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KDIGO AKI Staging

Urine output criteria (optional)

KDIGO Staging Criteria
StageSerum CreatinineUrine Output
11.5-1.9x baseline or ≥0.3 mg/dL increase<0.5 mL/kg/h for 6-12h
22.0-2.9x baseline<0.5 mL/kg/h for ≥12h
3≥3.0x baseline or ≥4.0 mg/dL or RRT<0.3 mL/kg/h for ≥24h or anuria ≥12h