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