Testing Laboratory
Auckland Te Toka Tumai | Auckland HospitalDepartment
Chemical Pathology
Delphic Registration Code (Alpha Code)
SLDH
Test Code (Numeric Code)
0138
Laboratory Handling
Separating
If separation of blood is delayed for more than 3h, LDH leaks from red cells and falsely elevated LDH activity levels will be seen.
Sample Stability
7 days at 15-25°C, 4 days at 2-8°C, 6 weeks at -20°C
Synonyms
LD, LDH
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)
Preferred Sample Volume (ml)
4.5
Minimum Sample Volume (ml)
3.5
No of Samples Required
1
Paediatric Specimen Requirements
Tube/Container Type:
Preferred
- Lithium Heparin PST- Gel (Light Green Cap)
Acceptable
- Lithium Heparin - Non-gel (Green Cap)
- Plain (Red Top)
Preferred Sample Volume (ml)
0.5
Minimum Sample Volume (ml)
0.5
Additional Specimen Information
0.5 mL Paediatric Microtainer PST Blood (Preferred)
0.5 mL Paediatric Microtainer Heparin Blood
0.5 mL Paediatric Microtainer Plain Blood
Last updated: 14/08/2026