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Test Code LAB19202 Urine Creatinine Clearance, 12 Hour

Performing Lab

Arnot Ogden Medical Center

Ordering Recommendations

Urinary creatinine, in conjunction with serum creatinine, is used to calculate the creatinine clearance, a measure of renal function. In a random specimen, urinary analytes can be normalized by the creatinine concentration to account for the variation in urinary concentrations between subjects.

Collect

Urine

Collection Device

24 Hour Collection Jug Free of Preservatives

Specimen Volume

5 mL

Stability (from collection to initiation)

Room Temp 2 Days
Refrigerated 6 Days

 

Storage/Transport Temperature

Room Temp, Refrigerated

Minimum Requirements

1 mL

Methodology

Jaffe Rate Absorbance

Start Date

5/2/2020

Last Review Date

7/12/25 ES

Specimen Handling

Room Temp, Refrigerated

Collection Instructions

Serum Creatinine must be collected within 48 hours of urine collection. 12 hour urine collection, keep refrigerated during collection period.

Remarks

TURN AROUND TIME

8 hours

Specimen Preparation

Tech will enter 12 hour urine volume.

Invert well before taking an aliquot.