ICD-10-CM

H66.21: Chronic atticoantral suppurative otitis media, right ear

A billable ICD-10-CM diagnosis code.

Source: CDC ICD-10-CM FY2027 order file dated June 16, 2026. Publisher page

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A header groups codes and is not billed. A billable code is one you can report.

It's the public CDC file. Check the current ICD-10-CM guidelines before you code.

The CDC tabular list says to add the code named here after this one when it applies.

From H66.2. A note on a category applies to every code under it.

Use additional code for any associated perforated tympanic membrane (H72.-)

From H66. A note on a category applies to every code under it.

Use additional code to identify: