Thoroughly wash the area around the urethra. For males, the entire penis can be placed in the bag and the adhesive attached to the skin. For females, the bag is placed over the labia. Check your baby frequently and remove the bag after the infant has urinated into it. The urine is drained into a container for transport back to the health care provider.
Epithelial cells line the urinary tract and are normally shed into the urine.
The urine is examined for the presence of abnormal cells which may indicate cancer of the kidney , ureters, bladder, or urethra. The urine sample is processed in the laboratory and examined under the microscope for the presence of abnormal cells. How to prepare for the test Collect a clean catch urine sample 3 hours after the last voiding. The first morning voided specimen should not be used. If the collection is being taken from an infant, a couple of extra collection bags may be necessary.