Potassium, Urine, 24 hour
Performing Lab(s)
Memorial-Belleville only
Specimen Requirement (s)
Specimen Type: urine
Container/Tube: 24 hour urine jug with start and stop times noted
Specimen Volume: NA
Specimen Minimum Volume: 2 mL
Collection Instructions: Refrigerate jug during collection.
Lab Instruction: NA
Day(s)/Shift(s) Test Set Up and Turnaround Time
Sunday through Saturday
Hours: 24 hours
Turnaround Time:
STAT: No
Routine: less than 8 hours from receipt.
Transport and Stability
Transport temperature: Ambient or refrigerated to lab
- Refrigerate during collection.
Reference Values
Varies greatly with diet
Commonly observed levels on an average diet are 25-125 mmol/24 hours.
Literature Reference:
Rifai N, Horvath AR, Wittwer AT eds: Textbook of Clinical Chemistry and Molecular Diagnostics 6 th ed: Chapter 60, p. 1324, Elsevier, St. Louis, MO 2018.
CPT/LOINC Codes
81050-Volume measurement for timed collection
84133-Potassium