Stage | Measures acute renal failure (any of the following for each stage) | ||
Increase in plasma creatinine | Decrease in diuresis | Renal replacement therapy | |
1 | ≥0.3 mg/dL (26.52 micromoles/L) or 1.5 - 1.9 times baseline | 0.5 mL/kg/h for 6 - 12 h | Not indicated |
2 | 2 - 2.9 times baseline | <0.5 mL/kg/hr for ≥12 h | Not indicated |
3 | ≥4.0 mg/dL (353.60 micromoles/L) or ≥3 times baseline | 0.3 mL/kg/hr for ≥24 hours or anuria for ≥12 hrs | Indicated |