Test Directory
3238 Sodium, Serum
Specimen Type
Specimen Stability
Reference Range
Serum-SST
7 days 2-8°C
136-145 mEq/L
Specimen Requirements
Preferred amount: 1.0 mL Serum
Minimum amount: 0.5 mL Serum
Minimum amount: 0.5 mL Serum
Method
Ion-Selective Electrode (ISE)
Schedule
Mon-Sat
Turn-Around Time
24hrs; Also offered STAT at an additional charge
Instructions/Notes
Centrifuge required?: Yes
Clinical Utility
To determine whether your 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
