Creatinine Clearance, 24 Hour Urine (24 Hour Urine Creatinine Clearance)

Specimen Urine aliquot from a 24 Hour Urine and Plasma
Container Type 1 Black Top Tube (Urine)

and 1 Green Top Tube (Plasma)

Stability 6 days for urine, 7 days for plasma
Turnaround Time 1 day
Methodology Modified Jaffe, Kinetic
Reference Range Male: 85-125 mL/min; Female: 75-115 mL/min
Transport Temp Refrigerate 2°-8° C
Instructions Record 24 Hour urine volume, start and stop date and time before specimens are sent to the laboratory.
Calculations Urine Creatinine/Creatinine
CPT Code 82575