Description
Urine drainage bags collect urine. Your bag will attach to a catheter (tube) that is inside your bladder. You may have a catheter and urine drainage bag because you have urinary incontinence (leakage), urinary retention (not being able to urinate), surgery that made a catheter necessary, or another health problem.1 Jan 2023 Diagnostic Testing: Urine collection bags are used to collect urine samples for diagnostic purposes, such as urinalysis, culture, and sensitivity testing. Pediatric Care: Smaller, pediatric-sized urine collection bags are designed for use with infants and children who require urine collection for medical monitoring.