MCMedicalCodingSoftware
H66.9

H66.9: Otitis media, unspecified

Non-billable headerICD-10-CM

H66.9 is a non-billable header ICD-10-CM code for otitis media, unspecified. It cannot be billed on its own: choose one of the more specific child codes below.

Use additional code

Add a secondary code to capture the detail described below.

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

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Otitis media NOS
  • Acute otitis media NOS
  • Chronic otitis media NOS

Other codes that can never be billed with H66.9

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • H65.1Other acute nonsuppurative otitis media

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead H66.9

4 child codes. Green means billable.

Other codes under H66

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.