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 > Disorders Of External Ear 380.* > 2006 ICD-9-CM Diagnosis 380.52 Acquired stenosis of external ear canal secondary to surgery View the most recent version of ICD-9-CM 380.52 380.52 is a specific code that can be used to specify a diagnosis 380.52 contains 3 index entries View the ICD-9-CM Volume 1 380.* hierarchy  Index entries containing 380.52: Collapse 780.2 external ear canal 380.50 secondary to surgery 380.52 Stenosis (cicatricial) - see also Stricture external ear canal 380.50 secondary to surgery 380.52 Stricture (see also Stenosis) 799.89 ear canal (external) (congenital) 744.02 acquired 380.50 secondary to surgery 380.52