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 384.23 Other marginal perforation of tympanic membrane  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 Therefore, this code may be out of date.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 384.23 can be accessed here. 384.23 is a specific code that can be used to specify a diagnosis 384.23 contains 1 index entry View the ICD-9-CM Volume 1 384.* hierarchy ICD9Data's sister site ProcedureCodes.com launches with the 2008/09 CPT® codes - read more on the ICD9Data.com blog. Index entries containing 384.23: Perforation, perforative (nontraumatic) tympanum (membrane) (persistent posttraumatic) (postinflammatory) 384.20 marginal NEC 384.23