I23
ICD-10Non-billable categoryCertain crnt comp fol STEMI & NSTEMI mocard infrc <= 28 day
Official ICD-10-CM descriptor (FY2026)
Certain current complications following ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarction (within the 28 day period)
I23 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
More specific codes under I23
- I23.0Hemopericardium as current complication following AMI
- I23.1Atrial septal defect as current complication following AMI
- I23.2Ventricular septal defect as current comp following AMI
- I23.3Rupture of card wall w/o hemoperic as current comp fol AMI
- I23.4Rupture of chord tendne as current comp following AMI
- I23.5Rupture of papillary muscle as current comp following AMI
- I23.6Thombos of atrium/auric append/ventr as current comp fol AMI
- I23.7Postinfarction angina
- I23.8Oth current complications following AMI
Where this code sits
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.