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Calculate your MELD and MELD-Na score online easily with our free MELD Score Calculator. Fast, accurate, and trusted for liver disease assessment.
The MELD Score Calculator is a crucial tool used by doctors and patients to evaluate the severity of chronic liver disease. MELD stands for Model for End-Stage Liver Disease. It helps determine how urgently someone needs a liver transplant. Developed initially to predict mortality in patients undergoing TIPS (Transjugular Intrahepatic Portosystemic Shunt), it is now widely used to prioritize patients on liver transplant waiting lists.
We’ve developed this easy-to-use online MELD calculator to help users calculate their MELD or MELD-Na score accurately in seconds using key lab values.
The MELD score uses specific blood test results to assess liver function. It includes:
The score helps doctors estimate a patient's 90-day survival rate and decide when a liver transplant might be needed.
The MELD score is calculated using the following formula:
MELD Score = 3.78 × ln[Serum Bilirubin (mg/dL)] + 11.2 × ln[INR] + 9.57 × ln[Serum Creatinine (mg/dL)] + 6.43
If the patient has been on dialysis at least twice in the past 7 days, the serum creatinine value is automatically set to 4.0 mg/dL.
All values less than 1 are rounded up to 1 to avoid negative scores.
The MELD-Na (MELD with sodium) score is a newer, more accurate version that includes serum sodium:
MELD-Na = MELD + 1.32 × (137 - Na) - [0.033 × MELD × (137 - Na)]
| MELD Score | Mortality Risk (3 months) | Interpretation |
|---|---|---|
| <9 | <1.9% | Mild liver disease |
| 10–19 | 6.0% – 19.6% | Moderate liver disease |
| 20–29 | 19.6% – 76.3% | Severe liver disease |
| 30–39 | 52.6% – 83.4% | Very severe, urgent attention |
| ≥40 | 71.3% – 100% | Extremely critical, immediate risk |
Our calculator uses the latest MELD 3.0 formula to give accurate, up-to-date results.
A normal MELD score is usually below 10. People with scores under 10 typically have mild liver dysfunction and low short-term risk. However, MELD scores are dynamic and can change over time with worsening or improving liver function.
In the United States, a MELD score of 15 or higher usually makes a patient eligible for placement on the liver transplant waiting list. In some cases, patients with scores under 15 may still qualify depending on specific health conditions.
A MELD score of 15 indicates moderate liver disease, with an estimated 90-day mortality risk of around 14%–18%. While not as urgent as higher scores, it still requires close monitoring and lifestyle changes to manage disease progression.
The MELD score calculator is an essential tool for both medical professionals and liver disease patients. Whether you're tracking liver health or checking transplant eligibility, our calculator offers instant, reliable results. With the added MELD-Na functionality, you get a better understanding of your condition and urgency for treatment.
Using this tool regularly can help you and your doctor make informed decisions and improve your overall prognosis.
MELD stands for Model for End-Stage Liver Disease.
Yes, with our online MELD calculator, you can easily calculate your score by entering your lab results.
Primarily yes, but it’s also used for prognosis and treatment decisions in advanced liver disease.
A MELD score of 30 or higher is considered life-threatening and may warrant urgent transplantation.
No. It only uses lab values: bilirubin, creatinine, INR, and sodium.