urine osmolality test

urine osmolality test

a urine test used in the precise evaluation of the concentrating ability of the kidney. It is also used to monitor fluid and electrolyte imbalance and is valuable in the workup of patients with renal disease, the syndrome of inappropriate antidiuretic hormone secretion, and diabetes insipidus.

u·rine os·mo·lal·i·ty test

(yūr'in os-mō-lal'i-tē test)
Assessment of the concentration of urine.
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