Urine Sample – Female (Clean Catch) This test is done to check for bladder or urinary tract infections. Follow these steps: 1. Wash your hands with soap and water. Rinse and dry your. hands well. 2. Use the urine sample kit. The kit includes a cup and 2. wipes. 3. Put a clean paper towel or cloth on a place you can. reach from the toilet. 4. Open the wipes and place them on the towel.