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228 HCC

Acute Myocardial Infarction

CMS Model V28 18 Associated ICD-10 Diagnoses

Relative Risk Score Factors (Coefficients for HCC 228)

Enrollment Model Type Coeff Tag Year Weight Score
CFA HCC228 2026 + 0.493
CFD HCC228 2026 + 0.517
CNA HCC228 2026 + 0.252
CND HCC228 2026 + 0.254
CPA HCC228 2026 + 0.324
CPD HCC228 2026 + 0.407
INS HCC228 2026 + 0.310

Mapped ICD-10-CM Diagnoses (18)

The following diagnoses map directly to HCC 228 under the V28 risk adjustment model:

ICD-10 Code Clinical Diagnosis Description Guideline
I21.01 ST elevation (STEMI) myocardial infarction involving left main coronary artery Notes ↗
I21.02 ST elevation (STEMI) myocardial infarction involving left anterior descending coronary artery Notes ↗
I21.09 ST elevation (STEMI) myocardial infarction involving other coronary artery of anterior wall Notes ↗
I21.11 ST elevation (STEMI) myocardial infarction involving right coronary artery Notes ↗
I21.19 ST elevation (STEMI) myocardial infarction involving other coronary artery of inferior wall Notes ↗
I21.21 ST elevation (STEMI) myocardial infarction involving left circumflex coronary artery Notes ↗
I21.29 ST elevation (STEMI) myocardial infarction involving other sites Notes ↗
I21.3 ST elevation (STEMI) myocardial infarction of unspecified site Notes ↗
I21.4 Non-ST elevation (NSTEMI) myocardial infarction Notes ↗
I21.9 Acute myocardial infarction, unspecified Notes ↗
I21.A1 Myocardial infarction type 2 Notes ↗
I21.A9 Other myocardial infarction type Notes ↗
I21.B Myocardial infarction with coronary microvascular dysfunction Notes ↗
I22.0 Subsequent ST elevation (STEMI) myocardial infarction of anterior wall Notes ↗
I22.1 Subsequent ST elevation (STEMI) myocardial infarction of inferior wall Notes ↗
I22.2 Subsequent non-ST elevation (NSTEMI) myocardial infarction Notes ↗
I22.8 Subsequent ST elevation (STEMI) myocardial infarction of other sites Notes ↗
I22.9 Subsequent ST elevation (STEMI) myocardial infarction of unspecified site Notes ↗
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