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 > Keratitis 370.* > 2008 ICD-9-CM Diagnosis 370.02 Ring corneal ulcer  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 Therefore, this code may be out of date.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 370.02 can be accessed here. 370.02 is a specific code that can be used to specify a diagnosis 370.02 contains 2 index entries View the ICD-9-CM Volume 1 370.* hierarchy ICD9Data's sister site ProcedureCodes.com launches with the 2008/09 CPT® codes - read more on the ICD9Data.com blog. Index entries containing 370.02: Ulcer, ulcerated, ulcerating, ulceration, ulcerative 707.9 cornea (infectional) 370.00 annular 370.02 ring 370.02