24 Hour Urine Test Patient Information Sheet
Your Doctor has asked you to perform a 24 hour urine collection; please follow these
instructions carefully

write your name and date of birth on the container
 at the start of the collection period empty your bladder and discard the urine; write
the time on the container
 during the next 24 hours put all urine that is passed into the container
 do not urinate directly into the container. Use a clean container (such as a jug) to
transfer the urine to the bottle
 end the collection exactly 24 hours after the start time by emptying your bladder and
adding the urine to the container
 take the completed collection to your GP or the Pathology Reception at Derriford
Hospital as soon as possible with the green request form
 check the cap is firmly in place before transporting the container and after each
addition of urine
…………………………………………………………………………………………….
SAFETY PRECAUTIONS FOR ACIDIFIED COLLECTIONS
 do not empty the container; it contains strong acid preservative which may cause severe burns
 do not urinate directly into the container. Use a clean container (such as a jug) to transfer the urine to
the bottle
SPECIAL DIETARY REQUIREMENTS FOR 5HIAA MEASUREMENT


avoid the following for 3 days before, and during the period of, the urine collection - avocados, bananas,
chocolate, eggplants, figs, grapes, kiwifruit, nuts, pineapple, plums, tomato (or juices made from these
products).
list all medications (especially antihypertensives and antidepressants) on request form.