T31.50
BillableBurns involving 50-59% of body surface with 0% to 9% third degree burns
Last updated: FY2026 ICD-10-CM (Oct 1, 2025 – Sep 30, 2026) | CMS-HCC V28 (100% phase-in, PY2026)
Is T31.50 an HCC code?
No. T31.50 is a billable ICD-10-CM code but does not map to any HCC category in V28, V24, ESRD, or RxHCC.
This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
T31.50 is the ICD-10-CM diagnosis code for burns involving 50-59% of body surface with 0% to 9% third degree burns. Catastrophic burns covering 50-59% of the body surface with minimal deep tissue damage (0-9% third degree burns). This is a life-threatening injury with extremely high mortality risk requiring immediate intensive burn center care. T31.50 sits in the ICD-10-CM chapter for injury, poisoning and certain other consequences of external causes (s00-t88), within the section covering burns and corrosions of multiple and unspecified body regions (t30-t32).
T31.50 is a billable ICD-10-CM code but does not map to a payment HCC under the CMS-HCC V28, V24, ESRD, or RxHCC risk adjustment models. It can be reported on Medicare Advantage encounter data submissions but it does not contribute to a beneficiary's RAF score and therefore does not affect risk-adjusted payments to the plan.
Burns exceeding 50% body surface area are considered catastrophic and have significant mortality implications.
HCC Buddy maintains structured V28 and V24 mapping, RAF weights, and MEAT documentation criteria for T31.50 sourced directly from the CMS-HCC risk adjustment model files and the CMS ICD-10-CM code set.
Coding Tips
- •Burns exceeding 50% body surface area are considered catastrophic and have significant mortality implications
- •Ensure comprehensive documentation of all resuscitation efforts, organ function monitoring, and complications