V28 HCC 263Community non-dual aged RAF 1.118

Atherosclerosis of Arteries of the Extremities with Ulceration or Gangrene

Under the CMS-HCC V28 risk adjustment model (PY2026 Medicare Advantage), HCC 263 carries a community non-dual aged RAF of 1.118, and 127 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: 1.118Community PBA: 1.007Community FBA: 1.432Community ND: 1.066Community PBD: 1.056Community FBD: 1.276Institutional: 0.696

V28 hierarchy

Supersedes: HCC 264, HCC 383, HCC 409 (this category is counted instead of these when they co-occur).

ICD-10-CM codes that map to HCC 263 (127)

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 263?

HCC 263 is "Atherosclerosis of Arteries of the Extremities with Ulceration or Gangrene", a payment Hierarchical Condition Category in the CMS-HCC V28 risk adjustment model (100% phase-in for payment year 2026). 127 payable ICD-10-CM codes map to it.

What is the RAF weight for HCC 263?

The community non-dual aged relative factor for CMS-HCC V28 category 263 is 1.118. 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 263?

127 payable ICD-10-CM diagnosis codes map to CMS-HCC V28 category 263 (Atherosclerosis of Arteries of the Extremities with Ulceration or Gangrene) for payment year 2026.

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