What is a chloride blood test?A chloride blood test measures the amount of chloride in your blood. Chloride is a type of electrolyte. Electrolytes are electrically charged minerals that help control the amount of fluids and the balance of acids and bases in your body. Chloride is often measured along with other electrolytes to diagnose or monitor conditions such as kidney disease, heart failure, liver disease, and high blood pressure.Other names: CI, Serum chloride
