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Potassium, Random Urine
Test CodeUK
Preferred Specimen
10 mL random urine collected in a no preservative plastic urine container
Minimum Volume
2 mL
Other Acceptable Specimens
None
Transport Container
Plastic urine container
Transport Temperature
Ambient
Specimen Stability
Refrigerated: 7 days
Methodology
Ion Selective Electrode (ISE)
Setup Schedule
24/7
Report Available
Same day
Reference Range
25-125 mmol/L
Clinical Significance
Urinary excretion of potassium is increased in primary aldosteronism. It is often increased in dehydration and in salicylate toxicity. Decreased levels are seen in malabsorption.