Pathology Handbook

Recent changes for Vasoactive Intestinal Peptide
Date	Field	Changed From	Changed To
29th April 2026	Volume (Adults)		2 mL
	Minimum/Paediatric Volume		1 mL
	Preferred Specimen Type	Plasma	Blood
	Collection & Request Instructions	Collection tube: 5ml EDTA + Aprotinin - must collect from Pathology Reception Investigation of secretory diarrhoea for possible VIPoma. Collect after overnight Fast.	Collection tube: 3 mL EDTA + Aprotinin - must collect from Pathology Reception Indication: Investigation of secretory diarrhoea for possible VIPoma. Patient preparation: Overnight fasting required and patient rested for 10 minutes before collection.

Alternative Names:

VIP

Laboratory:

Clinical Biochemistry

Test Code:

VIP

Specimen Types:

Blood

Container Types:

Special: 5mL EDTA + Aprotinin

Adults Volume or Mass:

2 mL

Minimum/Paediatric Volume or Mass:

1 mL

Collection & Request Instructions:

Fast for > 8 hours pre procedure
Collect on Ice

Collection tube: 3 mL EDTA + Aprotinin - must collect from Pathology Reception

Indication: Investigation of secretory diarrhoea for possible VIPoma.

Patient preparation: Overnight fasting required and patient rested for 10 minutes before collection.

Transport Instructions between Sites and/or Laboratories:

Transport between sites frozen.

Assay Frequency:

Weekly

External Laboratory:

NSW Health Pathology, (SSWPS) - RPA