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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