## [Understanding HCC v28: What Changed, What It Means, and How to Prepare](https://keebler.health/understanding-hcc-v28/)

by [atomicderek](https://keebler.health/author/atomicderek/ "Posts by atomicderek") | Oct 27, 2025 | [HCC v28](https://keebler.health/category/hcc-v28/)

The Centers for Medicare & Medicaid Services (CMS) introduced the CMS-HCC Version 28 (v28) risk adjustment model in 2024, replacing Version 24, which had been in place for nearly a decade. This update marks one of the most significant shifts in the history...