Nephrology · ICU and Critical Care

KDIGO 2012 Acute Kidney Injury Stage calculator

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

Clinical inputs

Creatinine criterion

The ≥0.3 mg/dL creatinine rise must occur within 48 hours. A rise to ≥1.5 times baseline must have occurred or be presumed to have occurred within the prior 7 days.

Urine criterion

Use consecutive urine-output duration: <0.5 mL/kg/h for 6–12 hours (stage 1), <0.5 for ≥12 hours (stage 2), or <0.3 for ≥24 hours or anuria for ≥12 hours (stage 3).

Result

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Clinical inputs

Creatinine criterion
Urine criterion

Primary source

Kidney Disease: Improving Global Outcomes (KDIGO) Acute Kidney Injury Work Group. KDIGO Clinical Practice Guideline for AKI. Kidney Int Suppl. DOI: 10.1038/kisup.2012.1 (2012)

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