Porphobilinogen (PBG), Urine, Screen




Test Mnemonic

UPBG

CPT Codes

  • 84106 - QTY (1)

Aliases

  • PBG

Performing Laboratory

Cleveland Clinic Laboratories


Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
10 mLUrine, randomClean container RefrigeratedFirst morning void. Protect from light.

Minimum Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
1 mL     

Stability

Environmental Condition Description
AmbientStable protected and unprotected from light for 24 hours.
Frozen1 month
Refrigerated1 week

Days Performed

Wed

Turnaround Time

1 - 8 days

Methodology

Name Description
Spectrophotometry, Watson-Schwartz 

Reference Range

Special Info

Instruct patient to deliver urine ASAP upon collection.

Clinical Info

Rule out porphyrias