Porphyrins (Urine)
Clinical Biochemistry
Sample and container requirements
Plain Spot Urine
Minimum volume required
2 mL urine
Special requirements
Protect sample from light.
Patient preparation
Preferably early morning sample.
Sample viability
Turnaround time
21 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://cavuhb.nhs.wales/our-services/laboratory-medicine/medical-biochemistry-and-immunology/porphyria-service-cardiff/sample-advice/
Notes
Sent to University Hospital of Wales
Images to go here
This information was last updated on 19 August 2026