⚕️ For clinical reference only. Not a substitute for professional judgment.

MELD-Na Score Transplant

Model for End-Stage Liver Disease with sodium correction. Standard for liver transplant prioritisation (NHSBT/UNOS).

Enter values
Awaiting bilirubin, creatinine, and INR.

Laboratory Values

µmol/L
µmol/L
mmol/L (for MELD-Na)
Formula (MELD-Na)
MELD = 3.78×ln(bilirubin mg/dL) + 11.2×ln(INR) + 9.57×ln(creatinine mg/dL) + 6.43

MELD-Na = MELD + 1.32×(137−Na) − 0.033×MELD×(137−Na)
(applied when Na 125–136 mmol/L)

Range: 6–40 (capped)
References
  • Kim WR et al. Hepatology. 2008. (MELD-Na)
  • Kamath PS et al. Hepatology. 2001. (original MELD)
  • NHSBT Liver Advisory Group — UK transplant allocation 2023.