V28 HCC 228Community non-dual aged RAF 0.252

Acute Myocardial Infarction

Under the CMS-HCC V28 risk adjustment model (PY2026 Medicare Advantage), HCC 228 carries a community non-dual aged RAF of 0.252, and 18 payable ICD-10-CM diagnosis codes map to it.

RAF factors

The community factor varies by Medicaid and originally-disabled status; the institutional factor applies to long-term-institutional members. These are the CMS-HCC V28 PY2026 relative factors.

Community NA: 0.252Community PBA: 0.324Community FBA: 0.493Community ND: 0.254Community PBD: 0.407Community FBD: 0.517Institutional: 0.31

V28 hierarchy

Supersedes: HCC 229 (this category is counted instead of these when they co-occur).

ICD-10-CM codes that map to HCC 228 (18)

Payable diagnosis codes that map to this category under CMS-HCC V28 PY2026. Open any code for its full description, HCC mapping, and coding guidance.

Frequently asked questions

What is CMS-HCC V28 category 228?

HCC 228 is "Acute Myocardial Infarction", a payment Hierarchical Condition Category in the CMS-HCC V28 risk adjustment model (100% phase-in for payment year 2026). 18 payable ICD-10-CM codes map to it.

What is the RAF weight for HCC 228?

The community non-dual aged relative factor for CMS-HCC V28 category 228 is 0.252. The exact factor varies by enrollment segment (community Medicaid and originally-disabled status, and institutional); the full segment table is published in the CMS V28 Rate Announcement.

How many ICD-10-CM codes map to HCC 228?

18 payable ICD-10-CM diagnosis codes map to CMS-HCC V28 category 228 (Acute Myocardial Infarction) for payment year 2026.

Source: CMS published ICD-10-CM mapping file plus CMS-HCC v28 PY2026 model software.