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Laboratory Test Reference Guide

Laboratory Information

Test Name

Neutrophil Oxidative Burst Measurement


Replaces NBT Test (Nitro Blue- Tetrazolium)

External Price (excl. GST)


Specimen Collection

Pre Testing Requirements

By arrangement with Laboratory.  The sample must arrive at testing laboratory within 24hrs of collection, therefore it must arrive at Health Waikato Laboratory ASAP after collection and by 11AM Thursdays.  DO NOT SEND ON FRIDAYS.



Specimen Collection and Transport Protocols

A CBC with differential is an essential component of this test. Please ensure one is ordered at time of collection for both patient and control sample.


Adult Specimen

5 mL EDTA tube (purple)

Paediatric Specimen

2 mL EDTA tube (purple)

Instructions for Referral to Waikato Lab

Aliquot instructions

1 x EDTA tube + control EDTA tube

Test Information



Test Availability

By arrangement with Laboratory


Canterbury Health Laboratories

Additional Information

  • Must be authorised by a Haematologist
  • A control specimen MUST be included with specimens being sent from outside Christchurch so that the effects of transport and storage can be ascertained.

Referred Out

Electronic Information

Registration Code


HL7 mapping code