Sodium, Plasma or Serum*

Important Note

*This test is orderable in Cerner as Sodium Level

Ion-Selective Electrode (ISE)

Rutland Regional Medical Center Laboratory

Specimen Type: Blood
Container/Tube:

Preferred: Light-green top (lithium heparin gel)

Acceptable: Gold top, serum gel

Specimen Volume: Full tube

Specimen Minimum Volume: 2 mL

Collection Instructions:

1. Send specimen in original tube.

2. If there is a delay in transport of >1 hour, centrifuge tube.

Refrigerated

136-145 mEq/L

Daily

Analytical Time:

1 day

Available Stat

84295

<120 mEq/L or >155 mEq/L (automatic call-back)