MCMedicalCodingSoftware
H66.23

H66.23: Chronic atticoantral suppurative otitis media, bilateral

Billable / specific codeICD-10-CMbilateral

H66.23 is a billable, specific ICD-10-CM code for chronic atticoantral suppurative otitis media, bilateral. It is valid for submission on a claim.

Check H66.23 with the rest of the claim: free scrubber

Risk adjustment

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

Medicare coverage

H66.23 is named in 2 Medicare coverage policies: 2 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A57204Billing and Coding: MRI and CT Scans of the Head and Neck
  • A57434Billing and Coding: Vestibular and Audiologic Function Studies

Alphabetic index entries that lead here

  • Disease, diseased›atticoantral, chronic›left›with right
  • Disease, diseased›atticoantral, chronic›right›with left
  • Disease, diseased›persistent mucosal›left›with right
  • Disease, diseased›persistent mucosal›right›with left

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under H66.2

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.