Gastroenterology

Ranson Criteria (admission)

Early severity markers in acute pancreatitis.

Education and reference only. Not a substitute for clinical judgement, local policy or product labelling. Always verify before clinical use. Values are calculated in your browser and never stored.

When to use

Use the 5 admission criteria to flag early severity in acute pancreatitis (the full score adds criteria assessed at 48 hours).

Why use

It is a classic, widely-recognised early severity marker.

Critical actions

These are the admission (non-gallstone) criteria only. The full Ranson score requires re-assessment at 48 hours.

Evidence & references

Ranson JH et al. Prognostic signs and the role of operative management in acute pancreatitis. Surg Gynecol Obstet. 1974.

About the creator

Ranson JH et al.

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