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Creatinine, random urine

Item Value
Test Update Information Effective November 16, 2016, the UCSF Clinical Labs switched to an enzymatic creatinine assay.
Approval req'd? No
Available Stat? Yes
Test code CRUR
Test group Creatinine
Performed by Parnassus, Mission Bay & Mt. Zion Chemistry
In House Availability Test available 24 hours per day 7 days per week
Method Enzymatic assay on Beckman DXC 600/800 analyzers. Calibration traceable to isotope dilution mass spec (IDMS) standardization

Click here for more information about the assay
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).
CPT coding 82570
Last Updated 11/16/2016 8:29:25 AM
Entry Number 1264
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