Test Code U24NA Sodium, 24 Hour, Urine
Performing Laboratory
ChristianaCare:
- Newark Campus
- Wilmington Campus
Methodology
Ion-Selective Electrode (ISE)
Specimen Requirements
Container/Tube: 24-hour urine container supplied. No preservative.
Specimen: Entire 24-hour urine collection - Random specimen is acceptable, but reference values do not apply.
Collection Instructions: Refrigerate specimen during collection.
Note: 1. Starting and ending times of collection are required on request form for processing.
2. Follow instructions in “Urine Collections” in “Special Instructions.”
3. Label container with patient’s full name and 1 additional unique patient identifier such as date of birth, medical record number, emergency ID number, date and time of collection, collector’s initials, and type of specimen.
Reference Values
40-220 mmol/24 hours
Day(s) Test Set Up
Monday through Sunday
Routine Turnaround Time: 8 hours
STAT Turnaround Time: not available