I23.6

Thrombosis of atrium, auricular appendage, and ventricle as current complications 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

HCC87

Unstable Angina and Other Acute Ischemic Heart Disease

RxHCC V08

RXHCC188

Coronary Artery Disease

Coding notes

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

This code · I23.6

Excludes 1

thrombosis of atrium, auricular appendage, and ventricle not specified as current complication following acute myocardial infarction (I51.3)

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 I23.6

FY 2026 ›

I.C.9Chapter-specific guidanceChapter 9: Diseases of the Circulatory System (I00-I99)

Subsections

Find I23.6 in the alphabetic index

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