Test Code QUCCLR Creatinine Clearance LAB383
Performing Laboratory
UnityPoint The Finley Hospital
Test Method
Enzymatic; Roche cobas Pro
Performance
Testing is performed Monday through Sunday.
Routine orders: Typically completed within 4 hours after the specimen arrives at the testing site.
Specimen Requirement
24 hour urine collection is required.
- Collect all urine for a 24 hour period. No preservative is required. Keep the urine chilled during the collection period and prior to testing.
0.5 mL serum or plasma is required.
- Collect blood (within 12 hours of the 24 hour urine collection) in a lithium heparin, green-top or red-top tube. Serum or plasma should be separated from contact with the cells within 2 hours of collection.
Patient's height and weight are required to correct the clearance for body surface area.
Useful For
Estimation of glomerular filtration rate
Reference Values
66‑143 mL/min
CPT Code Information
82575 Chemistry: Creatinine clearance
LOINC Code Information
2164-2 Creatinine Renal Clearance In 24 H2164-2our