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Renal Failure Index (RFI)

Purpose:

To evaluate a patient with oliguria using the renal function index (RFI).

Specialty:

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

Objective:

severity, prognosis, stage

ICD-10:

N17

Description:

The renal failure index measures sodium conservation and concentrating ability. It is chiefly of use in oliguric patients for the early differentiation of prerenal azotemia from acute tubular necrosis.

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