Overview
The urine concentration test is a test that measures whether the kidneys are conserving or excreting water properly. A sample of urine is retrieved and tested for its specific gravity.
Review Date 8/20/2023
Updated by: Jacob Berman, MD, MPH, Clinical Assistant Professor of Medicine, Division of General Internal Medicine, University of Washington School of Medicine, Seattle, WA. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.