IRA Stadium | Creatinine | Diuresis |
1 | Increase > 26 μmol/L (3 mg/L) in 48 hours or >50% in 7 days | <0.5 ml/kg/h for 6 to 12 hrs. |
2 | Creatinine × 2 | <0.5 ml/kg/h for ≥12 hrs. |
3 | Creatinine × 3 or creatinine > 354 μmol/L (40 mg/L) in the absence of prior value or need for dialysis | <0.3 ml/kg/h for ≥24 hrs. or anuria ≥ 12 h |