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Sodium, Urine, 24 Hour

Container Type = Orange Urine or Orange Urine with Red Lable or Orange Urine with Yellow Lable

Container A 

Test ID   LAB445
EPIC Order
   SODIUM, TIMED URINE
CPT Code(s)   84300
Group/Individual Test   Group
Laboratory   Core Laboratory
Tube Station   Deliver directly to the laboratory
Specimen Routine: 24 hr Urine, Container Type "A" 
See Comments
Stability
Room Temperature: Not Recommended
Refrigerator: 7 days
Frozen: 30 days
Availability Routine: 24 hrs/day
Turnaround Time   STAT 1hr; Routine 2hrs
Reference Range Normal: 40-220 mmol/24 hrs;  Varies with diet and state of hydration.
Comments
  • Refrigerate Specimen; do not collect with preservatives
  • Obtain Container from Central Distribution
  • Provide start and stop times for collection
  • Total volume of collection will be reported

Reviewed by J. Carr on January 02, 2026

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514