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Potassium, 24-Hour Urine with Creatinine : 734
Test CodeU24KAU or 734
Alias/See Also
K, 24-Hour Urine
CPT Codes
82570, 84133
Instructions
Record total volume and collection duration on transport container and test requisition.
Transport Container
Preferred Specimen
10 mL urine aliquot from a 24-hour collection - no preservative
Alternative Specimens
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 urine aliquot from a 24-hour collection - no preservative
Alternative Specimens
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: 7 days; Refrigerated: 7 days; Frozen: 28 days
Methodology
Ion Selective Electrode (ISE)
Setup Schedule
Sunday - Saturday
Report Available
1 day
Reference Range
See Laboratory Report
Clinical Significance
Assessment of hydration status and overall electrolyte balance.
Performing Laboratory
med fusion
