Porphyrins (Faeces)
Clinical Biochemistry
Sample and container requirements
Stool Pot
Minimum volume required
5 g stool
Special requirements
Protect sample from light.
Patient preparation
None
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