Porphobilinogen, Urine Quant




Test Mnemonic

UPBGQT

CPT Codes

  • 84110 - QTY (1)

Aliases

  • PBG, Urine

Includes

  • Porphobilinogen
  • Creatinine

Performing Laboratory

ARUP


Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
8 mLUrine, 24-hour (well-mixed)Clean containerRefrigerate during collection.FrozenProtect specimen from light.
8 mLUrine, randomClean container FrozenProtect specimen from light.

Minimum Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
3.5 mL     

Stability

Environmental Condition Description
AmbientUnacceptable
Refrigerated4 days
Frozen1 month

Days Performed

Mon - Fri

Turnaround Time

2 - 5 days

Methodology

Name Description
Ion Exchange Chromatography/Spectrometry (IECS) 

Reference Range

Porphobilinogen
Sex Age From Age To Type Range Range Unit
       Normal24 hr collection: 0.0 - 11.0umol/d
       NormalRandom collection: 0.0 - 8.8umol/L

Special Info

Indicate total volume and time of collection on requisition. Body fluids other than urine are unacceptable.

Clinical Info

Appropriate test to rule out acute intermittent porphyria (AIP) and other acute attack types of porphyrias associated with neurologic and/or psychiatric symptoms.