Test Code CREATININE CLEARANCE 24 HOUR URINE CREATININE CLEARANCE 24 HOUR URINE
Department
Chemistry
Specimen Type
Urine and Plasma or Serum
Method
Modified Jaffe Procedure
Container
Lithium heparin (green top) or No additive (red-top) and 24 hour urine container. Any preservative can be used, see 24 Hour Urine Collection Section
Special Requirements
Refer to 24 Hours Urine Collection / Creatinine Clearance. Patient’s height, weight and urine total volume required for calculation. Plasma or serum must be collected within 24 hours of urine collection.
Standard Volume
10ml
Minimum Volume
5ml
Pediatric Volume
N/A
Ship Temperature
Room Temperature
Stability Refrigerated
48 hours, urine; 7 days serum, or plasma
Stability Room Temp
urine-2 days; serum- 8 hours
Stability Frozen
N/A
CPT Code
82575
Days Test Set Up
Monday through Sunday
Group Components
Hour collected, weight, total volume, serum creatinine, urine creatinine, height, body surface area, creatinine clearance