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Liver & Intestine

Implementation toolkit

The OPTN has reverted back to the pre-May 14th, 2019, liver allocation system based on donation service areas and regions, and Median MELD at Transplant is now based on hospital DSA. Programming has been completed. For further information, please contact


Webinar recordings

Policy changes


Allocation calculators

The Model for End-Stage Liver Disease (MELD) and Pediatric End-Stage Liver Disease (PELD) calculators are numerical scales used for liver allocation.

Current policy & guidance