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Potassium, Urine Random
MessagePerforming Lab: Central Lab, Lakeview, Regions, Westfields
Test Code
3598
Alias/See Also
Sunquest: UKR
CPT Codes
84133
Preferred Specimen
0.2 mL Random Urine
Minimum Volume
0.1 mL
Instructions
No preservative required
Transport Container
Sterile Container
Transport Temperature
Refrigerated
Specimen Stability
Room Temperature: 4 days
Refrigerated: 7 days
Frozen: 6 months
Lakeview: Room Temperature (7 days), Refrigerated (7 days), Frozen (12 months)
Refrigerated: 7 days
Frozen: 6 months
Lakeview: Room Temperature (7 days), Refrigerated (7 days), Frozen (12 months)
Methodology
Potentiometric
Setup Schedule
Hospital: Daily
Clinics: Monday - Friday
Clinics: Monday - Friday
Report Available
Same Day
Reference Range
No reference range established
Lakeview Only: 12 - 62 mmol/L
Lakeview Only: 12 - 62 mmol/L
Clinical Significance
Normally, K+ is freely filtered by the glomerulus but tends to be conserved if the serum K+ is low. Urinary potassium may be elevated with dietary increase, hyperaldosteronism, renal tubular acidosis, and at the onset of alkalosis.
