I23
Header — not billableCertain current complications following ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarction (within the 28 day period)
The ICD-10 code for certain current complications following st elevation (stemi) and non-st elevation (nstemi) myocardial infarction (within the 28 day period) is I23.
I23 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 9 more specific codes below.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Child codes under I23
- I23.0Hemopericardium as current complication following acute myocardial infarction
- I23.1Atrial septal defect as current complication following acute myocardial infarction
- I23.2Ventricular septal defect as current complication following acute myocardial infarction
- I23.3Rupture of cardiac wall without hemopericardium as current complication following acute myocardial infarction
- I23.4Rupture of chordae tendineae as current complication following acute myocardial infarction
- I23.5Rupture of papillary muscle as current complication following acute myocardial infarction
- I23.6Thrombosis of atrium, auricular appendage, and ventricle as current complications following acute myocardial infarction
- I23.7Postinfarction angina
- I23.8Other current complications following acute myocardial infarction
Related codes in this category
- I20Angina pectorisnon-billable header
- I21Acute myocardial infarctionnon-billable header
- I22Subsequent ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarctionnon-billable header
- I24Other acute ischemic heart diseasesnon-billable header
- I25Chronic ischemic heart diseasenon-billable header
- I23Certain current complications following ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarction (within the 28 day period)non-billable header