2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Nervous System And Sense Organs 320-389 > Diseases Of The Ear And Mastoid Process 380-389 > Other Disorders Of Tympanic Membrane 384.* >  2008 ICD-9-CM Diagnosis 384.20
Perforation of tympanic membrane unspecified On October 1, 2008 the 2009 ICD-9-CM codes came into effect. Therefore, this code may be out of date.
The 2009 version of ICD-9-CM 384.20 can be accessed here. - An opening in the tympanic membrane usually caused by trauma. There are four general categories: compression injuries (the most common and usually the result of a blow to the ear); instrumentation injuries (the second most common, usually inadvertent, caused often by cotton swabs or bobby-pins); burn-slag injuries (frequently seen in industry, from hot metal from machines or welding); and blast injuries (usually seen during war or as a result of terrorist bombing). In the absence of infection, most traumatic tympanic membrane perforations heal spontaneously. Persistent perforation is usually a manifestation of tubotympanitis, an inflammation of the eustachian tube and tympanic cavity (middle ear). (From Paparella, Shumrick, Gluckman, and Meyerhoff: Otolaryngology, vol. II, 3d ed, pp1363-65)
- 384.20 is a specific code that can be used to specify a diagnosis
- 384.20 contains 4 index entries
- View the ICD-9-CM Volume 1 384.* hierarchy
Index entries containing 384.20:- Perforation, perforative (nontraumatic)
- tympanum (membrane) (persistent posttraumatic) (postinflammatory)
 384.20
Rupture, ruptured 553.9- ear drum (see also Perforation, tympanum) 384.20
- with otitis media - see Otitis media
- traumatic - see Wound, open, ear
- membrana tympani (see also Perforation, tympanum) 384.20
- with otitis media - see Otitis media
- traumatic - see Wound, open, ear
- tympanum, tympanic (membrane) (see also Perforation, tympanum) 384.20
- with otitis media - see Otitis media
- traumatic - see Wound, open, ear, drum
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