For Patients

Urine Specimens for Creatinine Clearance and Cytology


Important – Specimen labeling and delivery:

  • Ensure full first and last names and date of birth (dd/mm/yy) are clearly written on the specimen container
  • Ensure date and time of collection is written on the request form and specimen container
  • Take the specimen to a Labtests Collection Centre as soon after collection as possible

(Tick appropriate box)


You have been provided with a 24 hour urine container and urine punnets to collect a 24 hour urine sample.


  • Start the urine collect early in the morning and record the date and time on the 24 hour urine container label.
  • Completely empty bladder at this time and DISCARD the urine.
  • During the next 24 hours, collect ALL urine passed into the clean urine punnet and transfer into the 24 hour urine container.
  • Exactly 24 hours after the start time, empty your bladder, collect the urine and transfer to the 24 hour urine container.
  • Record the completion date and time on the 24 hour urine container label.
  • If more than one 24 hour urine container is used, label the bottles 1 and 2.
  • Store the 24 hour urine collect in a cool place.
  • Maintain good fluid intake during urine collection. Avoid vigorous exercise during the test period (24 hours)
  • Avoid taking Cortisol inform your Doctor
  • Deliver container and form to the Collection Centre and a blood test will be taken


  • Three specimens are collected on different days and each specimen must be delivered daily to the Collection Centre on the day of collection.
  • Drink as much fluid as possible and collect specimen mid-morning (the first  urine in the morning should not be used).  A minimum of 50ml urine is required in the container provided
  • Write your full name (first name and last name) and date of birth (dd/mm/yy) clearly on the container and either Specimen 1,2 or 3
  • Ensure date and time of collection are written on the form
  • Take each specimen (and form) into the Collection Centre each day as soon after collection as possible.  Refrigerate if delay anticipated.

Date Issued: 05/01/2021 PCS-PI-008

Authorised by: HOD, Patient Services