Fractional Excretion of Electrolytes

Test Code: CL340
Results:: 1-2 days
Component: – Chemistry (serum): CA, CL, CREA, PHOS, NA, K – Urine: CA, CL, CREA, PHOS, NA, K
Specimen: 1.0 mL serum in red top, white top, or serum separator tube and 1.0 mL urine in urine transport tube. Samples must be drawn and submitted at the same time. Label samples accordingly as URINE or SERUM.
Test Description: Chemistry panel (serum): Calcium (CA), Chloride (CL), Creatinine (CREA), Phosphorus (PHOS), Sodium (NA), Potassium (K)
Urine panel: Calcium (CA), Chloride (CL), Creatinine (CREA), Phosphorus (PHOS), Sodium (NA), Potassium (K)