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Potassium, 24-Hour Urine without Creatinine : 11316
Test Code.24PMAU or 11316
Alias/See Also
K, 24-Hour Urine
CPT Codes
84133
Transport Container
Preferred Specimen
10 mL aliquot of a 24-hour urine collected in a no preservative plastic urine container
Alternative Specimen
Urine preserved with boric acid; Urine preserved with acetic acid; Urine preserved with HCl; Urinalysis transport tube (yellow-top, blue fill line, preservative tube)
Minimum Volume
2 mL
10 mL aliquot of a 24-hour urine collected in a no preservative plastic urine container
Alternative Specimen
Urine preserved with boric acid; Urine preserved with acetic acid; Urine preserved with HCl; Urinalysis transport tube (yellow-top, blue fill line, preservative tube)
Minimum Volume
2 mL
Transport Temperature
Room temperature.
Specimen Stability
Room temperature: 14 days; Refrigerated: 14 days; Frozen: 60 days
Methodology
Ion Selective Electrode (ISE)
Setup Schedule
Sunday - Saturday
Report Available
1 day
Reference Range
22-160 mmol/24 h
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.
Performing Laboratory
med fusion
