Biochemistry

Full details for "PBG Quantitative".

Name

PBG Quantitative

Alternative name/Profile

Porphobilinogen

Department

Biochemistry

Investigation

PBG is used to determine whether a porphyria patient is having an acute attack. It is also used to aid in the diagnosis and monitoring of porphyria patients. See related links below for full details of investigation requirements

Specimen type

Random Urine. Protect samples from light and refrigerate.

Sample type

Sample container & volume

5 mL Universal container protected from light e.g. wrapped in aluminium foil.

Frequency of analysis

Weekly.

Turnaround time

Normally 7 - 10 working days. Contact 01 4162058 if required urgently.

Availability

Available routinely.

Notes

Optimal time for collection is during suspected acute attack.

Appropriate clinical details, current medication and family history (if known) are required.

If a delay is expected, refrigerate sample for up to 24 hours, but if greater delay is expected (over weekend), please freeze and send frozen

If an Acute Attack is suspected, please send a random urine sample immediately to the Porphyrin laboratory. During 9-5 Monday to Friday please contact the Porphyrin laboratory at 01-4162058 to inform staff of sample. Out of hours please contact the Biochemistry Department on-call staff member.

Porphyrin Request Form:

Clinical Interpretation and Relevance of Porphyrin Precursor Results:

http://www.stjames.ie/media/WI-BIO-0277.pdf

Reference range