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Sodium Normal Range
Category: Kidney Function TestsAlso known as: na+, serum sodium
What does it measure?
Sodium measures a key electrolyte that balances fluid levels in your body.
Reference Range
135 - 145
mEq/L
Note: Reference ranges can vary slightly between different laboratories. Always refer to the range printed on your specific lab report.
Critical Values
Values below 120 mEq/L or values above 160 mEq/L are considered critical and require immediate medical attention.
Frequently Asked Questions
What is a normal Sodium level?
A normal Sodium level for most adults is 135–145 mEq/L. This is a general reference range, and your specific laboratory may use slightly different values.
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