H66.91

Billable

Otitis media, unspecified, right ear

Diseases of the ear and mastoid process (H60-H95)

Check This Code

📋 Code Instructions

from H66.9
  • code for any associated perforated tympanic membrane (H72.-)
No additional coding notes for H66.91

🧪 Validate Combinations

Add H66.91 to the Excludes Checker to validate against your full code list.

Open in Checker

Code Information

CodeH66.91
BillableYes
ParentH66.9
CategoryDiseases of the ear and mastoid process (H60-H95)
Excludes10 rule(s)
Excludes20 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)