Matching organs. Saving lives.

Allocation calculators

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.

MELD calculator

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.

PELD calculator

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.

How the CPRA calculator works

CPRA calculator

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.

EPTS calculator

KDPI calculator

The Kidney Donor Profile Index (KDPI) calculator summarizes the risk of graft failure after kidney transplant.

KDPI calculator

LAS calculator

The Lung Allocation Score (LAS) is a numerical calculation used for allocating lungs to candidates age 12 and older.

Lung Allocation Score calculator

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