TTKG

Transtubular Potassium Gradient (TTKG): Assesses aldosterone activity and renal handling of potassium in hyper/hypokalemia.

Serum Labs

K (mEq/L)

Osm (mOsm/kg)

Urine Labs

K (mEq/L)

Osm (mOsm/kg)

Na (mEq/L)

Guidelines & Evidence

Verified

Last Review: 2026-07-17

Last Comprehensive Review: 2026-07-17

WHO NewsJul 2, 2026

Clinical Context

We think this has broad domain relevance to TTKG.

BJOGJun 25, 2026

Clinical Context

We think this has broad domain relevance to TTKG.