This article waslast modified on 10 July 2017.
A collection of all urine passed over a 24-hour period of time. After getting up in the morning, empty your bladder and discard that urine. Note the time. For the next 24 hours, save all urine passed in the container provided. When 24 hours are over, empty your bladder and ADD this urine to the container. Note the time. Bring the all the urine collected to the lab or doctor's surgery.