In medicine,<unk>  denotes the presence of bacteria in urine not due to contamination from urine sample collection.
Urine is normally a sterile bodily fluid when inside the bladder, but can pick up commensals and pathogens when exiting through the urethra. Bacteria in the urine, especially gram-negative rods, usually indicate a urinary tract infection (either cystitis or pyelonephritis), although<unk>  can also occur in prostatitis. Escherichia coli is the most common bacterium isolated from urine samples.
Asymptomatic<unk>  is<unk>  without accompanying symptoms of a urinary tract infection (such as frequent urination, painful urination or fever). It is more common in women, in the elderly, in residents of long-term care facilities, and in patients with diabetes, bladder catheters and spinal cord injuries. Patients with a long-term Foley catheter uniformly show<unk> .
Bacteriuria
Leukocyturia
Pyuria
Proteinuria
Pneumaturia
Crystalluria
Anuria
Leukocytosis