Email this page To: From: Subject: Message: Timed urine collections - Learn how to collect urine for testing. Lab tests tell our medical team how well your child’s kidneys are working. Read urine collection tips. - https://www.stjude.org/treatment/patient-resources/caregiver-resources/patient-family-education-sheets/procedures-tests-sedation/timed-urine-collections.html A summary of this page will be sent along with your message I am a referring physician Yes, I would like to receive email updates. Send Email Your message has been emailed successfully. Thank you for your interest in St. Jude Children's Research Hospital.