Stage | Serum creatinine (SCr) | Urine output |
1 | Increase to 1.5 to 1.9 times baseline, OR increase of ≥0.3 mg/dL (≥26.5 mcmol/L) | <0.5 mL/kg per hour for 6 to 12 hours |
2 | Increase to 2 to 2.9 times baseline | <0.5 mL/kg per hour for ≥12 hours |
3 | Increase greater than 3 times baseline, OR SCr ≥4 mg/dL (≥353.6 mcmol/L), OR Initiation of renal replacement therapy, OR eGFR <35 mL/min per 1.73 m2 (<18 years) | <0.3 mL/kg per hour for ≥24 hours, OR Anuria for ≥12 hours |