What is it used for?A crystals in urine test is often part of a urinalysis, a test that measures different substances in your urine. A urinalysis may include a visual check of your urine sample, tests for certain chemicals, and an examination of urine cells under a microscope. A crystals in urine test is part of a microscopic exam of urine. It may be used to help diagnose kidney stones or a problem with your metabolism, the process of how your body uses food and energy.
