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Potassium, Random Urine with Creatinine
Test Code8347
CPT Codes
82570, 84133
Preferred Specimen
10 mL of an unpreserved random urine collected in a plastic leak-proof container
Minimum Volume
2 mL
Other Acceptable Specimens
Random urine collected in a UA Urinalysis Transport Tube (yellow-top, blue fill line preservative tube)
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 7 days
Refrigerated: 7 days
Frozen: 28 days
Refrigerated: 7 days
Frozen: 28 days
Methodology
Ion Selective Electrode (ISE)
Setup Schedule
Monday-Sunday Morning
Report available: 2 Days
Report available: 2 Days
Reference Range
See Laboratory Report
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.
aldosteronism. It is often increased in dehydration and
in salicylate toxicity. Decreased levels are seen in
malabsorption.
