24-hour urine collections

How to prepare

​

• Continue with your usual diet and routine, unless otherwise advised by your doctor

​​

• Avoid strenuous physical activity during the collection period

​​

• Follow any specific dietary restrictions advised by your doctor

​​

• Make a note of all medicines taken during the collection period

​​

How to carry out the collection

​

• Upon waking (e.g. 7.00 am), empty your bladder completely into the toilet and discard this first urine sample

​​

• Make a note of the start time of the collection

​​

• From this point onwards, collect ALL urine passed over the next 24 hours in the container provided

​​

• Store the container in a cool place or in the fridge during the collection period

​​

• The following morning, at the same time as the start (7.00 am), empty your bladder again and collect this final urine sample as well

​​

• Measure the total volume if required

​​

• Mix thoroughly and transfer a sample to the designated container if instructed to do so

​​

• Deliver promptly to the laboratory

​

Useful information

It is essential to collect ALL urine passed, without missing any voids. If you miss a collection, the test must be repeated. Some tests require specific preservatives in the container: follow the laboratory’s instructions.