Random urine collection in dark plastic container or wrap yellow
round bottom tube in foil to shield from light, no preservative.
|Yellow top round bottom tube (no additive)
Call laboratory for additional acceptable specimen collection containers.
1 mL random urine
Wrap specimen in aluminum foil to protect from light.
For additional services contact Clinical Pathology Resident on-call at
3 hours (upon receipt in laboratory)
Screen uses the Hoesch test and can be done on random specimen. If
screening results are positive and if clinically indicated,
quantitative fractionation of porphyrins and porphobilinogen can be
determined by the mail-out test Porphyrins & Porphobilinogen (PBG) (see