Staging Criteria for Acute Kidney Injury (KDIGO 2012)*
Stage | AKI measures (any of the below for each stage) | ||
|---|---|---|---|
Rise in serum creatinine | Decline in the amount of urine output | Renal replacement therapy | |
1 | ≥ 0.3 mg/dL (26.52 micromol/L) or 1.5–1.9 times baseline | < 0.5 mL/kg/hour for 6–12 hours | Not indicated |
2 | 2–2.9 times baseline | < 0.5 mL/kg/hour for ≥ 12 hours | Not indicated |
3 | ≥ 4.0 mg/dL (353.60 micromol/L) or ≥ 3 times baseline | < 0.3 mL/kg/hour for ≥ 24 hours or anuria for ≥ 12 hours | Indicated |
* Data from KDIGO (Kidney Disease: Improving Global Outcomes) Acute Kidney Injury Work Group: KDIGO Clinical Practice Guideline for Acute Kidney Injury. Kidney Int Suppl. 2:1-138, 2012. | |||
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