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Sodium, Urine, Random

Tube Type = Urine Tube Yellow Top

Specimen Type

Test ID   LAB444
EPIC ORDER
   SODIUM, RANDOM URINE
CPT Code(s)   84300
Group/Individual Test   Individual
Laboratory   Core Laboratory
Tube Station   Routine 30; STAT 888
Specimen Routine: 10 mL Random Urine in Yellow Top Urine Tube (No Preservative/Additive)

10 mL Random Urine in Sterile Specimen cup is acceptable if refrigerated.
  Micro: 1 mL Random Urine in Yellow Top Urine Tube (No Preservative/Additive)
Stability
Room Temperature: 2 hours
Refrigerator: 7 days
Frozen: 30 days
Availability Routine: 24 hrs/day
  STAT: YES 
Turnaround Time   STAT 1 hr., Routine 2 hrs.
Reference Range Normal: Undefined, varies with Diet
Comments Other clinical data should be taken into consideration when interpreting these results.

Reviewed by J. Carr on January 02, 2026

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