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HelpTest Code UCR24 Creatinine, 24hr Urine
Performing Laboratory
Hunterdon Medical Center Laboratory
Special Instructions
Submit an entire 24 hour urine collection in plastic urine container.
Refrigerate specimen during collection.
Printable Patient Instruction form is available under Forms on catalog side bar.
Note: Starting and ending times of collection are required on container for processing.
Specimen Required
Test updated May 2016
| Container/Tube | Plastic 24 hour urine container |
| Preservative-Preferred | None |
| Preservative -Acceptable | 5mL 10% HCl, 5mL 30%HCl, or Boric Acid |
Specimen Type
Urine, 24 hour
Specimen Transport Temperature
Ambient
Specimen Stability
| Temperature | Time Frame |
| Ambient 15-25°C | 2 days |
| Refrigerated 2-8°C | 6 days |
Day(s) Test Set up
Monday through Sunday
Reference Values
| Test | Female | Male | Units |
| Creatinine, Urine | 28.0-217.0 | 39.0-259.0 | mg/dL |
| Creatinine/24 hours | 0.7-1.5 | 1.0-2.3 | g/(24.h) |
Methodology
Kinetic colorimetric assay.
CPT Code
82570-creatinine
81050-urine timed measurement
Loinc Code
14682.9