Predicts 3-month mortality in cirrhosis. Used for liver-transplant prioritization. Anesthesia: ≥15 = significant periop risk · ≥20 = high-risk for non-transplant surgery. Final score is bounded 6–40 per UNOS allocation.
This is the pre-2023 MELD-Na. OPTN switched to MELD 3.0 (adds sex + albumin) on 2023-07-13 for transplant allocation; MELD-Na is retained here for board-prep parity.