Sample type: Faeces
Test name: Porphyrins
Condition / Indication: Porphyria - Confirmation of diagnosis
Special precautions & notes: Please discuss request with laboratory. Once collected, protect sample from light at all times (wrap in foil, place in thick brown envelope), and send immediately.
Reference range: Total faecal porphyrin: <200 nmol/g dry weight.
Container: Blue top universal with spoon
Ideal volume (mL): 5 g
Referred outside NBT for analysis? Yes
Discipline: Clinical Biochemistry
Turnaround time: 15 days
Referral location: Porphyria Service, Medical Biochemistry (Upper Ground floor), University Hospital of Wales, Heath Park, Cardiff, CF14 4XW