Nonsuppurative otitis media Use additional code for any associated perforated tympanic membrane (H72.-)code, if applicable, to identify:exposure to environmental tobacco smoke (Z77.22)exposure to tobacco smoke in the perinatal period (P96.81)history of tobacco dependence (Z87.891)infectious agent (B95-B97)occupational exposure to environmental tobacco smoke (Z57.31)tobacco dependence (F17.-)tobacco use (Z72.0)Includes:nonsuppurative otitis media with myringitis