MELD and MELD-Na Calculator
End-stage liver disease severity scores.
About MELD and MELD-Na Calculator
End-stage liver disease severity scores. The MELD and MELD-Na Calculator on Picscaler gives you the answer instantly in your browser, with no sign-up.
Inputs: Total bilirubin (mg/dL), INR, Serum creatinine (mg/dL) and Sodium (mmol/L). Results shown: MELD and MELD-Na.
Formula: MELD = 10 x (0.957 ln Cr + 0.378 ln bilirubin + 1.120 ln INR + 0.643); MELD-Na = MELD + 1.32 x (137 - Na) - 0.033 x MELD x (137 - Na). Values below 1.0 are set to 1.0; creatinine is capped at 4.0 and sodium limited to 125 to 137. Newer MELD 3.0 also uses sex and albumin.
This tool is for education and information. It does not replace clinical judgement, so confirm results against your laboratory's reference ranges and local guidelines.
How to use MELD and MELD-Na Calculator
- Enter Total bilirubin (mg/dL), INR, Serum creatinine (mg/dL) and Sodium (mmol/L).
- Press Calculate.
- Read MELD and MELD-Na in the result table.
- Use the formula and notes under the result to check the working.
Frequently asked questions
Is MELD and MELD-Na Calculator free?
Yes. MELD and MELD-Na Calculator is completely free to use on Picscaler.
Do I need to create an account?
No. You can use it straight away without signing up.
Is my data safe?
Your input is processed in your browser on your own device and is not uploaded to Picscaler.
Can I use it for medical decisions?
No. It is an educational aid and does not replace professional medical judgement.
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