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 370.04 Hypopyon 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 Therefore, this code may be out of date.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 370.04 can be accessed here. 370.04 is a specific code that can be used to specify a diagnosis 370.04 contains 7 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. 370.04 also known as: Serpiginous ulcer Index entries containing 370.04: Hypopyon (anterior chamber) (eye) 364.05 ulcer (cornea) 370.04 Keratitis (nodular) (nonulcerative) (simple) (zonular) NEC 370.9 hypopyon 370.04 Saemisch's ulcer 370.04 Ulcer, ulcerated, ulcerating, ulceration, ulcerative 707.9 cornea (infectional) 370.00 serpent, serpiginous 370.04 hypopyon (chronic) (subacute) 370.04 Saemisch's 370.04 Ulcus - see also Ulcer serpens corneae (pneumococcal) 370.04