Test Code POR Porphyrins Screen, Urine
Specimen Requirements
Specimen Type: Urine
Container/Tube: Screw-capped containers with no preservative.
Minimum volume: 20 mL
Special Instructions: Collect urine in dark brown bottle or wrap container with aluminium foil. Protect from light.
Specimen Stability
** Preferred temperatures for storage prior to and during shipping to NUH **
Specimen Type: | Urine |
---|---|
Ambient: | NA |
Refrigerate: | 3 days |
Frozen: | NA |
Days and Times Performed
Monday to Friday, TAT 4-9 days
Unacceptable Condition
Haemolysis | NA |
---|---|
Icterus | NA |
Lipaemic | NA |
Others | Specimens NOT protected from light |
Reference Values
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
Service Code
31979
Useful For
Diagnosis of porphyrias
Update
Last updated 12/04/2022