Testing Laboratory
Auckland Te Toka Tumai | Auckland HospitalDepartment
Chemical Pathology
Delphic Registration Code (Alpha Code)
PHEB
Test Code (Numeric Code)
0950
Laboratory Handling
Sample Stability
7 days at 25°C, 7 days at 2-8°C, 1 year at -20°C
Synonyms
Mysoline
Plasma Phenobarbitone
Serum Phenobarbitone
Turnaround Time
3 hours
Specimen Type
- Plasma
- Serum
Specimen Requirements
Tube/Container Type:
Preferred
- Lithium Heparin PST- Gel (Light Green Cap)
Acceptable
- Lithium Heparin - Non-gel (Green Cap)
- Plain (Red Top)
- SST II (Gold Cap)
Paediatric Specimen Requirements
Tube/Container Type:
Preferred
- Heparin (Microtainer)
Acceptable
- Plain(Microtainer)
- SST(Microtainer)
Additional Specimen Information
PST 4.5 mL PST Blood (Preferred)
Micro-PST 0.5 mL Paediatric Micro-PST Blood (Preferred)
Heparin 5 mL Heparin Blood
Plain 4 mL Plain Blood
SST 3.5 mL SST Blood
Microsample 0.5 mL Paediatric Microsample Blood
Micro-heparin 0.5 mL Paediatric Micro-heparin Plasma
Micro-SST 0.5 mL Paediatric Micro-SST Serum
Last updated: 31/03/2026