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24 HR URINE CREATINE CLEARANCE PANEL (WRJ)
MessageCHEMISTRY
Test Code
24 HR UA CREAT CL
Alias/See Also
24 HR URINE CREAT CLEARANCE
Includes
24 HR URINE TOTAL VOLUME ,URINE CREATININE, SERUM CREATININE, CREATININE RATIO
Preferred Specimen
24 HR URINE AND SERUM CREATININE
Minimum Volume
20 ML
Instructions
**THIS TEST DONE ON 24HR URINES ONLY** OBTAIN 24HR URINE CONTAINER FROM THE LAB. THIS IS A DRY URINE JUG. DATE AND TIME OF COLLECTION AT THE START OF COLLECTION, AND AT THE END OF COLLECTION MUST BE RECORDED ON THE JUG. KEEP ON ICE DURING COLLECTION PERIOD. REMEMBER TO ORDER A BLOOD CREATININE AT THIS TIME!
Transport Container
**THIS TEST DONE ON 24HR URINES ONLY**
Transport Temperature
REFRIGERATED OR CONTAINER ON ICE
Specimen Stability
Urine
Room temperature: 2 days
Refrigerated (2-8°C): 6 days
Frozen (-20°C or colder): 6 months
Serum
Room temperature: 2 days
Refrigerated (2-8°C): days
Frozen (-20°C or colder): 3 months
Room temperature: 2 days
Refrigerated (2-8°C): 6 days
Frozen (-20°C or colder): 6 months
Serum
Room temperature: 2 days
Refrigerated (2-8°C): days
Frozen (-20°C or colder): 3 months
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
IMPROPER COLLECTION CONTAINER OR MISSING SERUM CREATININE
Methodology
Kinetic Jaffe
Setup Schedule
DAILY:M-F
Report Available
24-48 HRS
Reference Range
Gender Reference range Units
Male 85 - 125 mL/min
Female 75 - 115 mL/min
Male 85 - 125 mL/min
Female 75 - 115 mL/min
Clinical Significance
Creatinine Clearance is used to evaluate the glomerular filtration rate (GFR). Clearance is defined as that volume of plasma from which a measured amount of substance could be completely eliminated into the urine per unit of time. Daily creatinine production is fairly constant except when there is massive injury to muscle.
Performing Laboratory
WHITE RIVER JUNCTION VT VA-CHEMISTRY 802-295-9363 EXT: 5518, 5519
