Chloride is a salt that works with sodium to keep fluid and acid balance in the body.
- Normal range (adults)
- 96–106 mmol/L
- Sample
- Blood
- Fasting
- Not usually needed
- Also called
- Serum Chloride, Cl, Cl-, S.Chloride, Blood Chloride
Chloride normal range
| Group | mmol/LSame unit in all countries |
|---|---|
| Adults | 96–106 |
Ranges vary slightly between laboratories. The range printed on your own report is the one to go by.
Why is the Chloride test done?
It is part of the electrolyte panel.
What does a high Chloride level mean?
High chloride usually goes with dehydration or an acid build-up in the blood.
Common causes
- Dehydration
- Diarrhoea
- Kidney problems
- Large amounts of saline drip
Diet and lifestyle tips
- Drink enough water
- Use oral rehydration solution during diarrhoea
What does a low Chloride level mean?
Low chloride usually goes with vomiting or low sodium.
Common causes
- Prolonged vomiting
- Diuretics
- Heart failure
- Low sodium
Diet and lifestyle tips
- Replace fluids and salts after vomiting with oral rehydration solution
When should you see a doctor?
Chloride is interpreted with sodium and bicarbonate; discuss abnormal values with your doctor.
Last updated
This page is for general education and is not a diagnosis. Normal ranges differ between laboratories, so always compare your result with the reference range printed on your own report, and discuss abnormal results with your doctor.