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Sodium, Random Urine with Creatinine
Test Code8514
CPT Codes
82570, 84300
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 submitted 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
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, and water deficient dehydration.