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Gastroenterology · Hepatology · Internal Medicine

MELD-Na calculator

Enter the published formula inputs below to calculate and interpret this score.

Clinical inputs

Values <125 or >137 mmol/L are bounded in the OPTN formula

Result

Complete all required inputs to calculate the score.

Formula inputs

  • Serum creatinine (mg/dL)Accepted range: 0.1 to 15
  • Total bilirubin (mg/dL)Accepted range: 0.1 to 50
  • INRAccepted range: 0.5 to 10
  • Serum sodium (mmol/L)Accepted range: 100 to 160

Primary source

Kim WR et al. Hyponatremia and mortality among patients on the liver-transplant waiting list. N Engl J Med. OPTN MELD-Na formula (2008)

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