Test directory: Porphobilinogen, Quant, 24Hr Urine

Ordering Code 762
Test Name Porphobilinogen, Quant, 24Hr Urine
Alias PBG
Preferred Specimen Urine, 24 Hour
Preferred Container 24 Hour Urine Container
No Preservative
Other Specimen/Container None
Optimum Volume 2.5 mL
Collection Instructions Whenever possible, the specimen should be collected during an acute episode because porphobilinogen (PBG) may decrease rapidly upon remission.
Handling Instructions Foil specimen to protect from light.
Transport Requirements Oahu: Refrigerated
Airline: Refrigerated
Specimen Stability Ambient: Not Stable
Refrigerated: 1 Week
Frozen: 1 Month
Rejection Criteria Ambient, Not protected from light
Avail. Stat NO
Analytic Time 7 Days
Methodology Chromatography/Mass Spectrometry
Reference Lab  Quest Diagnostic Lab-NI

Reference range(s)

The reference ranges listed below are valid on this date of July 13, 2025.
Component Age Male Norm Male Critical Low Male Critical High Female Norm Female Critical High Female Critical Low Units Add'l info
Total Volume ALL See report.
Porphobilinogen, 24 Hr Urine ALL See report.
Interpretation ALL See report.