Essential first-line test for suspected acute porphyria in adults. Use in determining metabolic response to IV hematin.
Quantitative Ion Exchange Chromatography/Spectrophotometry
Protect from light. Transfer an 8 mL aliquot from a well-mixed collection to ARUP Amber Transport Tubes. (Min: 3.5 mL)
Body fluids other than urine.
Ambient: Unacceptable; Refrigerated: 4 days; Frozen: 1 month
|Porphobilinogen (PBG), Urine-per volume||0.0-8.8 µmol/L|
|Porphobilinogen, Rndm Urn-ratio to CRT||No reference interval (mg/g crt)|
This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.
Laboratory Developed Test (LDT)
Appropriate test to rule out acute intermittent porphyria (AIP) and other acute attacks of other types of porphyrias associated with neurologic and/or psychiatric symptoms.
|Component Test Code*||Component Chart Name||LOINC|
|0020207||Creatinine, Urine - per volume||2161-8|
|0080262||Porphobilinogen (PBG), Urine -per volume||2811-8|
|2011477||Porphobilinogen, Rndm Urn-ratio to CRT||13797-6|
- PBG, Quantitative
- Watson-Schwartz Test