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Creatinine Clearance
Test CodeUCRCL
Preferred Specimen
Urine and 2 mL Lithium Heparin plasma or serum (1.0 minimum)
Instructions
Complete timed specimen or a well mixed aliquot must be submitted. Total volume should be noted on label. A blood specimen should be obtained sometime during urine collection.
Transport Container
24 Hour Urine Collection Jug and PST or SST Tube
Transport Temperature
Refrigerate