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Fractional Sodium Excretion

Purpose:

To evaluate the kidney's ability to conserve sodium.

Specialty:

Nephrology, Urology, Obstetrics & Gynecology, Pedatrics, Genetics
Clinical Laboratory

Objective:

laboratory tests

ICD-10:

R94.4

Description:

The fractional sodium excretion is an index of renal ability to conserve sodium and represents the percent of filtered sodium to reach the urine.

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