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Creatinine, 12 Hour, Urine
Test CodeUCR12
Alias/See Also
Epic: LAB2438
Preferred Specimen
Specimen Type: Urine
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 Container
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?)
Unlabeled, mislabeled, wrong tube type, QNS, wrong preservative, 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: April 26, 2023
Last Review: N. Wolford, April 26, 2023