Testing Laboratories
Waitematā | Northshore HospitalWaitematā | Waitakere Hospital
Department
Chemical Pathology
Delphic Registration Code (Alpha Code)
COS
Test Code (Numeric Code)
0123
Laboratory Handling
Sample Stability
4 hours
Associated Tests
Synonyms
Osmolarity
Turnaround Time
2 hours
Specimen Type
- Plasma
- Serum
Specimen Requirements
Tube/Container Type:
Preferred
- Lithium Heparin - Non-gel (Green Cap)
Acceptable
- Plain (Red Top)
- SST II (Gold Cap)
Paediatric Specimen Requirements
Tube/Container Type:
Preferred
- Lithium Heparin PST- Gel (Light Green Cap)
Acceptable
- Plain (Red Top)
- SST II (Gold Cap)
Last updated: 16/02/2026