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ID:640 Porphyrins (Blood)
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DescriptionIntermediate products of haem synthesis.
IndicationInvestigation of all types of acute porphyria and all types of cutaneous porphyria.
Additional InfoIf 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 Dr Barth (switchboard) or the National Acute Porphyria Service 029 2074 7747. Blood porphyrin analysis is not available as an urgent test.
Concurrent TestsPlease also send 10-20 mL early morning urine if acute or cutaneous porphyria is suspected.
Dietary Requirementsna

DepartmentSpecialist Laboratory Medicine
TubeEDTA (Haem)
Tube Picture
Collection ConditionsNo restrictions but protect samples from light exposure. Placing sample in an envelope, wrapping in tin foil or black polythene is good enough for this.
Min. Vol 2 x 5 mL EDTA

Ref. Range (Male)N/A
Ref. Range (Female)N/A
Ref. Range (Paed)N/A
Ref. Range NotesFull reports from the referral lab will be uploaded onto PPM+
Units - Not Defined -
IP Acute TAT- Contact Laboratory
IP Routine TAT2 - 3 weeks
GP Acute TAT- Contact Laboratory
GP Routine TAT2 - 3 weeks
Turnround CommentContact laboratory prior to sending sample if urgent.

Originally edited by : TJD. Review due on 04/07/2019 08:34:01. Published By RB on 04/07/2018 08:34:01.