Specimen Type: Serum
Container: 1 Serum Separator Tube (SST)
Preferred Vol: 1.00 mL
Min Vol: 0.50 mL
Ion-Selective Electrode (ISE)
24hrs; Also offered STAT at an additional charge
To determine whether sodium concentration is within normal limits and to help evaluate electrolyte balance and kidney function; to monitor chronic or acute hypernatremia or hyponatremia.