Sodium is critical in maintaining water and osmotic equilibrium in extracellular fluids. Body sodium generally reflects input and renal excretion.
10 mL (5 mL min.) aliquot of 24-hour Urine. Ship refrigerated. DO NOT FREEZE. Do not use preservatives. Record 24 hour volume on container and test request form.
Indirect ISE
Daily
Sodium is critical in maintaining water and osmotic equilibrium in extracellular fluids. Body sodium generally reflects input and renal excretion.