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| Laboratory | Exult Diagnostics, Dr. Lal PathLabs |
|---|
₹ 750
| EX0726 FRACTIONAL EXCRETION OF SODIUM | |||||||
| Specimen: | 3 mL (2 mL min.) serum from 1 SST AND 10 mL (5 mL min.) aliquot of random urine in a sterile screw-capped container. Ship refrigerated or frozen. | ||||||
| Stability: |
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| Method: | Jaffe’s reaction, Indirect ISE | ||||||
| Comment: | |||||||
| Report: | Contact us to know the TAT. | ||||||
| Usage: | Fractional excretion of Sodium (FeNa) is the fraction of filtered sodium load that is reabsorbed by the tubules and is a measure of both the kidney’s ability to reabsorb sodium as well as endogenous and exogenous factors that affect tubular reabsorption. With prerenal azotemia, FeNa is usually <1% suggesting avid tubular sodium reabsorption. Low FeNa is often seen in Glomerulonephritis, hence should not be considered synonymous with intravascular volume depletion and should not be used as a sole guide for volume management. In ischemic AKI, FeNa is frequently >1% because of tubular injury and resultant inability to reabsorb sodium. | ||||||
| Doctor Specialty: | Nephrologist | ||||||
| Disease: | Disorders of Kidney | ||||||
| Components: | *Creatinine, serum *Creatinine, urine *Sodium, serum *Sodium, urine | ||||||
| Courier Charges: | 0.00 | ||||||
| Home Collection: | Available (*T&C Apply) | ||||||
| Department: | Biochemistry | ||||||
| Pre Test Information: | No special preparation required | ||||||
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