What Is Urinalysis?
Urinalysis is a simple and commonly used test that examines a urine sample to learn important information about a person’s health. It is often one of the first tests ordered when someone has symptoms related to the urinary system, such as pain while urinating, frequent urination, strong-smelling urine, or visible blood in the urine. It is also used in routine check-ups, pre-surgery assessments, pregnancy care, or monitoring certain health conditions. A urinalysis looks at urine in three main ways: its appearance, its chemical makeup, and sometimes the cells or substances seen under a microscope. The color and clarity of urine can provide early clues. For example, cloudy urine may suggest infection, and dark urine may indicate dehydration. Chemical testing is performed using a dipstick strip placed in the urine. This strip changes color based on what is present in the sample. It can detect substances such as protein, glucose, blood, ketones, bilirubin, or signs of infection. These findi...