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Porphyrin / PBG, Urine (Porphobilinogen, Urine)

Includes: Uroporphyrins, Hepatacarboxylporphyrins, hexacarboxyl porphyrins, pentacarboxyl porphyrins, coproporphyrins, porphobilinogen

Container Type = Black Urine with Yellow TopContainer Type
Test ID LAB433
EPIC ORDER
 PORPHYRINS/PBG, URINE
CPT Code(s) 84120; 84110
Group/Individual Test Group
Laboratory Core Referral Testing
Tube Station 30
Specimen Routine: 30 mL random urine; protect from light; See Comments
Micro: 15 mL random urine
Availability Routine: Reference Laboratory - Mayo Clinic Laboratories
Turnaround Time 5-7 days
Reference Range Normal: See separate report
Comments
  • Patient should abstain from alcohol for 24 hours prior to collection.
  • This test should be ordered along with Aminolevulinic Acid, urine  for complete Porphyria work-up. Call Referral Testing (984-974-1414) for details.

Reviewed by J. Carr on December 12, 2025

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