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HelpTest Code POR Porphyrins Screen, urine
Specimen Requirements
Specimen Type: Urine
Container/Tube: Screw-capped containers with no preservative.
Minimum volume: 20.0 mL
Special Instructions: Collect urine in dark brown bottle or wrap container with aluminium foil. Protect from light.
Specimen Stability
| Specimen Type | Urine |
|---|---|
| Ambient | Not available |
| Refrigerate | 3 days |
| Frozen | Not available |
Days and Times Performed
Monday through Friday, TAT 4 - 9 days
Specimen Condition
| Haemolysis | OK |
|---|---|
| Icterus | OK |
| Lipaemia | OK |
| Others: Specimens NOT protected from light | Reject |
Reference Interval
Negative for Coproporphyrin and Uroporphyrin
Referring / Testing Laboratory
National University Hospital
Clinical Chemistry, 67724346
Testing Laboratory
Department of Pathology
Singapore General Hospital
Outram Road
Singapore 169608
63214950
Useful For
Diagnosis of porphyrias
Service Code
31979
Update
Last updated 12/12/2024