Abbrev Code:NA   
Order Code:LAB122Order Name:Sodium
Order Instructions:Use test code NAW for whole blood testing.
Synonyms:Electrolytes (Na, K, Cl, CO2)
Methodology:Roche: Indirect ion selective electrode
Vista: Indirect potentiometric
Woodwinds: ISE, diluted
CPT Codes: 84295 x1, 84295 x1
Turnaround Time:Performed and reported 24 hours/day.
Special Instructions:UMMC only: Arterial or venous blood collected in a dry lithium heparin syringe for blood gas or ionized calcium analysis may be used for sodium, potassium, or glucose analysis simultaneously.
Associated Links:

Roche Go Live Schedule

Collection Instructions

Optimal Volume:2.5 mL
Minimum\Peds Volume:0.6 mL
Collection Instructions:Chemistry Tests Containers Chart

Processing and Shipping

Specimen Processing:Centrifuge and aliquot 1.25 mL, 0.2 mL minimum. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Stability:Roche: 14 days at room temperature; 14 days refrigerated; indefinitely frozen.
Vista: 1 week at room or refrigerated temperature; 1 year frozen.  
Test Performed at or Referral Lab Chemistry  (CSC Maple Grove, Roche-CSC Mpls, Roche-Grand Itasca, Roche-Lakes, Roche-Northland, Roche-Range, Roche-Ridges, Roche-Southdale, Roche-St. John's, Roche-UMMC East, Roche-UMMC West, Woodwinds)


Critical Range:Basic, Electrolyte and Renal Panels Critical Values and Reference Ranges
Reference Range:Basic, Electrolyte and Renal Panels Critical Values and Reference Ranges
Limitations:Refer to Electrolyte Panel for limitations.
Use:Evaluate sodium metabolism and drugs or diseases that alter it.

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