P50

Testing Laboratories

Waitematā | Northshore Hospital
Waitematā | Waitakere Hospital

Department

Chemical Pathology

Delphic Registration Code (Alpha Code)

EP50

Test Code (Numeric Code)

4503

Laboratory Handling

Phlebotomy

Heparin tube is not verified at Waitemata

Sample Stability

<1 hour

Associated Tests

Turnaround Time

15 minutes

Specimen Type

  • Whole Blood

Specimen Requirements

Tube/Container Type:

Preferred
  • Blood Gas Syringe
Minimum Sample Volume (ml)

0.3

No of Samples Required

1

Paediatric Specimen Requirements

Tube/Container Type:

Preferred
  • Paediatric Blood Gas Capillary Tubes
Minimum Sample Volume (ml)

0.3

Pre-testing Requirements

Must be a venous collect and have on the request form both the patient inspired oxygen (FiO2) and temperature on the request form

Last updated: 18/06/2026