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Potassium, Random Urine with Creatinine
Test Code8347
CPT Codes
82570, 84133<br><strong>This test is not available for New York patient testing.</strong>
Preferred Specimen
10 mL random urine - no preservative
Minimum Volume
2 mL
Other Acceptable Specimens
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
Set up: Daily; 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.
