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Test Code NA Sodium (Na)

Specimen Requirements

Container/Tube: GRN/SST
Preferred: Plasma
Acceptable: Serum
Specimen Volume: 1.0 mL

SPECIMEN PROCESSING and HANDLING

Complete clot formation should take place before centrifugation. Serum or plasma should be physically separated from cells as soon as possible with a maximum limit of two hours from the time of collection.

TRANSPORT TEMPERATURE

Sodium in serum and plasma are stable for at least one week either at room or refrigerator (2 – 8 °C) temperature and for at least one year frozen.

PERFORMING LAB

WKMC, WKB, WKP, WKS