The test is used for the investigation of metabolic diseases, among other things. The consistency of urine changes during the day, which is why the collection period lasts 24 hours.


Consult the attending unit about the discontinuation of medication.

Changes in urine during storage

Changes occur in urine during storage. They are a result of chemical reactions and bacterial effects. Make sure to seal the collecting containers tightly during and after collection. Store the collecting containers in a cool place (+2ºC ‐ +8ºC) during and after the collecting period.

Start of collection

Empty your bladder. This urine is not collected. Write down the collection start time to an accuracy of one minute.

____/____20__at ____:_____

Collect all urine excreted after this point of time into the collecting container. If one container is not enough, start collecting into a second one.

End of collection

Empty your bladder for the last time exactly 24 hours after the start of collection. This is the last batch of urine to be collected. The sample collection ends here. Write down the time of the last urine batch to an accuracy of one minute.

____/____20___at ____:____

Wipe the outer surface of the collecting container dry.

The name tag is necessary for identifying the sample

Stick a label on to the container. Write on it your

  • name
  • social security number
  • start and end of collecting (dates and times to an accuracy of one minute)

Deliver the collecting containers to the laboratory on the next working day, during the laboratory’s opening hours. If necessary, the collecting containers can be stored in a cool place for the weekend.

Further information

For more information, please contact the customer service of Fimlab Laboratoriot Oy, tel. 03 31174445 on weekdays from 8 a.m. to 4 p.m., or the customer service of the Ostrobothnia region, tel. (06) 213 1626.