3238 Sodium, Serum

Specimen Type Specimen Stability Reference Range
Serum 7 Days 2 - 8°C 136-145 mEq/L

Specimen Requirements

Specimen Type: Serum
Container: 1 Serum Separator Tube (SST)
Temperature: Refrigerated
Preferred Vol: 1.00 mL
Min Vol: 0.50 mL

Method

Ion-Selective Electrode (ISE)

Schedule

Mon-Sat

Turn-Around Time

24hrs; Also offered STAT at an additional charge

Instructions/Notes

Clinical Utility

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.

CPT Codes

84295

Related Materials