Urine Porphyrin Screen


Analytical Range:

Time Limit for Add on Tests:
Not applicable

Target Turnaround time:
2 hours

Further Information from LabTestsOnline

Sample Requirements

  • Urine - Plain White Top Universal
  • Protect from light
  • Preferably early morning sample
  • Dilute urine unsuitable

North Devon District Hospital (24/7)

Reference Range:
Urine Total Porphyrins: 20 – 320 nmol/L
Urine Porphyrin:Creatinine Ratio: 0 - 34 nmol/mmol

Samples will be sent to an External laboratory for confirmation if not on a patient with a confirmed diagnosis of porphyria.

Last updated: November 23, 2020