ICD-10-CM > H60-H95 > H65-H75 > H66 > H66.1 H66.1 Chronic tubotympanic suppurative otitis media Non-Billable/Non-Specific Applicable To Benign chronic suppurative otitis mediaChronic tubotympanic disease Use Additional code for any associated perforated tympanic membrane (H72.-) Codes H66.10Chronic tubotympanic suppurative otitis media, unspecifiedH66.11Chronic tubotympanic suppurative otitis media, right earH66.12Chronic tubotympanic suppurative otitis media, left earH66.13Chronic tubotympanic suppurative otitis media, bilateral