Testing Laboratory
Auckland Te Toka Tumai | Auckland HospitalDepartment
Microbiology
Delphic Registration Code (Alpha Code)
GXTB
Test Code (Numeric Code)
2460
Laboratory Handling
Sample Stability
24 Hours
Synonyms
MTB Complex DNA Detection
TB PCR
Tuberculosis PCR
Turnaround Time
48 hours
Turnaround time excludes weekends and public holidays. Please discuss with the Clinical Microbiologist if urgent or non-routine specimens.
Specimen Type
- Aspirate
- Bone Marrow
- Fluid Other
- Pleural Fluid
Specimen Requirements
Tube/Container Type:
Preferred
- EDTA (Lavender Cap)
Acceptable
- Specimen Container
- Citrate (Blue Cap)
- CPD (Yellow Top Tube)
- Plain (Red Top)
Preferred Sample Volume (ml)
10
Minimum Sample Volume (ml)
5
Paediatric Specimen Requirements
Tube/Container Type:
Preferred
- EDTA (Lavender Cap)
Acceptable
- Specimen Container
- Citrate (Blue Cap)
- CPD (Yellow Top Tube)
- Plain (Red Top)
Preferred Sample Volume (ml)
10
Minimum Sample Volume (ml)
5
Additional Specimen Information
Bone Marrow: Collect into EDTA or CPD tube. All other fluids from sterile sites: Collect into Citrate, EDTA or CPD tube or appropriate sterile container.
Please note that EDTA is NOT ACCEPTABLE for Mycobacterial culture, only for PCR, if culture is required it is recommended to send in a plain sterile container.
Last updated: 13/04/2026