Urinalysis

Source: MedlinePlus Health Topics, U.S. National Library of Medicine

Last synced 8/7/2026Status: primary verified

A urinalysis is a test of your urine . It is often done to check for a urinary tract infection , kidney problems , or diabetes . You may also have one during a checkup, if you are admitted to the hospital, before you have surgery, or if you are pregnant. It can also monitor some medical conditions and treatments. A urinalysis involves checking the urine for: Its color Its appearance (whether it is clear or cloudy) Any odor The pH level (acidity) Whether there are substances that are not normally in urine, such as blood, too much protein, glucose, ketones, and bilirubin Whether there are cells, crystals, and casts (tube-shaped proteins) Whether it contains bacteria or other germs

Educational only

This information is for general education and is not medical advice. Always talk to a licensed U.S. clinician about your situation, medications, or treatment decisions.