2006 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 Middle Ear And Mastoid 385.* > 2006 ICD-9-CM Diagnosis 385.3 Cholesteatoma of middle ear and mastoid View the most recent version of ICD-9-CM 385.3 Cholesteatoma of the middle ear, usually associated with chronic infection, and commonly affecting the tympanum, epitympanum, and antrum. 385.3 is a non-specific code that cannot be used to specify a diagnosis View the ICD-9-CM Volume 1 385.* hierarchy Alternate Terminology Cholesterosis of (middle) ear Epidermosis of (middle) ear Keratosis of (middle) ear Polyp of (middle) ear 385.3 Excludes cholesteatoma: external ear canal (380.21) recurrent of postmastoidectomy cavity (383.32)