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These substances in the blood that help regulate the proper balance of body fluids. Electrolyte levels are useful in detecting kidney, heart and liver disease, and the effects of certain medications (such as diuretics or some heart pills).


Normal range:

  • Male: 135-146 mmol/L
  • Female: 132-148 mmol/L


Normal range adult: 1.6-2.4 mg/dL


Normal range adult: 3.5-5.0 mmol/L

Reviewed: 09/11

This information is about testing and procedures and may include instructions specific to Cleveland Clinic. Please consult your physician for information pertaining to your testing.

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This information is provided by Cleveland Clinic and is not intended to replace the medical advice of your doctor or health care provider. Please consult your health care provider for advice about a specific medical condition.

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