Creatinine Clearance, Urine Timed




Test Mnemonic

UXCCT

CPT Codes

  • 82575 - QTY (1)

Includes

  • Creatinine Urine
  • Creatinine serum
  • Creatinine Clearance

Performing Laboratory

n/a


Specimen Requirements

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

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 

Reference Range

Creatinine Clearance
Sex Age From Age To Type Range Range Unit
Female      Normal75 - 115mL/min
Male      Normal85 - 125mL/min
Creatinine Urine
Sex Age From Age To Type Range Range Unit
Female      Normal0.03 - 0.08g/hr
Male      Normal0.04 - 0.08g/hr
Creatinine, Serum
Sex Age From Age To Type Range Range Unit
Male18 Years99 YearsNormal0.73-1.22mg/dL
Female18 Years99 YearsNormal0.58-0.96mg/dL

Special Info

Creatinine clearance will not be calculated if no serum specimen is submitted. Indicate patient height, weight, urine volume and hours of collection.

Clinical Info

Evaluation of renal function

Clinical Limitation

n/a

Clinical Reference

n/a