Casandra
Casandra Test Code QD97420Version 1 (DRAFT)
Performing Lab
Creatinine Clearance without Glomerular Filtration Rate, Estimated (eGFR)
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
Automated Analyzer (Clinical Chemistry)
Biomarkers
Creatinine (serum and urine)
AnalyteCreatinine
Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
Result Turnaround Time
0 days
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 urine container
Collection Instructions
Record total volume and collection time on specimen container and requisition.
Causes for Rejection
Grossly icteric
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 7 days |
| Frozen | 28 days |
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