Ranson’s Criteria (Non-gallstone)

Admission (5)
48 Hours (6)
Result
Criterion: Age > 55 years
Criterion: WBC > 16
Criterion: Glucose > 200 mg/dL (no diabetes adjustment)
Criterion: LDH > 350 IU/L
Criterion: AST > 250 IU/L
Criterion: Hct fall > 10%
Criterion: BUN increase > 5 mg/dL
Criterion: Calcium < 8.0 mg/dL
Criterion: PaO₂ < 60 mm Hg (room air)
Criterion: Base deficit > 4 mEq/L
Criterion: Estimated fluid sequestration > 6 L
Positive Criteria
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0–23–45–67–11
Admission
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48 Hours
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Classic (non-gallstone) criteria: Admission: Age > 55, WBC > 16, Glucose > 200 mg/dL, LDH > 350 IU/L, AST > 250 IU/L. At 48 h: Hct fall > 10%, BUN rise > 5 mg/dL, Calcium < 8.0 mg/dL, PaO₂ < 60 mm Hg, Base deficit > 4 mEq/L, Fluid sequestration > 6 L.
Estimated mortality (approx.): 0–2: <5%  |  3–4: ~15%  |  5–6: ~40%  |  ≥7: ~100%.
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