2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Circulatory System 390-459 > Ischemic Heart Disease 410-414 > 2006 ICD-9-CM Diagnosis 411 Other acute and subacute forms of ischemic heart disease View the most recent version of ICD-9-CM 411 411 is a non-specific code that cannot be used to specify a diagnosis