The MELD/PELD Calculator provided on this Web site uses the specific formulas approved by the OPTN/UNOS Board of Directors and allocation of livers by the OPTN match system. The MELD/PELD calculator collects data elements used in both the MELD and PELD score calculations. Please note the following:
The MELD score calculation uses:
- Serum Creatinine (mg/dl)*
- Bilirubin (mg/dl)
- INR
*For patients who have had dialysis twice within the last week, or 24 hours of CVVHD, the creatinine value will be automatically set to 4 mg/dl.
The PELD score calculation uses:
- Albumin (g/dl)
- Bilirubin (mg/dl)
- INR
- Growth failure (based on gender, height and weight)
- Age at listing
Go to the MELD Calculator (for ages 12 and older) 
Go to the PELD Calculator (for ages less than 12) 