Acute and subacute allergic otitis media, recur, left ear

This code signifies an ongoing or recurring inflammatory condition of the middle ear, specifically the left ear, caused by an allergic reaction. The inflammation results in the accumulation of fluid, which can be mucoid (thick, mucus-like), sanguinous (bloody), or serous (thin, watery).

Apply this code when documentation clearly indicates a diagnosis of recurrent allergic otitis media affecting the left ear. This diagnosis is typically supported by a history of repeated episodes, allergic triggers, and findings of middle ear effusion.

• Ensure the documentation specifies "recurrent" and clearly identifies the left ear.
• Distinguish from acute non-allergic otitis media (H65.0- series) or chronic forms (H65.2- series).
• Code any associated allergic rhinitis or other allergic conditions separately, if documented.