Test Code PBGQ Porphobilinogen (qualitative), urine
Additional Codes
| Epic Ordering Code | LAB3040282 |
| NBS code | LBC04806 |
| Service code | 31978 |
Specimen Requirements
Submit the following:
| Container: |
| Plain Sterile Container |
Protect specimen from light by wrapping container with aluminium foil.
Processing Requirements
Protect specimen from light by wrapping container with aluminium foil.
Specimen Type: Urine
Volume: 20 mL
Storage/transport requirements: Refrigerated
Specimen Stability
| Specimen Type | Urine |
|---|---|
| Ambient | 1 day |
| Refrigerate | 2 days (Preferred) |
| Frozen | Not available |
Specimen Condition
| Haemolysis | OK |
|---|---|
| Icterus | OK |
| Lipaemia | OK |
| Others: Sample not protected from light | Reject |
Days and Times Performed
Monday through Friday, TAT 5 - 10 days
Reference Interval
An interpretive report will be provided.
Useful For
First-line test for evaluation of a suspected acute porphyria: acute intermittent porphyria, hereditary coproporphyria, and variegate porphyria.
Update
Last updated 05/08/2026
Referring / Testing Laboratory
National University Hospital
Client Services, 67724912
Testing Laboratory
Department of Pathology
Singapore General Hospital
Outram Road
Singapore 169608
63214950