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HelpTest Code LAB446 Sodium, Urine 24 Hr
Additional Codes:
NA U24 – (24 hr Urine)
Includes:
Sodium U and Sodium U 24 Hour
Notes:
For 24 hour samples, specimen label and request must state the date/time the urine collection started & ended.
Collection:
Specimen: Urine, 24 hr collection or random
Container: Plain 24 hour urine jug with no preservative. Refrigerate specimen during collection.
Volume: Entire 24 hr collection
Stability:
Refrigerated (preferred): 1 Week
Frozen: 2 Weeks
Turnaround Time (TAT):
STAT: 1 HOUR
Routine: 4 HOURS
Test Availability:
24 hours a day / 7 days a week
Performing Laboratory Section:
Chemistry / UMC MAIN LABORATORY
Reference Interval:
Sodium U: No established reference range
Sodium U 24 Hour: 40.0 – 220.0 mmol/24 hour (varies with diet)