2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Nervous System And Sense Organs 320-389 > Disorders Of The Eye And Adnexa 360-379 > Disorders Of Iris And Ciliary Body 364.* > 2006 ICD-9-CM Diagnosis 364.51 Essential or progressive iris atrophy View the most recent version of ICD-9-CM 364.51 364.51 is a specific code that can be used to specify a diagnosis 364.51 contains 2 index entries View the ICD-9-CM Volume 1 364.* hierarchy  Index entries containing 364.51: Atrophy, atrophic iris (generalized) (postinfectional) (sector shaped) 364.59 essential 364.51 progressive 364.51