<prompt> Acute kidney injury in rifle criteria is ?Urine output 05 mlkgh for 8 hoursUrine output 05 mlkgh for 12 hoursUrine output 03 mlkgh for 24 hoursAnuria for 12 hours  <response>: Ref:Davidson 22 nd edition pg no. 481 KDIGOkidney disease :improving global outcomes RIFLERisk,injury,failure, Loss, end-stage Stage 1:urine0.5mlkghr for6-12hrs Risk Stage 2:urine 0.5mlkghr for 12 hrs Injury Stage 3:urine 0.3mlkghr for24 hrs or absolute anuria for 12hrs failure Persistent AKI or complete loss of kidney function for4wks Loss Need for renal replacement therapy for3mts End stage renal disease ref Harrison20th edition pg 277 