Specimen Collection Manual and Test Catalog
VASOACTIVE INTESTINAL POLYPEPTIDE (VIP)
Geisinger Epic Procedure Code: LAB3245 Geisinger Epic ID: 17563SPECIMEN COLLECTION
Specimen type:
EDTA plasma
Preferred collection container:
Specimen required:
1 mL (0.75 mL minimum) plasma collected in an EDTA (lavender-top) tube
Patient preparation:
Patient should be fasting 10-12 hours prior to collection ofspecimen. Patient should not be on any antacid medication or medications that affect intestinal motility for at least 48 hours prior to collection.
SPECIMEN PROCESSING
Processing instructions:
Centrifuge, aliquot and freeze specimen immediately.
Transport temperature:
Frozen.
Specimen stability:
Room temperature: 4 hours. Refrigerated: 24 hours. Frozen: 6 months.
Rejection criteria:
Lipemia; hemolysis; grossly icteric. Specimens not received frozen.
TEST DETAILS
CPT code(s):
84586
Note: The billing party has sole responsibility for CPT coding. Any
questions regarding coding should be directed to the payer being billed.
The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
Methodology:
Direct Enzyme Immunoassay
Enzyme-Linked Immunosorbent Assay (ELISA)
Enzyme-Linked Immunosorbent Assay (ELISA)
Synonyms:
VASOACTIVE INTESTINAL POLY, VIP, VASOACT INTEST POLY, Quest test code 13986
Clinical significance:
Elevated levels of VIP are found in patients with VIPomas, hepatic cirrhosis, and the Verner-Morrisons (Watery Diarrhea) Syndrome. Decreased levels are found in cystic fibrosis.
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