Pyuria is a condition defined by the increased presence of white blood cells in urine. Although a urinary tract infection is the most common cause of sterile pyuria, other conditions may be involved.

Urine naturally contains bacteria. While the level of bacteria may be low, the presence of any bacteria prevents something from being sterile. If drinking urine was your survivalist backup plan, we’ve ...

A doctor may request a bilirubin urine test if you have risk factors or symptoms of conditions affecting the liver, gallbladder, or bile ducts. You may need a rapid urine test or a 24-hour collection, ...

Epithelial cells line various surfaces of the body, including the skin, blood vessels, organs, and urinary tract. A raised amount of epithelial cells in a person’s urine may indicate an underlying ...