2008 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 > Chorioretinal Inflammations Scars And Other Disorders Of Choroid 363.* > 2008 ICD-9-CM Diagnosis 363.42 Diffuse secondary atrophy of choroid  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 Therefore, this code may be out of date.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 363.42 can be accessed here. 363.42 is a specific code that can be used to specify a diagnosis 363.42 contains 2 index entries View the ICD-9-CM Volume 1 363.* hierarchy ICD9Data's sister site ProcedureCodes.com launches with the 2008/09 CPT® codes - read more on the ICD9Data.com blog. Index entries containing 363.42: Atrophy, atrophic choroid 363.40 diffuse secondary 363.42 Degeneration, degenerative choroid (colloid) (drusen) 363.40 senile 363.41 diffuse secondary 363.42