Calcmedical

MELD-Na Score

GastroenterologyCritical Care

Medical context

Calculate MELD and sodium-adjusted MELD-Na for chronic liver disease severity.

GI and hepatology teams use this with endoscopy findings, labs, and transplant referral criteria.

This page explains the MELD-Na formula, how to interpret the output, known limitations, and peer-reviewed references so you can verify results against primary sources and local protocols.

It is grouped under Gastroenterology because liver disease and gi bleed risk tools.

How to use this calculator

  1. Enter the values requested by the MELD-Na calculator using the units shown beside each field.
  2. Review the calculated result and read the interpretation section before acting on the output.
  3. Check limitations and references if the result will change management, dosing, or disposition.
  4. Use the related calculators section when you need supporting values (for example electrolytes, weight, or complementary risk scores).

Calculator

Result

MELD-Na 15

Original MELD 15

Adult MELD / MELD-Na for liver transplant prioritization context.

Educational use only. Confirm results with clinical judgment, primary sources, and local protocols. Not a substitute for professional medical advice. Full disclaimer.

Formula

MELD from creatinine, bilirubin, and INR (dialysis sets creatinine to 4). MELD-Na adjusts for hyponatremia.

Interpretation

Higher scores correlate with short-term mortality and transplant waitlist priority frameworks.

Limitations

Exceptions and regional allocation policies apply. Not a complete substitute for specialist assessment.

Frequently asked questions

What labs are required?
Bilirubin, INR, creatinine, and sodium; dialysis status.
Is the MELD-Na result enough to make a treatment decision?
No. Calculators support medical decision-making but do not replace examination, shared decision-making, institutional protocols, or consultant input when stakes are high.
Does Calcmedical store the values I type in?
Inputs are processed in your browser for this session. We do not ask for patient names or medical record numbers. See our privacy policy for hosting and analytics details.

References

  • OPTN MELD / MELD-Na documentation
  • Kim WR et al. MELD-Na