Skip to Content
UW Health SMPH
American Family Children's Hospital

UW Hospital and Clinics Lab Test Directory

Test Name: Potassium, Urine

Test Code(s): RK / GM2675

CPT Code(s): 84133

Test Description: Included In: Electrolytes, Urine Panel, Random

Methodology: Ion Selective Electrode

Days Performed: Daily, 24 hours.

Turnaround Time: Stat: 1 hour.
Routine: 4 hours.


Specimen Requirements

Specimen: Random urine

Collection Instructions: Collect random urine. No preservative required.

Collection Container: Preferred: Sterile screw cap container

Collection Volume: Preferred: 10 mL
Pediatrics: 1 mL

Sample Analyzed: Urine aliquot

Volume Required: Preferred: 1 mL
Pediatrics: 0.4 mL

Specimen Transport: Transport entire specimen to UWHC Core Laboratory (B4/220). Transport with coolant pack if coming from outreach location.

Stability: Ambient: 5 days
Refrigerated: 5 days


Interpretation

Random urines reported in mmol/L.

Back to Lab Test Directory Index