H66.90
Otitis media, unspecified, unspecified ear
Diseases of the ear and mastoid process Billable
Quick Reference
Middle ear infection without specification of acute vs chronic or affected ear
Clinical Information
When to Use This Code
Middle ear infection without specification of acute vs chronic or affected ear
Common Clinical Scenarios
- Acute otitis media in children
- Ear pain with fever
- Antibiotic prescribing for ear infection
- Bulging tympanic membrane
Documentation Requirements
- Document otoscopic findings (TM appearance)
- Specify laterality (right, left, bilateral)
- Note if acute vs chronic
- Record if purulent vs serous
Coding Guidelines
Inclusion Terms
These terms are included in this code:
Middle ear infectionOtitis media NOSEar infection
Exclusion Terms
Do NOT use this code for:
- External otitis (H60.-)
- Otitis media with effusion (H65.-)
Coding Notes
Use more specific codes when details known
H66.001 for acute otitis media, right
Very common in children
Related ICD-10 Codes
Consider these related codes based on patient presentation:
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Code
H66.90
Category
Diseases of the ear and mastoid process
Billable Status
Billable
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