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Test Code FCREA Creatinine, Body Fluid, LAB65

Performing Laboratory

St. Luke's Hospital Cedar Rapids

Specimen Requirements

Container/Tube:

Preferred: Pleural and peritoneal (ascites, pancreatic, JP) fluid

Acceptable: Other body fluids must have Pathology approval before being reported.

Specimen Volume: 0.2 mL of body fluid.

Stability: Samples should be stored at 2 - 8ºC and analyzed within 48 hours.  For longer

                storage, samples should be frozen at or below   -20 ºC.

Note: Indicate specimen source on specimen container and in computer.

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

Methodology

Enzymatic

Test Classification and CPT Coding

82570