Alert

Total Plasma Porphyrins

Tube Type = Green Top

Container Type

Protected from light

(reflexes to Porphyrin Fractionation if Total Porphyrin is >1 mcg/dL)

Test ID LAB123
EPIC ORDER PORPHYRIN, TOTAL
CPT Code(s) 84311, (82542, if reflexed)
Group/Individual Test Individual
Laboratory Core Referral Testing
Tube Station 30
Specimen Routine: 5 mL blood/dark green sodium or lithium heparin tube/lavender EDTA also acceptable; protect from light; See Comments
Micro: 3 mL blood; protect from light
Availability Routine: Reference Laboratory - Mayo Clinic Laboratories
Turnaround Time 3-6 days
Reference Range Normal: See separate report
Comments
  • Sample must be processed within 1 hour of collection.
  • Patient should abstain from alcohol for at least 24 hours prior to collection.

Reviewed by J. Carr on December 11, 2025

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514