2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Circulatory System 390-459 > Ischemic Heart Disease 410-414 > Other Forms Of Chronic Ischemic Heart Disease 414.* > 2008 ICD-9-CM Diagnosis 414.04 Coronary atherosclerosis of artery bypass graft  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 Therefore, this code may be out of date.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 414.04 can be accessed here. 414.04 is a specific code that can be used to specify a diagnosis 414.04 contains 1 index entry View the ICD-9-CM Volume 1 414.* hierarchy ICD9Data's sister site ProcedureCodes.com launches with the 2008/09 CPT® codes - read more on the ICD9Data.com blog. 414.04 also known as: Internal mammary artery Index entries containing 414.04: Arteriosclerosis, arteriosclerotic (artery) (deformans) (diffuse) (disease) (endarteritis) (general) (obliterans) (obliterative) (occlusive) (senile) (with calcification) 440.9 bypass graft coronary artery 414.05 autologous artery (gastroepiploic) (internal mammary) 414.04