Creatinine Clearance, Urine 24 Hour




Test Mnemonic

UXCC

CPT Codes

  • 82575 - QTY (1)

Includes

  • Creatinine Urine
  • Creatinine serum
  • Creatinine Clearance

Performing Laboratory

Cleveland Clinic Laboratories


Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
1 mLSerumSST (Gold) RefrigeratedCollect blood near end of 24 hour collection of urine.
5 mLUrine, 24-hour (well-mixed)Clean containerRefrigerate during collection.Refrigerated 

Alternate Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
1 mLPlasmaSodium or Lithium heparin (Green)   

Minimum Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
0.3 mL    Plasma
0.3 mL    Serum
3 mL    Urine

Stability

Environmental Condition Description
Ambient2 days
Refrigerated6 days
Frozen6 months

Days Performed

Mon - Fri

Turnaround Time

8 hours

Methodology

Name Description
Enzymatic 

Special Info

Indicate height and weight on requisition. Creatinine clearance will not be calculated if no serum specimen is submitted.

Clinical Info

Evaluation of renal function