Specimen Requirements

Title

Creatinine, 24HR Urine

Specimen Requirement

24 hour urine. Measure Total Volume and include on order form. Aliquot off urine specimen in clean leak proof container.

Methodology

Stability

Room Temp: 2 days; Refrigerated: 6 days

Reference Range

By report

Turnaround

1 day

Clinical Use

Renal function test when used as part of creatinine clearance; crude marker for completeness of 24-hour urine collections when collected for other purposes

Test Code

UCREA