The urine electrolytes test helps to measure electrolytes in the urine. It measures the levels of sodium, chloride, potassium, and calcium. Electrolytes are the minerals that are essential for the body's metabolism, for the proper functioning of the nerve and muscle, for maintenance of blood pH, and water balance. The urine electrolyte test is done: • As a routine check-up • To determine the cause of electrolyte imbalance • In case of dehydration • In case of blood pressure problems • In case of edema • To monitor the ongoing treatment for electrolytes imbalance