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MELD-Na (Sodium-Adjusted MELD) Liver Transplant Score Calculator

MELD-Na adjusts MELD for hyponatraemia severity.

Calculates MELD = 3.78·ln(bilirubin) + 11.2·ln(INR) + 9.57·ln(creatinine) + 6.43, then MELD-Na = MELD − Na − (0.025 × MELD × (140−Na)) + 140. Range 6–40.

Nadia Almasri By Nadia Almasri
Published Last reviewed 1 min read

Inputs

mg/dL
mg/dL
mEq/L

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

MELD-Na = MELD − Na − (0.025·MELD·(140−Na)) + 140

In depth

Calculates MELD = 3.78·ln(bilirubin) + 11.2·ln(INR) + 9.57·ln(creatinine) + 6.43, then MELD-Na = MELD − Na − (0.025 × MELD × (140−Na)) + 140. Range 6–40.