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Also known as: Na
Formal name: Sodium

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At a Glance

Why Get Tested?

To determine whether your sodium level is within normal limits; to help evaluate electrolyte balance and to help determine the cause of and monitor the treatment for illnesses associated with abnormal sodium levels in the body

When to Get Tested?

If you are experiencing dehydration, problems with blood pressure, accumulating excess fluid (edema), or have non-specific symptoms; as part of a routine health examination

Sample Required?

A blood sample drawn from a vein in your arm; sometimes a random or 24-hour urine sample

Test Preparation Needed?