Home
HelpTest Code 290 Creatinine Clearance
Additional Codes
ALAB: CREATCL
PowerChart: Creatinine Clearance
MA Cerner: Creatinine Clearance
Test Method
MercyOne: Jaffe Rate; Beckman DxC700AU
MA: Kinetic Colorometric Method; Roche Cobas 6000
Specimen Requirement
24 hour urine collection is required.
0.5 mL serum or plasma is required.
Additional Specimen Collection Information
Urine:
- Collect all urine for a 24 hour period. No preservative is required. Keep the urine chilled during the collection period and prior to testing.
Blood:
- 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. Specimens not centrifuged within 4 hours of collection may be rejected. Refrigerate the specimen if unable to assay within 8 hours of collection. Samples with >3+ lipemia must be cleared prior to analysis.
Performance
Testing is performed Monday through Sunday.
Routine orders: Typically completed within 6 hours after the specimen arrives at the testing site.
Reference Values
Creatinine, Serum/Plasma: 0.4-1.4 mg/dL
eGFR:(calculated): ≥ 60 mL/Min/1.73m2
eGFR-AA (calculated): ≥60 mL/min/1.73m2
Creatinine, Urine: Not established, result subject to interpretation by the clinician.
Creatinine Clearance:
Male: 97-137 mL/min
Female: 88-128 mL/Min
Total Excretion: 1-2 gm/24 Hours
CPT Code Information
82575 Chemistry: Creatinine clearance
Useful For
Estimation of glomerular filtration rate
LOINC Code Information
2164-2 Creatinine Renal Clearance In 24 H2164-2our