Low Chloride: what it means
A Chloride result below the normal range is considered low. Here is what a reduced Chloride can point to, and when it is worth discussing with a doctor.
Reference range: 98–107 mmol/L (most labs)
Understand your full resultWhat a low Chloride can mean
- Prolonged vomiting or gastric drainage — loss of HCl from the stomach.
- Diuretic therapy — particularly loop diuretics.
- Congestive heart failure with diuresis — combined fluid + electrolyte loss.
- Metabolic alkalosis — Cl⁻ moves out of plasma.
- SIADH, Addison's disease, severe burns — usually paired with low sodium.
When to discuss with a doctor
Isolated mildly abnormal chloride rarely needs action; it's the pattern with sodium, potassium and bicarbonate that drives the clinical picture. Values outside 95–110 mmol/L paired with another abnormal electrolyte, recent vomiting/diuretic use, or symptoms (muscle cramps, lethargy, confusion) warrant a primary-care visit. Mediora.AI shows chloride next to its electrolyte siblings so the pattern is obvious; we do not diagnose acid-base disorders.
Conditions this can relate to
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Upload your test - freeMediora.AI is informational - interpretation, not a diagnosis. A single out-of-range value is common and often benign; always discuss decisions with your doctor.