Testing Laboratory
Auckland Te Toka Tumai | Auckland HospitalDepartment
Chemical Pathology
Delphic Registration Code (Alpha Code)
PHB
Test Code (Numeric Code)
0327
Laboratory Handling
Separating
Laboratory: separate plasma from red cells if stored longer than 2 hours.
Sample Stability
Sample stable for 6 days at 4°C and 30 days at -20°C
Synonyms
plasma free haemoglobin, plasma free Hb, and PHB
Turnaround Time
3 hours
Specimen Type
- Plasma
Specimen Requirements
Tube/Container Type:
Preferred
- Lithium Heparin PST- Gel (Light Green Cap)
Acceptable
- Lithium Heparin - Non-gel (Green Cap)
Paediatric Specimen Requirements
Tube/Container Type:
Preferred
- Lithium Heparin PST- Gel (Light Green Cap)
Acceptable
- Lithium Heparin - Non-gel (Green Cap)
Additional Specimen Information
4.5 mL PST Blood (Preferred)
Heparin 5 mL Heparin Blood
Last updated: 26/03/2026