Chloride Serum Chloride
The other half of salt, which moves with sodium in your blood.
What it measures
The salt that travels with sodium to keep fluid and acidity balanced.
Read with sodium and bicarbonate it shows whether your blood has drifted acid or alkaline.
Why it matters for how long you stay well
It matters as part of the acid-base picture rather than by itself, and it is read alongside sodium and your kidney numbers rather than alone.
How it shows up in daily life
You will never feel this one on its own. It shifts with vomiting, loose motions and heavy sweating.
High and low readings
When it reads high
Usually dehydration.
When it reads low
Vomiting or a fluid shift.
What moves it
Daily life
- vomiting or loose motions
- heavy sweating
- how much water you drink
Medicines known to shift it
- diuretics (can lower it)
Listed so a result can be read in context. It is not advice to start, stop or change any medicine; that decision belongs with your physician.
Common questions
What does Serum Chloride measure?
The salt that travels with sodium to keep fluid and acidity balanced. Read with sodium and bicarbonate it shows whether your blood has drifted acid or alkaline.
What does a high Chloride result usually mean?
Usually dehydration.
What does a low Chloride result usually mean?
Vomiting or a fluid shift.
What is the usual reference range for Chloride?
A broad adult reference band is 98–107 mmol/L. Labs differ, so read your result against the band printed on your own report.
Educational only, not a diagnosis. A single number means little without your history and the rest of your panel, so discuss your own results with your physician.
Typical adult reference band
- Adults
- 98–107 mmol/L
Labs differ. The band printed on your own report is the one that applies to your result.
Reported in mmol/L, mEq/L
Worth knowing
It moves almost in step with sodium, which is why it is read as part of a picture rather than on its own.
Have a report with this marker on it? Read it in context.
Upload it to Oraia, our health-intelligence tool, for a plain-language read of your markers that a Genoryx doctor can review.
Your biological age is a number you can measure.
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