Pathology Handbook

Recent changes for Neutrophil Function Test
Date	Field	Changed From	Changed To
30th June 2026	Assay name	Immune Function Tests	Neutrophil Function Test
	Alternative names		NFT, Neutrophil phagocytosis, Neutrophil oxidative burst, neutrophil ros, NBT test
	Request Group	IMMFUNCT	NPHIL
	Volume (Adults)		4 mL
	Minimum/Paediatric Volume		2 mL
	Collection & Request Instructions	Assay is only performed TUESDAY and sample must reach RCH laboratory by 12 midday. Therefore sample must be received in Alfred laboratory by 10am. Send sample via taxi Requires requesting doctor to get approval from the reference laboratory (RCH Immunology). Requires approval from Alfred Immunology lab before being sent.	Collect Monday to thursday only.
	Frequency	Weekly	Daily
15th January 2026	Collection & Request Instructions	Assay is only performed TUESDAY and sample must reach RCH laboratory by 12 midday. Therefore sample must be received in Alfred laboratory by 10am. Send sample via taxi Requires requesting doctor to get approval from the reference laboratory (RCH Immunology).	Assay is only performed TUESDAY and sample must reach RCH laboratory by 12 midday. Therefore sample must be received in Alfred laboratory by 10am. Send sample via taxi Requires requesting doctor to get approval from the reference laboratory (RCH Immunology). Requires approval from Alfred Immunology lab before being sent.

Alternative Names:

NFT
Neutrophil phagocytosis
Neutrophil oxidative burst
neutrophil ros
NBT test

Laboratory:

Haematology

Test Code:

NPHIL

Specimen Types:

Blood

Container Types:

Lithium Heparin (without Gel)

Adults Volume or Mass:

4 mL

Minimum/Paediatric Volume or Mass:

2 mL

Collection & Request Instructions:

Collect Monday to thursday only.

Transport Instructions between Sites and/or Laboratories:

Room Temperature

Assay Frequency:

Daily

External Laboratory:

Monash Pathology

Additional Notes:

Only Tested Monday to Friday. Do not collect on Fridays as transit time too long.

Must be performed within 24 hours