e/Fluid deprivation test

Information
has gloss	eng: A fluid or water deprivation test is a medical test for the purposes of diagnosing the causes of polydipsia, a condition of excessive thirst that causes an excessive intake of water. The patient is required, for a prolonged period, to forgo intake of water completely, to determine the cause of the thirst.
lexicalization	eng: Fluid deprivation test
instance of	(noun) an assay conducted for diagnostic purposes diagnostic assay, diagnostic test