I23.4
Rupture of chordae tendineae as current complication following acute myocardial infarction
HCC risk adjustment mapping
CMS-HCC V28
Unstable Angina and Other Acute Ischemic Heart Disease
CMS-HCC ESRD V24
Acute Myocardial Infarction
RxHCC V08
Coronary Artery Disease
Coding notes
Excludes 1 never coded together · Excludes 2 may co-exist
rupture of chordae tendineae not specified as current complication following acute myocardial infarction (I51.1)
the presence of hypertension (I10-I1A)
certain conditions originating in the perinatal period (P04-P96) certain infectious and parasitic diseases (A00-B99) complications of pregnancy, childbirth and the puerperium (O00-O9A) congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99) endocrine, nutritional and metabolic diseases (E00-E88) injury, poisoning and certain other consequences of external causes (S00-T88) neoplasms (C00-D49) symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94) systemic connective tissue disorders (M30-M36) transient cerebral ischemic attacks and related syndromes (G45.-)
Official Guidelines for I23.4
FY 2026 ›Find I23.4 in the alphabetic index
4 index paths lead to this code
- Laceration › chordae tendinae NEC › following acute myocardial infarction
- Rupture, ruptured › chordae tendineae NEC › following acute myocardial infarction
- Complication › following › acute myocardial infarction NEC › chordae tendinae rupture
- Complication › following › acute myocardial infarction NEC › rupture › chordae tendineae