ICD-10-CM · Chapter 8 · H60–H95

H66.9

Otitis media, unspecified

Diseases of the ear and mastoid process

Heads up:this is a parent code. It's typically not directly billable — you need to drill down to a more specific child code (one with additional digits) to use on a claim.

Quick facts

Code: H66.9
Type: Category / header (non-billable)
ICD-10-CM chapter: Chapter 8 — Diseases of the ear and mastoid process
Category: H66 — Suppurative and unspecified otitis media
Specificity: 4 characters

How coders use this code

ICD-10-CM H66.9 is a category (header) for otitis media, unspecified. It is generally not reported directly on a claim — coders drill down to a more specific child code (one with additional characters) that matches the documentation. Use the related codes below to find the billable code that fits, and verify against the annual NCHS/CMS guidelines.

Related codes in H66

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