Obesity Coding in Risk Adjustment (HCC): The BMI Rule That Trips Up Most Coders in 2026
A BMI of 38 with type 2 diabetes — does that support E66.01? The answer separates a clean chart from a False Claims Act exposure. Here’s the NIH/NHLBI rule every risk adjustment coder needs to memorize before PY 2026 — when CMS-HCC V28 hits 100% weight.