MELD Score Calculator

MELD measures how severe chronic liver disease is from a handful of laboratory values. Enter bilirubin, INR, creatinine, sodium, albumin and sex and this returns the MELD 3.0 score, the figure OPTN has used for liver allocation since July 2023, with every value floored, capped or replaced for dialysis the way the policy requires. A second action returns MELD-Na, the score that preceded it and that a great deal of published work still quotes. The result is a score and nothing more: waiting list priority is decided by the transplant centre and the allocation system, which weigh exception points, blood type, size and the whole clinical picture.

Calculator Type

Total Bilirubin (mg/dL) *

INR *

Serum Creatinine (mg/dL) *

Serum Sodium (mEq/L) *

Held between 125 and 137 before the formula runs, as the policy requires.

Serum Albumin (g/dL) *

Held between 1.5 and 3.5 before the formula runs.

Sex

MELD 3.0 carries a 1.33 point term for female candidates, added to correct a measured disadvantage in the earlier score.

Two or More Dialysis Sessions in the Past Week, or 24 Hours of CVVHD

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