Test directory: Porphobilinogen, Quant, Random Ur

Ordering Code243
Test NamePorphobilinogen, Quant, Random Ur
Preferred SpecimenUrine, Random
Preferred ContainerSterile Container
No preservative.
Other Specimen/ContainerRandom Urine in Clean Container
Optimum Volume2.5 mL
Collection InstructionsWhenever possible, the specimen should be collected during an acute episode because porphobilinogen (PBG) may decrease rapidly upon remission.
Handling InstructionsFoil specimen to protect from light.
Transport RequirementsOahu: Refrigerated
Airline: Refrigerated
Specimen StabilityAmbient: Not Stable
Refrigerated: 1 Week
Frozen: 1 Month
Rejection CriteriaAmbient, Not protected from light
Avail. StatNO
Analytic Time7 Days
MethodologyChromatography/Mass Spectrometry
Reference Lab Quest Diagnostic Lab-NI