Free Medical Coding > ICD10 CM > 2024 ICD-10-CM Codes > 2024 ICD-10-CM Codes H60-H95 – Diseases of the ear and mastoid process (H60-H95) > 2024 ICD-10-CM Codes H65-H75 – Diseases of middle ear and mastoid (H65-H75) > 2024 ICD-10-CM Codes H66 – Suppurative and unspecified otitis media (H66) > 2024 ICD-10-CM Codes H66.2 – Chronic atticoantral suppurative otitis media (H66.2)