Question: what does it mean if you have a trace of leukocytes in your urine?
Answer: Bladder infections Share on Pinterest A high number of leukocytes in the urine may indicate the presence of a urinary tract infection. A urinary tract infection (UTI) is a common cause of leukocytes in the urine. A UTI can affect any part of the urinary system, including the bladder, urethra, and kidneys.