The nurse recognizes an adequate hourly urine output for a client with an indwelling urinary catheter as at least

An adequate urine output for an adult client with an indwelling urinary catheter is a minimum of 0.5 mL per kilogram of body weight per hour. This threshold is a well-established clinical benchmark used to assess renal perfusion and kidney function. For a typical 70 kg adult, this equates to approximately 35 mL per hour, or roughly 840 mL over 24 hours. A urine output below 0.5 mL/kg/h is defined as oliguria, which can signal inadequate renal perfusion, developing acute kidney injury, or hemodynamic compromise, and warrants prompt nursing assessment and potential provider notification. The values of 1 mL/kg/h, 1.5 mL/kg/h, and 2 mL/kg/h exceed the minimum threshold for adults; while these rates may be targeted in specific clinical situations such as certain surgical populations or rhabdomyolysis protocols, they are not the standard minimum benchmark for general adult clients. The 0.5 mL/kg/h standard is universally recognized across critical care and general nursing practice guidelines. Nurses monitoring indwelling catheters should document hourly outputs and compare them against this threshold to identify early signs of renal insufficiency or fluid imbalance.