Test Code LAB436 Potassium, 24 Hour Urine
Additional Codes:
K U24 (24 hr collection)
Includes:
Potassium U and Potassium 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
Container: 24 hr Urine - Plain 24 hour urine jug with no preservative. Refrigerate 24-hour urine specimen during collection.
Volume: 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:
Potassium U: No reference range established
Potassium U 24 Hour: 25.0 – 125.0 mmol/24 hour