Purine/Pyrimidine Screen (Urine)
Clinical Biochemistry
Sample and container requirements
Plain Spot Urine (thymol crystals or fresh)
Minimum volume required
2 mL urine
Special requirements
Store in fridge (short term) or freezer, can thaw in 1st class post.
Patient preparation
None
Sample viability
Turnaround time
28 days
Reference range
Please refer to report for reference ranges.
Clinical guidance
Please follow the link below to the referral laboratory website for more information: https://synlab.co.uk/test-database/purine-pyrimidine-screen/
Notes
Sent to Synnovis (St Thomas' Hospital)
Images to go here
This information was last updated on 19 August 2026