2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Circulatory System 390-459 > Ischemic Heart Disease 410-414 > Acute Myocardial Infarction 410.* > 2008 ICD-9-CM Diagnosis 410.3 Acute myocardial infarction of inferoposterior wall  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 Therefore, this code may be out of date.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 410.3 can be accessed here. 410.3 is a non-specific code that cannot be used to specify a diagnosis 410.3 contains 3 index entries View the ICD-9-CM Volume 1 410.* hierarchy ICD9Data's sister site ProcedureCodes.com launches with the 2008/09 CPT® codes - read more on the ICD9Data.com blog. 410.3 also known as: ST elevation myocardial infarction (STEMI) of inferoposterior wall Index entries containing 410.3: Infarct, infarction myocardium, myocardial (acute or with a stated duration of 8 weeks or less) (with hypertension) 410.9 inferoposterior wall 410.3 posteroinferior 410.3 ST elevation (STEMI) 410.9 inferoposterior wall 410.3