2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Circulatory System 390-459 > Ischemic Heart Disease 410-414 > Angina Pectoris 413.* > 2008 ICD-9-CM Diagnosis 413.1 Prinzmetal angina  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 Therefore, this code may be out of date.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 413.1 can be accessed here. A clinical syndrome characterized by the development of CHEST PAIN at rest with concomitant transient ST segment elevation in the electrocardiogram, but with preserved exercise capacity. 413.1 is a specific code that can be used to specify a diagnosis 413.1 contains 4 index entries View the ICD-9-CM Volume 1 413.* hierarchy ICD9Data's sister site ProcedureCodes.com launches with the 2008/09 CPT® codes - read more on the ICD9Data.com blog. 413.1 also known as: Variant angina pectoris Index entries containing 413.1: Angina (attack) (cardiac) (chest) (effort) (heart) (pectoris) (syndrome) (vasomotor) 413.9 Prinzmetal's 413.1 variant 413.1 Prinzmetal's angina 413.1 Vasospasm 443.9 coronary 413.1