Testing Laboratory
Auckland Te Toka Tumai | Auckland HospitalDepartment
Chemical Pathology
Delphic Registration Code (Alpha Code)
FPOR (faeces)
Test Code (Numeric Code)
746
Laboratory Handling
Transport
URGENT - Must be hand delivered at all times from all locations - Must be protected from light - If after hours bring sample to the attention of Automation staff.
Laboratory
LabPLUS Special Chemistry
Sample Stability
36 hours at 2-8°C
Up to 6 months frozen
Synonyms
Porphyria screen
Faecal porphyrins
Stool porphyrins
Porphyria
Turnaround Time
2 weeks
Faecal screens will be performed within 1-2 weeks. For samples with a positive screen, a porphyrin profile will be performed within the next 3 weeks.
Specimen Type
- Faecal
Specimen Requirements
Tube/Container Type:
Preferred
- Faeces Container (White Lid)
- Please refer to Additional Information below
Paediatric Specimen Requirements
Tube/Container Type:
Preferred
- Faeces Container (White Lid)
Pre-testing Requirements
3g of faeces is required for testing
Additional Specimen Information
As porphyrins are light sensitive, all specimens must be kept in the dark; usually this is done by wrapping the specimen in foil.
Porphyrin profile (HPLC analysis) will be done automatically if the total faecal porphyrins are increased.
Last updated: 31/08/2026