ICD-10-CM Code I23: Certain current complications following ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarction (within the 28 day period) and Related Diagnosis Codes.


The ICD-10-CM (the International Classification of Diseases, Tenth Revision, Clinical Modification) is a standardized coding system used when classifying diseases and medical conditions. Healthcare providers report these codes on Medical claims when diagnosing patient care.

Explore ICD-10-CM codes, organized by chapters based on body systems and medical conditions, as outlined in the International Classification of Diseases, Tenth Revision, Clinical Modification.

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A categorized list of ICD-10-CM codes organized by chapters based on body systems or medical conditions, according to the International Classification of Diseases, Tenth Revision, Clinical Modification.

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  • I23 - Certain current complications following ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarction (within the 28 day period)
    • I23.0 - Hemopericardium as current complication following acute myocardial infarction
    • I23.1 - Atrial septal defect as current complication following acute myocardial infarction
    • I23.2 - Ventricular septal defect as current complication following acute myocardial infarction
    • I23.3 - Rupture of cardiac wall without hemopericardium as current complication following acute myocardial infarction
    • I23.4 - Rupture of chordae tendineae as current complication following acute myocardial infarction
    • I23.5 - Rupture of papillary muscle as current complication following acute myocardial infarction
    • I23.6 - Thrombosis of atrium, auricular appendage, and ventricle as current complications following acute myocardial infarction
    • I23.7 - Postinfarction angina
    • I23.8 - Other current complications following acute myocardial infarction

Note: The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) codes are developed and maintained by the Centers for Disease Control and Prevention (CDC). CDC's National Center for Health Statistics (NCHS) is responsible for the clinical modification of ICD-10 for use in the United States. The World Health Organization (WHO), which owns and publishes ICD-10, authorized NCHS to develop ICD-10-CM. All modifications to ICD-10 must conform to WHO's established ICD structure and conventions. All rights are reserved by the respective entities.