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AKI Guidelines for Hospital Clinicians

These guidelines have been produced to assist clinicians with the investigation and treatment of patients with Acute Kidney Injury ( AKI ). This is a medical emergency.

Use the links on the right-hand side to browse the information.

After classification follow guidelines for investigation and management

AKI Classification

Grading AKI provides useful prognostic information at time of diagnosis.

Grade Serum creatinine criteria Urine output criteria
1

increase ≥ 26 μmol/L reference creatinine within 48hrs

or increase ≥1.5 to 1.9 times reference creatinine

<0.5 mL/kg/hr for > 6 hrs
2 increase ≥ 2 to 2.9 times reference creatinine <0.5 mL/kg/ hr for  >12hrs
3

increase ≥3 times reference creatinine

or increase ≥354 μmol/L

or commenced on renal replacement therapy irrespective of stage

<0.3 mL/kg/ hr for > 24 hrs

or anuria for 12 hrs