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Sodium, urine
Test CodeSODIUM, URINE
Alias/See Also
Chemistry
Preferred Specimen
Random urine
Minimum Volume
2 mL
Transport Temperature
Refrigerate
Specimen Stability
Room temperature: 45 days
Refrigerated (2-8°C): 45 days
Frozen (-20°C or colder): 1 year
Refrigerated (2-8°C): 45 days
Frozen (-20°C or colder): 1 year
Methodology
Indirect ISE
Setup Schedule
Daily
Report Available
TAT 1 day
Reference Range
Not established
Clinical Significance
The excretion of sodium varies with dietary intake. There is a diurnal variation of sodium excretion with excretion being greater during daytime than during the night. Decreased levels are seen in congestive heart failure, excessive sweating, diarrhea, pyloric obstruction, malabsorption and primary aldosteronism. Increased levels may be due to increased salt intake, failure of the adrenal glands, diabetic acidosis, salt losing renal disease, diuretic therapy and water deprivation dehydration.
Performing Laboratory
Test performed in these BACL Chemistry Labs
Contact: Jonathan Dryjowicz-Burek, West Roxbury 857-203-5973
Alternate contact Joseph A. Manzone JP 857-364-5092
Last Updated: May 17, 2022
