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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

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Code Details

Code
H66.90
Category
Diseases of the ear and mastoid process
Billable Status
Billable

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