MELD Score Calculator
Assess the severity of end-stage liver disease and estimate 3-month mortality risk.
Patient Data
Enter laboratory values
Result
MELD Score (Original)
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Enter values to calculate
3-Month Mortality Estimate
Mortality Risk Table
Score ≤ 91.9%
Score 10-196.0%
Score 20-2919.6%
Score 30-3952.6%
Score ≥ 4071.3%
Clinical Notes
- Target Population: Patients with end-stage liver disease (ESLD) / cirrhosis.
- Used to prioritize patients for liver transplantation.
- Scores range from 6 to 40.
- Values < 1.0 for INR, Bilirubin, or Creatinine are rounded up to 1.0 to prevent negative logarithms.
- The maximum Creatinine is capped at 4.0 mg/dL.
- Source: Kamath PS et al. (2007)
About the MELD Score
The Model for End-Stage Liver Disease (MELD) is a reliable measure of mortality risk in patients with end-stage liver disease. It is used as a disease severity index to help prioritize allocation of organs for liver transplantation.
Formula
MELD = 3.78×ln(bilirubin) + 11.2×ln(INR) + 9.57×ln(creatinine) + 6.43
Note:
- Bilirubin and Creatinine are in mg/dL.
- If any value is less than 1, it is set to 1.0.
- If the patient has been on dialysis twice in the last week, or if Creatinine > 4.0, Creatinine is set to 4.0.
- The score is rounded to the nearest integer.
- The maximum MELD score is capped at 40.
Interpretation & Mortality
The MELD score correlates with 3-month mortality risk:
- Score ≤ 9: 1.9% mortality
- Score 10-19: 6.0% mortality
- Score 20-29: 19.6% mortality
- Score 30-39: 52.6% mortality
- Score ≥ 40: 71.3% mortality
Disclaimer: This tool is intended for educational and reference purposes only. It should not be used as a substitute for professional medical judgment or advice.