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HelpTest Code NAFL Sodium, Body Fluids
Methodology
Ion-Selective Electrode (ISE)Performing Laboratory
St. Clair Hospital LaboratorySpecimen Requirements
Specimen must arrive within 4 hours of collection.
1 green-top (heparin) tube (1 mL of heparinized body fluid).
Note: Indicate source of specimen on specimen container and request form.