Name: Electrolytes, Urine, 24 Hour
Test Name: Electrolytes, Urine, 24 Hour
Health Link Test Code: HCUNAK
LIS Test Code: UNAK
CPT Code(s): 84133, 84300, 81050
Urine Sodium and Potassium
Methodology: Ion Selective Electrode
Days Performed: Daily, 24 hours.
In-Lab Turnaround Time: 4 hours.
Stat In-Lab Turnaround Time: 1 hour.
Specimen: 24 hour timed urine
Collection Container: 24 hour urine container
Collect 24 Hour Urine. No preservative required. For timed urine collections, collect all urine in container provided. Add "Refrigerate" sticker to 24-hour container.
For 24-hour urine test the collection period must be within 22-26 hours. Collection period starts after first void of the period. It is very important to refrigerate specimen during and after the collection. Indicate the date and time collection started and date and time collection finished. If questions about collection process or container does not have instructions attached, call (608) 263-7060 for assistance.
Patient instructions available at www.uwhealth.org. Search for 24-hour urine collection or HF#4339.
Collection Volume: Entire collection
Sample Analyzed: Urine aliquot
Testing Volume: 1 mL
Pediatric Testing Volume: 0.4 mL
Outreach Specimen Processing:
Mix urine well and note volume and period. Transport 50 mL aliquot on coolant pack to the laboratory along with volume and period information.
Transport entire specimen to the laboratory. Transport with coolant pack if coming from clinic location.
|15 and up||40-220||40-220||25-125|
Results calculated only for collections of 22-26 hours.
Interpretation Type: Reference Interval