Calc Function

    • Calcs that help predict probability of a diseaseDiagnosis
    • Subcategory of 'Diagnosis' designed to be very sensitiveRule Out
    • Disease is diagnosed: prognosticate to guide treatmentPrognosis
    • Numerical inputs and outputsFormula
    • Med treatment and moreTreatment
    • Suggested protocolsAlgorithm





    Chief Complaint


    Organ System


    Patent Pending

    MELD Score (Original, Pre-2016, Model for End-Stage Liver Disease)

    Calculates the MELD score to quantify end-stage liver disease for transplant planning.


    We’ve updated and combined our MELD scores into one page. Clinicians can choose the formula that best fits their needs: the original MELD score; the current MELD-Na used by UNOS/OPTN, and the 2022 MELD 3.0 score. Click here to view.


    Note: This is the pre-2016 MELD which does not include serum sodium level, as non-US transplant societies are still using the original MELD formula. The newer MELD Score is listed as “MELD Score”.

    When to Use
    Why Use

    Determines prognosis and prioritizes receipt of liver transplantation.

    • The MELD was updated in January 2016 and now includes serum sodium level.
    • It is preferable to using the calculator to calculate the MELD as there are several caveats relating to minimum and maximum values assigned in the MELD.
    • Values should be no more than 48 hours old.

    MELD is the standard used by the Organ Procurement and Transplantation Network (OPTN) and determines who is the highest priority to receive liver transplants in the US.



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    Next Steps
    Creator Insights
    Dr. Patrick S. Kamath

    About the Creator

    Patrick S. Kamath, MD, is a professor of gastroenterology and hepatology at the Mayo Clinic in Rochester, Minnesota. His research interests include acute-on-chronic liver failure, nonalcoholic fatty liver disease, polycystic liver disease, Budd-Chiari syndrome and hereditary hemorrhagic telangiectasia. Dr. Kamath is internationally renowned as a leading researcher in hepatology and has also won numerous awards as an educator.

    To view Dr. Patrick S. Kamath's publications, visit PubMed

    Are you Dr. Patrick S. Kamath? Send us a message to review your photo and bio, and find out how to submit Creator Insights!
    MDCalc loves calculator creators – researchers who, through intelligent and often complex methods, discover tools that describe scientific facts that can then be applied in practice. These are real scientific discoveries about the nature of the human body, which can be invaluable to physicians taking care of patients.
    About the Creator
    Dr. Patrick S. Kamath
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