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Creatinine, random urine

Item Value
Approval req'd? No
Available Stat? Yes
Test code CRUR
Test group Creatinine
Performed by Parnassus & Mt. Zion Chemistry
In House Availability Test available 24 hours per day 7 days per week
Method Spectrophotometric, kinetic (alkaline picrate,Jaffe) assay on Beckman DXC 600/800 analyzers. Calibration traceable to isotope dilution mass spec (IDMS) standardization

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Container type Urine cup
Amount to Collect 20 mL urine
Sample type Random urine
Preferred volume 1 mL urine
Min. Volume 0.2 mL urine
Units mg/dL
Normal range See Additional Information
Stability Refrigerated 2 days
Turn around times STAT 1 hour, Routine 4 hours
Additional information Output varies with the diet and weight.

Random urine creatinine concentrations are typically between 80 mg/dL to 150 mg/dL and can range from approximately 20 mg/dL to 300 mg/dL (see Barr, DB et al. Environmental Health Perspectives 113:192-200, 2005).
Last Updated 3/24/2013 7:33:02 PM
Entry Number 1264
Lab Procedure Link Click here for Procedure
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