Testing Laboratory
Auckland Te Toka Tumai | Auckland HospitalDepartment
Chemical Pathology
Delphic Registration Code (Alpha Code)
SNA
Test Code (Numeric Code)
0102
Laboratory Handling
Phlebotomy
Please Note: If extended electrolytes are requested only Na, K and Cl will be registered. If other tests are required please specify.
Registration
Please Note: If extended electrolytes are requested only Na, K and Cl will be registered. If other tests are required please specify.
Sample Stability
14 days at 15-25°C, 14 days at 2-8°C, Stable at -20°C
Associated Tests
Synonyms
Corrected sodium, Serum Na, Na, Na+, electrolytes
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
- 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 Plain Blood
Last updated: 18/09/2026