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Sodium and Potassium, Serum

Mnemonic:    [NA+K]
Name:    Sodium and Potassium, Serum
Specimen:    1 mL serum from a Red SST or Red top tube, or plasma from a Green PST.
Reference Range:    See individual tests for ranges
  Method:    Ion Selective Electrode
Note:    See individual tests for detailed methodology.