Testing Laboratory
Auckland Te Toka Tumai | Auckland HospitalDepartment
Immunology
Delphic Registration Code (Alpha Code)
C5B9
Test Code (Numeric Code)
7371
Laboratory Handling
Phlebotomy
EDTA Plasma
Transport
Specimens must be transported and stored at 4°C
Registration
C5B9
Laboratory
Labplus Autoimmune Serology
Sample Stability
Specimens must be centrifuged at 4°C within 4 hours of collection, separated and stored at -20°C or lower
Synonyms
Complement C5b-9 complex
Terminal Complement Complex (TCC)
Membrane Attack Complex (MAC)
Soluble C5b-9 (sC5b-9)
Complement activation
Terminal complement activation.
Turnaround Time
6 weeks
For non-liver transplant specimens
Specimen Type
- Plasma
Specimen Requirements
Tube/Container Type:
Preferred
- EDTA (Lavender Cap)
Preferred Sample Volume (ml)
4
Minimum Sample Volume (ml)
2
No of Samples Required
1
Paediatric Specimen Requirements
Tube/Container Type:
Preferred
- EDTA (Lavender Cap)
Acceptable
- EDTA (Microtainer)
Preferred Sample Volume (ml)
2
Minimum Sample Volume (ml)
1.5
Pre-testing Requirements
A dedicated blood specimen is required for this analysis
For urgent liver transplant specimens only:
1) Phone the laboratory before the specimen is taken
2) Hand-deliver the specimen to the laboratory
Additional Specimen Information
Information for the laboratory
A dedicated blood specimen is required for this analysis
Urgent specimens (only for liver transplant patients, with the specimen hand delivered from DCCM):
- Notify Paul Austin (Serology Section Lead), 022 632 1554
- Centrifuge specimen at 4°C and retain under refrigeration for collection by VIM staff
All other specimens:
- Monday to Friday: 0800-1630 (standard working hours)
- Weekends and Public Holidays: register, centrifuge specimen, remove all plasma and store in the designated C5B9 area in ALSS freezer 36
Last updated: 23/09/2026