis, which was less specific in ICD-9.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of ear conditions, improving the accuracy of diagnoses and treatment tracking. H61.329 provides a clear designation for acquired stenosis, which was less specific in ICD-9.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of ear conditions, improving the accuracy of diagnoses and treatment tracking. H61.329 provides a clear designation for acquired stenosis, which was less specific in ICD-9.

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 causes of acquired stenosis of the external ear canal?

Common causes include chronic otitis externa, trauma, and prolonged moisture exposure, leading to inflammation and scarring.