Serum Creatinine is more than 1.5 x normal but less than 3 times normal 

K+ is <6.0

CO2 >18

Cause of AKI has most likely hypothesis and correctable within 24 hours

• Ex: Bladder outlet obstruction - foley catheter placed

Vital signs normal and stable

Urinalysis done in main zone

Urinary Obstruction / Hydronephrosis ruled out (or treated such as with catheter) in main zone.

Transplanted or Solitary Kidney

Underlying Auto-Immune Condition such as SLE, Scleroderma

Concomitant Acute Heart Failure exacerbation or Decompensated Liver Failure (chronic controlled CHF or liver dysfunction ok)

Sepsis (known or suspected)

Concern for Nephrotic / Nephritic Syndrome (Hypertension with Large Proteinuria, RBCs or RBC casts in urine)

Vertigo and associated symptoms improved with medications.

 Patient able to ambulate and care for self safely in home environment

 Able to take PO medications

 Neuroimaging without significant abnormalities, if obtained.

 Stable vital signs

Worsening or Unimproved sCr after 18 hours of treatment in CDU

Development of Oliguria / Anuria. (<500 ml of urine in 24 hours)

Unstable vital signs

Unclear cause of AKI after treatment in CDU

Significant Electrolyte abnormalities