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Test Code UCREA Creatinine, Urine, Random, LAB384

Performing Laboratory

St. Luke's Hospital Cedar Rapids

Specimen Requirements


Preferred: Random Urine Collection

Specimen Volume: 0.5 mL from a random urine collection.

Stability: Urines should be stored at 2 - 8ºC and analyzed within 4 days.  Freeze for longer storage.


Reference Values

No established reference values

Useful For

Creatinine measurements are used in the diagnosis and treatment of renal diseases, in monitoring renal dialysis, and as a calculation basis for measuring other urine analytes.

Day(s) Test Set Up

Monday through Sunday



Note: A 24-hour urine collection is the preferred specimen. See #UCR24H Creatinine, 24 Hour, Urine.

Test Classification and CPT Coding