VIP (Vasoactive Intestinal Polypeptide) [920X]

Test Code

CPT Codes

Preferred Specimen
3 mL plasma

Minimum Volume
1.1 mL

Other Acceptable Specimens
EDTA/Aprotonin (pink-top) tube

Centrifuge immediately

Transport Container
Plastic, screw-cap vial

Transport Temperature
Refrigerated (cold packs) 

Specimen Stability
Room temperature: 72 hours
Refrigerated: 7 days
Frozen: 28 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Lipemia • Received room temperature • PPT-potassium EDTA (white-top) tube

Extraction • Immunoassay

This test was developed and its performance characteristics have been determined by Quest Diagnostics. Performance characteristics refer to the analytical performance of the test.

Reference Range
20-42 pg/mL

Clinical Significance
VIP is a neurotransmitter and its excess can cause secretory diarrhea. VIP-secreting tumors are most commonly found in the tail of the pancreas in adults. VIP-producing ganglioneuromas or ganglioneuroblastomas may be found in the adrenal glands in children.

Performed By
Quest Diagnostics Nichols Institute

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.