Faecal Porphyrin screen

The porphyria service is one of four Supraregional Assay Service (SAAS) designated sections within the Department of Clinical Biochemistry and one of only two SAAS porphyria laboratories in the UK. Intermediates of haem biosynthesis are measured in biological specimens (urine, faeces and blood) using techniques such as ion-exchange chromatography, fluorimetry and HPLC. The laboratory is UKAS accredited, a member of the European Porphyria Initiative (EPI), and participates in WEQAS and RCPA-Australian EQA schemes.
Reference range: 

Please contact the laboratory.

Sample type and Volume required: 
Fresh stool sample Plain Universal container. Samples should be protected from light.
Turnaround time: 
1-2 weeks.
Special sample instructions: 

Specimens should be protected from light

Reference Biochemistry Department at King's College Hospital
020 3299 4107
King's College Hospital
Denmark Hill
London SE5 9RS
Porphyrins and Gastrointestinal Laboratory at King's College Hospital
Porphyrins - 020 3299 3856, Gut Permeability - 020 3299 4133
King's College Hospital
Denmark Hill
London SE5 9RS
For clinical advice or interpretation of results, please contact the laboratory in the first instance.

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Last updated: 04/01/2019