Department
Chemical Pathology
Delphic Registration Code (Alpha Code)
MAMM
Test Code (Numeric Code)
0436
Laboratory Handling
Phlebotomy
Within Middlemore Hospital: Mark as Urgent. Notify CSR when the sample is sent to the laboratory.
Transport
If sending from Manukau Health Park: Separate immediately and send on ice without delay.
Laboratory
Contact Chemical Pathology Department prior to specimen collection so that analysis can be performed with minimal delay.
Sample Stability
<30 Mins post collect RT
Synonyms
Ammonia (NH3)
Turnaround Time
30 minutes
Available 24 hours
Specimen Type
- Plasma
Specimen Requirements
Tube/Container Type:
Preferred
- EDTA (Lavender Cap)
Preferred Sample Volume (ml)
4
Paediatric Specimen Requirements
Tube/Container Type:
Preferred
- EDTA (Microtainer)
Minimum Sample Volume (ml)
1
Additional Specimen Information
Place the specimen on ice if it cannot be delivered to the laboratory within 30 minutes of collection.
Last updated: 18/08/2026