Casandra
Casandra Test Code QD83632Version 1 (DRAFT)
Performing Lab
Creatinine Clearance
Clinical Use
Order TestUse
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.
Special Instructions
Not provided.
Limitations
Not provided.
Test Details
Methodology
Other
Biomarkers
4 targets
Creatinine (serum)Creatinine (urine)Creatinine Clearance (calculation)eGFR
Result Turnaround Time
Not provided.
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Urine
Volume
10 mL aliquot from a well-mixed, 24-hour urine collection
Minimum Volume
0.5 mL urine
Container
Plastic screw-cap container
Collection Instructions
Record total volume and collection duration on specimen container and test requisition.
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 7 days |
| Refrigerated | 7 days |
| Frozen | 28 days |