Urine PBG is measured for the investigation or exclusion of suspected acute porphyria in symptomatic patients. A normal PBG:creatinine ratio is strong evidence against an acute porphyria being the cause of the patient's symtoms at the time of sample collection. Contact the Duty Biochemist to arrange urgent analysis.
|Availability||Weekdays by special arrangement only. Contact Laboratory or Duty Biochemist to arrange analysis.|
|Additional Information||For non-urgent investigation of well patients or suspected cutaneous porphyrias, please request urine and whole blood porphyrin analysis.|
|Turn Around||14 days|
|Send to||Samples only accepted by prior arrangement.
Specialist Laboratory Medicine
|Collection Con||Plain random urine collected during symptomatic episode. Protect from light (envelope/black polythene/silver foil).|
|Sample REQ||Do not discard if not protected from light just comment on form. Store at 4C prior to sending.|