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v1.0.0
ICD-10 Guide
ICD-10 CodesH66.4

H66.4

Billable

Suppurative otitis media, unspecified

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

Code Description

ICD-10 H66.4 is a billable code used to indicate a diagnosis of suppurative otitis media, unspecified.

Key Diagnostic Point:

Suppurative otitis media is an infection of the middle ear characterized by the presence of pus in the middle ear space. This condition can occur in both acute and chronic forms, often resulting from bacterial or viral infections that follow upper respiratory tract infections. Patients typically present with ear pain, fever, irritability in children, and sometimes hearing loss. The presence of purulent drainage may be noted if the tympanic membrane ruptures. Diagnosis is primarily clinical, supported by otoscopic examination revealing a bulging, erythematous tympanic membrane. Management includes analgesics for pain relief, antibiotics for bacterial infections, and in some cases, surgical intervention such as tympanostomy tubes for recurrent cases. The unspecified nature of this code indicates that the specific type or cause of the suppurative otitis media is not documented, which can complicate treatment and management strategies.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in clinical presentation and severity of symptoms
  • Differentiation between acute and chronic forms
  • Potential for co-existing conditions affecting the ear
  • Need for precise documentation to support the diagnosis

Audit Risk Factors

  • Insufficient documentation of symptoms and clinical findings
  • Failure to specify acute vs. chronic otitis media
  • Inconsistent coding of related conditions
  • Lack of follow-up documentation for recurrent cases

Specialty Focus

Medical Specialties

Otolaryngology

Documentation Requirements

Detailed clinical notes including history, physical examination findings, and treatment plans.

Common Clinical Scenarios

Management of acute ear infections, chronic otitis media, and surgical interventions like tympanostomy.

Billing Considerations

Ensure clear documentation of the type of otitis media and any associated complications.

Pediatrics

Documentation Requirements

Thorough documentation of symptoms, family history, and any previous episodes of otitis media.

Common Clinical Scenarios

Evaluation and management of recurrent ear infections in children.

Billing Considerations

Consideration of age-related factors and developmental milestones in documentation.

Coding Guidelines

Inclusion Criteria

Use H66.4 When
  • According to ICD
  • 10 guidelines, H66
  • 4 should be used when the specific type of suppurative otitis media is not documented
  • Coders should ensure that the documentation supports the diagnosis and that any relevant clinical findings are included

Exclusion Criteria

Do NOT use H66.4 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

69436CPT Code

Tympanostomy, bilateral

Clinical Scenario

Used for patients with recurrent suppurative otitis media requiring surgical intervention.

Documentation Requirements

Document the frequency of infections and previous treatments.

Specialty Considerations

Otolaryngologists should ensure clear documentation of the need for surgery.

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 ability to capture the complexity of cases like suppurative otitis media. However, the unspecified nature of H66.4 can lead to challenges in justifying treatment and may impact reimbursement.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of ear conditions, improving the ability to capture the complexity of cases like suppurative otitis media. However, the unspecified nature of H66.4 can lead to challenges in justifying treatment and may impact reimbursement.

Reimbursement & Billing Impact

reimbursement.

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 is the difference between H66.4 and H66.0?

H66.4 is used for unspecified suppurative otitis media, while H66.0 is for acute cases specifically. Accurate documentation is crucial to determine the correct code.