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Table 2 AKIN criteria

From: The Japanese Clinical Practice Guideline for acute kidney injury 2016

Definition 1. Increased in SCr of ≥ 0.3 mg/dL (48 h)
2. sCr changes ≥ 1.5 × baseline (48 h)
3. UO < 0.5 mL/kg/h × 6 h
  sCr criteria UO criteria
Stage 1 Increased in sCr of ≥ 0.3 mg/dL or increase to 1.5–2.0 × baseline UO < 0.5 mL/kg/h × 6 h
Stage 2 Increase in sCr to 2.0–3.0 × baseline UO < 0.5 mL/kg/h × 12 h
Stage 3 Increase in sCr > 3.0 × baseline or sCr ≥ 4.0 mg/dL with an acute rise of at least 0.5 mg/dL or Initiation of RRT UO < 0.3 mL/kg/h × 24  h or anuria × 12 h
  1. sCr serum creatinine, UO urine output, RRT renal replacement therapy