A chloridetest measures chloride in your blood. It may be used to check for or monitor conditions that affect your body's acid-base balance. Learn more. The test measures the concentration of free chloride and the results are shown in milliequivalents of chloride per liter of blood (mEq/L) [2, 5]. A chloridebloodtest can help your healthcare provider find the cause of these symptoms. This article describes chloridebloodtest uses, techniques, and results. This article is about the laboratory test used to measure the amount of chloride in the fluid portion (serum) of the blood. A ChlorideBloodTest estimates the chloride levels in your blood. Chloride belongs to the category of electrolytes. Electrolytes are minerals that have an electric charge when dissolved in a... A chloridebloodtest, which is also called a serum chloridetest, is often part of a routine bloodtest to check how much chloride is in your blood. Chloride is an important electrolyte. During the test. Chloridebloodtests involve a phlebotomist or nurse collecting a blood sample. They will use a disinfectant wipe on a patch of skin on your elbow or hand. The chloridebloodtest, sometimes called a Cl test or serum chloridetest, is a simple bloodtest that measures your chloride levels. Why do chloride levels matter? The chloridebloodtest is typically part of a routine screening to check a patient's overall health and to identify any imbalances of acids or fluids within the body. A chloridebloodtest calculates and examines the amount of chloride in your blood. It is known as a type of electrolyte (they are charged minerals that assist in the supervision of the number...