H73.9 - Unspecified disorder of tympanic membrane H73 - Other disorders of tympanic membrane H73.9 - Unspecified disorder of tympanic membrane
H73.90 - Unspecified disorder of tympanic membrane, unspecified ear H73.91 - Unspecified disorder of tympanic membrane, right ear H73.92 - Unspecified disorder of tympanic membrane, left ear H73.93 - Unspecified disorder of tympanic membrane, bilateral