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HelpTest Code LAB4168 POTASSIUM, URINE (RANDOM)
Specimen Type
Preferred Specimen: Transparent Red Top Tube
Alternative Specimen: Yellow Urine Tube, Sterile Container
Specimen Volume
10 mL
Minimum Volume
1 mL
Turnaround Time
STAT: 1 hr
Routine: 4 hours
Test Schedule
Daily
Sample Stability
Room Temp: 45 days
Refrigerated: 2 months
Frozen: 1 year
Method
Indirect ISE (Ion-selective electrode)
Reference Ranges
Potassium, Urine, mmol/L
No normals established
CPT Codes
84133
Specimen Rejection
Specimens contaminated with fecal material or meconium will be rejected.