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Transtubular Potassium Gradient (TTKG)

Purpose:

To calculate the transtubular potassium gradient (TTKG).

Specialty:

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

Objective:

laboratory tests

ICD-10:

E27.4

Description:

The transtubular potassium gradient estimates the electrochemical gradient for potassium secretion at the distal potassium secretory site and has been proposed as an estimate for the driving force for tubular potassium secretion. The test can be used in the diagnosis of hypoaldosteronism.

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