Electrolytic Equilibrium Unveiled in Health's Chemical Spectrum
Chloride is one of the electrolytes in our blood. Electrolytes are minerals that carry an electric charge when they are dissolved in a liquid. Chloride blood tests check to make sure the appropriate levels of chloride in our blood to be healthy. Many factors can cause an abnormal level of chloride in our blood, including dehydration, vomiting and certain medical conditions.
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The serum chloride test measures the amount of chloride in your blood. Chloride is an essential electrolyte that helps maintain fluid balance, acid-base balance, and proper muscle and nerve function. It is usually measured alongside other electrolytes such as sodium, potassium, and bicarbonate.
Purpose of the test:
Evaluate electrolyte and acid-base balance
Monitor conditions like dehydration, kidney disease, or metabolic disorders
Help diagnose causes of abnormal blood pH (acidosis or alkalosis)
Adults: 96–106 mEq/L (milliequivalents per liter)
Children: 98–107 mEq/L
Reference ranges may vary slightly depending on the laboratory.
High Chloride (Hyperchloremia, >106 mEq/L):
Dehydration
Kidney dysfunction
Metabolic acidosis (loss of bicarbonate)
Excess salt intake or IV saline
Low Chloride (Hypochloremia, <96 mEq/L):
Excessive vomiting or diarrhea
Metabolic alkalosis (loss of gastric acid)
Congestive heart failure
Certain kidney problems or diuretic use
Blood sample: Typically collected via venipuncture into a serum tube.
Processing: Serum is separated and analyzed in a lab.
Electrolytic Equilibrium Unveiled in Health's Chemical Spectrum
Chloride is one of the electrolytes in our blood. Electrolytes are minerals that carry an electric charge when they are dissolved in a liquid. Chloride blood tests check to make sure the appropriate levels of chloride in our blood to be healthy. Many factors can cause an abnormal level of chloride in our blood, including dehydration, vomiting and certain medical conditions.
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