The Nurse Is Caring for a Client Who Was Admitted

The nurse is caring for a client who was admitted 10 days previously with acute kidney injury (AKI) caused by dehydration. Which of the following findings is most important for the nurse to report to the health care provider?

A) The blood urea nitrogen (BUN) level is 23.1 mmol/L.
B) The creatinine level is 186 mcmol/L.
C) Urine output over an 8-hour period is 2 500 mL.
D) The glomerular filtration rate is <30 mL/minute/1.73m2.