
AKI-02-C: Acute Kidney Injury in patients undergoing Open Cardiac Surgery
Exclusions:
● ASA 6 (including CPT:01990)
● Cases where a baseline creatinine is not available within 60 days preoperatively
● Cases where a creatinine lab is not available within 7 postoperative days.
● Patients with more than one case in a 7-day period. The first case will be excluded if a postop creatinine is
not documented for that first case. For example, a patient that has surgery twice in a 7-day period, the
first surgery is excluded if a creatinine is not drawn in between cases
● Patients with pre-existing renal (stage 4 or 5) failure based upon BSA-Indexed EGFR < 30 mL/min/1.73m^2
determined by Preop EGFR (most recent) or MPOG Complication - Acute Kidney Injury value code -2.
● Open cardiac procedures performed in conjunction with procedures affecting the kidney, bladder, or
ureter (specific anesthesia and surgical CPT codes).