Urine - 2-4 ml and serum or plasma - 1-2 ml
Samples must be collected at the same time. Collect urine in a red top tube. Collect blood in a red top or green top tube, separate serum/plasma promptly.
Note: Furosemide alters values and should not be used prior to sample collection.
*Price is per sample/electrolyte (Electrolytes available include: Calcium, Chloride, Creatinine, Magnesium, Phosphorus, Potassium, Sodium)