2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Circulatory System 390-459 > Ischemic Heart Disease 410-414 > Acute Myocardial Infarction 410.* > 2006 ICD-9-CM Diagnosis 410.90 Acute myocardial infarction of unspecified site episode of care unspecified View the most recent version of ICD-9-CM 410.90 410.90 is a specific code that can be used to specify a diagnosis View the ICD-9-CM Volume 1 410.* hierarchy