Stage | Serum creatinine | Urine output |
---|---|---|
1 | 1.5–1.9 times baseline or ≥ 0.3 mg/dl (26.5 μmol/l) increase | < 0.5 ml/kg/h for 6–12 h |
2 | 2.0–2.9 times baseline | < 0.5 ml/kg/h for ≥12 h |
3 | 3.0 times baseline or Increase in serum creatinine to ≥ 4 mg/dl (353.6 μmol/l) or initiation of renal replacement therapy | <  0.3 ml/kg/hr. for ≥24 h or Anuria for ≥ 12 h |