The Leeds Teaching Hospitals NHS Trust

Porphyrins (blood)

Porphyrins (blood)

Intermediate products of haem synthesis. Clinical indication for requesting: Investigation of all types of acute porphyria and all types of cutaneous porphyria. If an acute porphyria is suspected, it is essential to request a urine PBG. Urgent PBG analysis is available: urgency will depend upon the clinical condition of the patient and should be discussed with the National Acute Porphyria Service 029 2074 7747.

Tube 03 (EB) - EDTA Blood
ID Tests&Tubes0233
Additional Information Please also send 10-20 mL early morning urine if acute or cutaneous porphyria is suspected. PROTECT SAMPLES FROM LIGHT.
Turn Around Turnaround time stated by Cardiff porphyria service: 10 working days
Send to Blood Sciences LGI
(Test referred to: Cardiff porphyria service.)
Contact For further details please contact Leeds Pathology customer services: leedsth-tr.pathologycustomerservice@nhs.net.
Collection Con Please also send an early morning urine sample. PROTECT ALL SAMPLES FROM LIGHT. Instructions to lab: If one EDTA sample received, DO NOT CENTRIFUGE. If 2x EDTA samples are received, send 1x whole blood and 1x plasma (centrifuged). Store in fridge until dispatch to Cardiff. Note on telepath (specimen comment) whether sample was light-protected. Samples that have not been protected from light are ok to send to Cardiff if < 6h. Samples exposed to light for > 6h should not be sent.
Sample REQ Blood
Ref. Range Notes Interpretation will be provided with the report.
Telepath LGI superset LPORBR. SJUH superset JPORBR.