Test guide
Crystals in Urine
A crystals in urine test checks a sample of your urine (pee) under a microscope to look for crystals. The test shows what the crystals are made of, how large they are, and how many are in your urine.
What it is for
A crystals in urine test may be used to help diagnose or monitor several types of medical conditions linked to crystals in urine. These conditions include: Crystals in urine testing is often part of a urinalysis , a test that measures different substances in your urine. It may be used to check your general health or to learn more about a possible health problem. A urinalysis may include a visual check of your urine sample, tests for certain chemicals, and an examination under a microscope to look for certain types of cells and crystals. Source: MedlinePlus, National Library of Medicine. Medical test information is public domain. Source identity and definition checked automatically on 2026-10-18. No individual clinical interpretation or human reviewer is asserted.
Limitations
Reference intervals and interpretation depend on the laboratory, specimen, method and clinical context. This source definition is educational information; it does not establish a diagnosis, product approval or suitability for an individual.
Also known as
- urinalysis (crystals) microscopic urine analysis, microscopic examination of urine
Reviewed products
Curated product links for this test are still under editorial review. Meanwhile, browse the product directory or request a supplier match below.