Allocation calculators
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MELD calculator
For ages 12 and older
The Model for End-Stage Liver Disease (MELD) calculator provides a ‘score’ (number) based on how urgently someone needs a liver transplant in the next three months.
PELD calculator
For ages 11 and under
The Pediatric End-Stage Liver Disease (PELD) scoring system is similar to MELD, but uses some different factors to recognize the specific needs of children.
CPRA calculator
The Calculated Panel Reactive Antibody (CPRA) calculator evaluates candidates for kidney, pancreas and kidney/pancreas transplants, based on the candidate’s unacceptable antigens.
New FAQ for patients: CPRA calculation change
EPTS Calculator
An Estimated Post Transplant Survival (EPTS) calculator scores all adult candidates on the kidney waiting list, as part of the new kidney allocation system.
KDPI calculator
The Kidney Donor Profile Index (KDPI) calculator summarizes the risk of graft failure after kidney transplant.
LAS calculator
The Lung Allocation Score (LAS) is a numerical calculation used for allocating lungs to candidates age 12 and older.