Sodium
$23.85
The sodium blood test measures the concentration of sodium in the blood. Sodium can also be measured using a urine test. Blood is drawn from a vein (venipuncture), usually from the inside of the elbow or the back of the hand.
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The sodium blood test measures the concentration of sodium in the blood. Sodium can also be measured using a urine test. Blood is drawn from a vein (venipuncture), usually from the inside of the elbow or the back of the hand.