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Creatinine, 24 Hour, Urine
Test CodeUCR24
Alias/See Also
Epic: LAB712
Preferred Specimen
Specimen Type: Urine (unpreserved)
Collection Container: 24 hour collection kit
Specimen Volume: 3 mL
Minimum Volume
1 mL
Instructions
- Collect urine for 24 hours.
- Refrigerated specimen with 4 hours of complettion of 24-hour collection.
- This test does not require the use of a chemical preservative.
- Patient 24 Hour Collection Instructions
Processing 24-hour urine specimens
- Measure the total volume of the specimen.
- Mix the specimen well.
- Order 24URN in Soft and enter prompted information.
- Aliquot/transfer at least 3 mL specimen into plastic clear top (no additive) vacutainer tube.
- IL 24-hour Urine Pre-Analytical Processing Job Aid
Transport Temperature
Clear top (no additive) tube
Do not send the 24 hour collection kit/jug to the lab
Do not send the 24 hour collection kit/jug to the lab
Specimen Stability
Room temperature: 2 days
Refrigerated: 6 days
Frozen: 6 months
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Urine collected with preservatives, unlabeled, mislabeled, wrong tube type, large amount of free hemoglobin, and/or bilirubin, QNS, exceeds specimen/stability requirements.
Methodology
Kinetic Alkaline Picrate
Setup Schedule
Daily
Report Available
Same day
Reference Range
See laboratory report
Performing Laboratory
Inova Laboratories
2832 Juniper Street
Fairfax, VA 22031
Last Updated: October 23, 2023
Last Review: N. Wolford, October 23, 2023