Test Code URK Potassium, Urine, 24 Hour
Additional Codes
EPIC: LAB436
Methodology
Ion-Selective Electrode (ISE)
Used in the diagnosis and treatment of electrolyte and acid-base imbalance.
Performing Laboratory
St. Joseph Hospital
Specimen Requirements
Submit an entire 24-hour urine collection. No preservative. Refrigerate specimen during collection, and send specimen refrigerated.
Note: 1. Starting and ending times of collection are required on request form for processing.
2. Follow instructions in “Urine Collection” in “Special Instructions” for 24-hour specimens.
Reference Values
25-125 mmol/24 hours
Day(s) Test Set Up
Monday through Sunday
Test Classification and CPT Coding
81050 - timed urine measurement
84133 - potassium