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ICD-10 Guide
ICD-10 CodesChapter 8: Diseases of the ear and mastoid processH66

H66

Billable

Suppurative and unspecified otitis media

Chapter 8:Diseases of the ear and mastoid process

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

Code Description

ICD-10 H66 is a billable code used to indicate a diagnosis of suppurative and unspecified otitis media.

Key Diagnostic Point:

Suppurative otitis media is characterized by the presence of pus in the middle ear, often resulting from bacterial infections. It is a common condition in children but can also affect adults. Symptoms typically include ear pain, fever, irritability in children, and hearing loss. The condition may arise following upper respiratory infections, allergies, or sinusitis. Diagnosis is primarily clinical, supported by otoscopic examination revealing a bulging, red tympanic membrane, and possibly purulent drainage. Management often involves antibiotics, analgesics, and in some cases, surgical intervention such as tympanostomy tubes to facilitate drainage and prevent recurrence. Chronic cases may lead to complications like hearing loss or mastoiditis, necessitating careful monitoring and follow-up. Accurate coding is essential for proper reimbursement and tracking of healthcare outcomes.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in clinical presentation among different age groups
  • Differentiation between acute and chronic forms
  • Potential for complications requiring additional codes
  • Need for precise documentation of symptoms and treatment

Audit Risk Factors

  • Inadequate documentation of symptoms
  • Failure to specify acute vs. chronic
  • Incorrect linkage of diagnosis to treatment
  • Lack of follow-up documentation

Specialty Focus

Medical Specialties

Otolaryngology

Documentation Requirements

Detailed history of ear symptoms, physical examination findings, and treatment plans.

Common Clinical Scenarios

Management of recurrent otitis media, surgical interventions like tympanostomy.

Billing Considerations

Ensure documentation reflects the severity and duration of symptoms for accurate coding.

Pediatrics

Documentation Requirements

Growth and development assessments, vaccination history, and family history of ear infections.

Common Clinical Scenarios

Evaluation of ear pain in children, management of acute otitis media.

Billing Considerations

Documenting parental concerns and child’s response to treatment is crucial.

Coding Guidelines

Inclusion Criteria

Use H66 When
  • Follow ICD
  • CM guidelines for coding otitis media, ensuring to specify the type (acute, chronic) and any associated complications
  • Use additional codes for any co
  • existing conditions

Exclusion Criteria

Do NOT use H66 When
No specific exclusions found.

Related CPT Codes

69436CPT Code

Tympanostomy, surgical

Clinical Scenario

Used for chronic otitis media with effusion.

Documentation Requirements

Document the indication for surgery and prior treatment attempts.

Specialty Considerations

Otolaryngologists must ensure all conservative measures were attempted before surgery.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of otitis media, improving the ability to track and manage patient outcomes. H66 provides a broad classification that can be further specified based on clinical details.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of otitis media, improving the ability to track and manage patient outcomes. H66 provides a broad classification that can be further specified based on clinical details.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of otitis media, improving the ability to track and manage patient outcomes. H66 provides a broad classification that can be further specified based on clinical details.

Resources

Clinical References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Coding & Billing References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Frequently Asked Questions

What is the difference between acute and chronic suppurative otitis media?

Acute suppurative otitis media is characterized by sudden onset of symptoms and typically resolves with treatment, while chronic suppurative otitis media persists for longer periods and may require surgical intervention.