Test Code LAB712 Creatinine, Urine, 24 hour
Specimen Requirement
24-hour urine collection – submit entire collection to laboratory
Note: no preservative required; may be collected with boric acid or HCL.
Referring lab: submit 5.0 mL aliquot from a total 24-hour urine collection
24-hour total volume is required on request form for processing.
Specimen Stability
2 days at 20-25° C
6 days at 2-8° C
Testing Schedule
Daily
Reference Range
Male: 0.6 – 2.5 g/24 Hr
Female: 0.6 – 1.5 g/24 Hr
Testing Department
Chemistry
Method
Kinetic Alkaline Picrate
CPT Code
82570
Additional Testing Locations
This test is also performed daily at the following Altru Clinics:
- Crookston
- Devils Lake
Please contact appropriate lab location for specific test information, as methodology varies by site.
Outpatient Turnaround Time
Within 8 hours of collection
Inpatient STAT Turnaround Time
Not Applicable
Inpatient Routine Turnaround Time
4 hours after receipt