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Electrolytes, Serum

Message
Tests included: Sodium, Potassium, Chloride, Total Carbon Dioxide and Anion Gap


Test Code
LAB16


Preferred Specimen
Green (Lithium Heparin) or serum separator tube SST


Instructions
Allow serum tube to clot completely at room temperature. Separate serum or plasma from cells within 2 hours of collection. Transport 1 ml serum or plasma (min 0.5 mL).


Transport Temperature
Refrigerate


Specimen Stability
After separation from cells: Ambient 4 hours; Refrigerated 3 days; Frozen 1 month.


Methodology
DxC 700 AU



The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.