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229 HCC

Unstable Angina and Other Acute Ischemic Heart Disease

CMS Model V28 25 Associated ICD-10 Diagnoses

Relative Risk Score Factors (Coefficients for HCC 229)

Enrollment Model Type Coeff Tag Year Weight Score
CFA HCC229 2026 + 0.325
CFD HCC229 2026 + 0.458
CNA HCC229 2026 + 0.240
CND HCC229 2026 + 0.254
CPA HCC229 2026 + 0.278
CPD HCC229 2026 + 0.315
INS HCC229 2026 + 0.310

Mapped ICD-10-CM Diagnoses (25)

The following diagnoses map directly to HCC 229 under the V28 risk adjustment model:

ICD-10 Code Clinical Diagnosis Description Guideline
I20.0 Unstable angina Notes ↗
I23.0 Hemopericardium as current complication following acute myocardial infarction Notes ↗
I23.1 Atrial septal defect as current complication following acute myocardial infarction Notes ↗
I23.2 Ventricular septal defect as current complication following acute myocardial infarction Notes ↗
I23.3 Rupture of cardiac wall without hemopericardium as current complication following acute myocardial infarction Notes ↗
I23.4 Rupture of chordae tendineae as current complication following acute myocardial infarction Notes ↗
I23.5 Rupture of papillary muscle as current complication following acute myocardial infarction Notes ↗
I23.6 Thrombosis of atrium, auricular appendage, and ventricle as current complications following acute myocardial infarction Notes ↗
I23.7 Postinfarction angina Notes ↗
I23.8 Other current complications following acute myocardial infarction Notes ↗
I24.0 Acute coronary thrombosis not resulting in myocardial infarction Notes ↗
I24.1 Dressler's syndrome Notes ↗
I24.81 Acute coronary microvascular dysfunction Notes ↗
I24.89 Other forms of acute ischemic heart disease Notes ↗
I24.9 Acute ischemic heart disease, unspecified Notes ↗
I25.110 Atherosclerotic heart disease of native coronary artery with unstable angina pectoris Notes ↗
I25.700 Atherosclerosis of coronary artery bypass graft(s), unspecified, with unstable angina pectoris Notes ↗
I25.710 Atherosclerosis of autologous vein coronary artery bypass graft(s) with unstable angina pectoris Notes ↗
I25.720 Atherosclerosis of autologous artery coronary artery bypass graft(s) with unstable angina pectoris Notes ↗
I25.730 Atherosclerosis of nonautologous biological coronary artery bypass graft(s) with unstable angina pectoris Notes ↗
I25.750 Atherosclerosis of native coronary artery of transplanted heart with unstable angina Notes ↗
I25.760 Atherosclerosis of bypass graft of coronary artery of transplanted heart with unstable angina Notes ↗
I25.790 Atherosclerosis of other coronary artery bypass graft(s) with unstable angina pectoris Notes ↗
I51.1 Rupture of chordae tendineae, not elsewhere classified Notes ↗
I51.2 Rupture of papillary muscle, not elsewhere classified Notes ↗
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