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Test Code NA Sodium, Plasma or Serum

Methodology

Ion-Selective Electrode (ISE)

Performing Laboratory

Sky Lakes Medical Center-Chemistry

Specimen Requirements

Submit only 1 of the following specimens: Specimen Type: Plasma. Container/Tube: Green top (lithium heparin gel).Specimen Volume: 2 mL. Collection Instructions: Label specimen appropriately (plasma ). Specimen Type: Serum. Container/Tube: Red top or serum gelSpecimen Volume: 2 mL. Collection Instructions: Label specimen appropriately (serum).

Specimen Transport Temperature

Refrigerate/Ambient OK

Reference Values

135.0-145.0 mmol/L. Critical values (automatic call-back): 125.0 mmol/L or 160.0 mmol/L

Day(s) Test Set Up

Monday through Sunday Available STAT

Test Classification and CPT Coding

84295

Test Order Code

LAB122