Porphobilinogen, Qualitative
Label Mnemonic: PBG
Epic Lab Code: LAB664
Downtime Form: A-1a General Laboratory Requisition
Chemistry
6240 RCP
356-3527
Specimen(s):
Urine, Random More information
Specimen Instructions:
Random urine collection in dark plastic container or wrap yellow round bottom tube in foil to shield from light, no preservative.
Collection Medium:
Yellow top round bottom tube (no additive)
Alternate Collection Media:
Call laboratory for additional acceptable specimen collection containers.
Minimum:
1 mL random urine
Delivery Instructions:
Wrap specimen in aluminum foil to protect from light.
Testing Schedule:
0700-2200 Daily.
For additional services contact Clinical Pathology Resident on-call at pager #3404.
Turn Around Time:
3 hours (upon receipt in laboratory)
Reference Range:
Negative
Comments:
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 link below).
Methodology:
Colorimetric
CPT Code:
84106
 
See also:
Porphyrins & Porphobilinogen, Urine (24 hr or random)