Testing Laboratory
Auckland Te Toka Tumai | Auckland HospitalDepartment
Chemical Pathology
Delphic Registration Code (Alpha Code)
B12
Test Code (Numeric Code)
1421
Laboratory Handling
Registration
Requests for B12 and Folate - Labplus Order Code: Alpha Code: HBFO, Numeric Code:1500 Labplus Fee Code: Alpha Code:B H8
Sample Stability
2 hours at 15-25°C, 48 hours at 2-8°C, 56 days at -20°C
Associated Tests
Synonyms
B12, Cobalamin
Turnaround Time
1 day
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)
Preferred Sample Volume (ml)
5
Minimum Sample Volume (ml)
3.5
No of Samples Required
1
Paediatric Specimen Requirements
Tube/Container Type:
Preferred
- Plain (Red Top)
Acceptable
- SST II (Gold Cap)
Preferred Sample Volume (ml)
0.5
Minimum Sample Volume (ml)
0.5
Additional Specimen Information
0.5 mL Paediatric Microtainer Plain Blood (Preferred)
0.5 mL Paediatric Microtainer SST Blood
Last updated: 19/08/2026