- Oct 25, 2007
Been seeing a urologist now for 3 months and still have no answers on what's wrong with me....

This test measures the amount of potassium in the blood. Potassium (K+) helps nerves and muscles communicate. It also helps move nutrients into cells and waste products out of cells.
Potassium levels in the body are mainly controlled by the hormone aldosterone.
See also: Aldosterone test
Hypokalemia test; K+