I23.4

Rupture of chordae tendineae as current complication following acute myocardial infarction

Risk-adjusting (HCC)Billable code

HCC risk adjustment mapping

CMS-HCC V28

HCC229

Unstable Angina and Other Acute Ischemic Heart Disease

CMS-HCC ESRD V24

HCC86

Acute Myocardial Infarction

RxHCC V08

RXHCC188

Coronary Artery Disease

Coding notes

Excludes 1 never coded together · Excludes 2 may co-exist

This code · I23.4
Excludes 1

rupture of chordae tendineae not specified as current complication following acute myocardial infarction (I51.1)

Inherited from I20-I25Ischemic heart diseases
Code also

the presence of hypertension (I10-I1A)

Inherited from chapter 9Diseases of the circulatory system
Excludes 2

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 ›