The ADH test analyses the amount of ADH present in the blood.
This test is mainly used to diagnose and determine the main causes of oversecretion and the deficiency of the antidiuretic hormone in the blood cells. This test is often based on osmolality as well as electrolytes of blood and urine.
As per reports, the normal range for ADH is 1-5 picograms per millilitre (pg/mL).