H66.40
ICD-10-CMThis code signifies an acute or chronic middle ear infection characterized by pus formation, where the specific type of suppurative otitis media (e.g., acute, chronic, recurrent) is not documented. It indicates an inflammatory process within the middle ear space involving purulent exudate, without further specification of its nature or laterality.
Apply this code when documentation clearly indicates suppurative otitis media but lacks details regarding its acuity (acute vs. chronic), recurrence, or the specific ear affected. This is a last resort when more specific codes for suppurative otitis media cannot be assigned due to insufficient clinical information.
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