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HelpTest Code LAB712 Urine Creatinine, 24 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
Collection Instructions
See Collection Instructions - 24 Hour Urine.
24 hour urine collection, keep refrigerated during collection period.
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
Specimen Handling
Room Temp, Refrigerated
Remarks
TURN AROUND TIME
8 hours
Specimen Preparation
Tech will enter 24 hour urine volume.
Invert well before taking aliquot.
Start Date
5/2/2020
Last Review Date
7/12/25 ES