Stage | Serum creatinine | Urine output |
1 | 1.5 - 1.9 times baseline OR ≥ 0.3 mg/dl (≥26.5 mmol/l) increase | <0.5 ml/kg/h for 6 - 12 hours |
2 | 2.0 - 2.9 times baseline | <0.5 ml/kg/h for ≥12 hours |
3 | 3.0 times baseline OR Increase in serum creatinine to ≥353.6 mmol/l) OR Initiation of renal replacement therapy OR, In patients <18 years, decrease in eGFR to <35 ml/min per 1.73 m | <0.3 ml/kg/h for ≥24 hours OR Anuria for ≥12 hours |