31010:SODIUM (Na)

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31010:SODIUM (Na)
Methodology: Indirect Potentiometry
Edit Date: 3/17/2009
Performed: Daily
Released: Same day as tested
CPT Code: 84295
Specimen Collection Details
Collection: One 7.5 mL serum separator tube (SST). Also acceptable: One 4 mL green top tube (heparin), or one 4.5 mL plasma separator tube (PST). Do not draw from an arm receiving an intravenous infusion.
Handling: Centrifuge SST or PST and transport in original tube. Heparin tube must be centrifuged and the plasma separated into a plastic vial for transport. Refrigerate.
Stability: 6 days refrigerated.
Standard Volume: 2 mL serum or plasma.
Minimum Volume: 0.5 mL serum or plasma.
Transport: Refrigerated.

135-145 mEq/L

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