Library/Electrolytes/Sodium/140

Sodium of 140 mmol/LWhat it means, and what usually happens next

140mmol/L Sodium
Typical
125130135146

A sodium of 140 mmol/L is in the usual 135 to 145 mmol/L range.

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Sodium140mmol/L
Where it fallsTypical
The usual range135 to 145 mmol/L

What usually happens next

Nothing to act on; sodium mostly reflects water balance.

When a sodium can read wrong

A very high blood sugar pulls water into the blood and lowers sodium on paper. Very high triglycerides or protein can do the same on some analysers. Sodium mostly tracks water, not salt in the diet.

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Questions

Is a sodium of 140 mmol/L normal?

A sodium of 140 mmol/L is in the usual 135 to 145 mmol/L range. The usual range is 135 to 145 mmol/L.

Worked out by LifeFrom from the European hyponatraemia guideline and the usual lab range, and not yet reviewed by a clinician. For your own understanding: only a lab test, read by your clinician, diagnoses anything.