Reference library for HCC coders
Cheat sheets, model-version explainers, and audit checklists in one place. Every page lists when it was last refreshed against the current CMS release.
Cheat sheets
Print-ready references you can pin next to your monitor.
HCC Cheat Sheet
The 30-second reference for CMS-HCC V28 categories, RAF weights, and how diagnoses roll up to payment HCCs.
Updated Apr 2026 · 4 min read
RADV MEAT + SoE Checklist
Audit-ready checklist for Monitoring, Evaluation, Assessment, Treatment, and Status of Evidence on every chart.
Updated Apr 2026 · 5 min read
Reference guides
Deeper reads on coding models, mappings, and CMS updates.
CMS-HCC V28 — what changed and why
The V24-to-V28 transition explained: 86 to 115 payment HCCs, dropped low-acuity codes, updated RAF weights, and the 2024-2026 phase-in.
Updated Apr 2026 · 8 min read
MEAT Criteria explained
Monitor, Evaluate, Assess, Treat — what each pillar requires in the chart, and how RADV auditors weigh them.
Updated Apr 2026 · 6 min read
ICD-10-CM to HCC mapping
Approximately 9,500 of the 72,000+ ICD-10-CM codes carry HCC value. Browse the full mapping with model version and RAF weight.
Updated Apr 2026 · 7 min read
Risk-adjusting codes reference
Every ICD-10-CM code that maps to a payment HCC, grouped by category with RAF coefficient and model version.
Updated Apr 2026 · 5 min read
Tools
Reference workspaces that double as fast lookup surfaces.
Compliance
Audit and risk adjustment frameworks coders are held to.
The Encoder is one search away
Look up any ICD-10-CM code, see its HCC mapping, RAF coefficient, and MEAT evidence checks side by side.
Open the Encoder