Days Set Up
Monday, Tuesday, Wednesday
Analytic Time

3 - 8 days

MiChart Code
Vasoactive Intestinal Peptide (VIP)
Soft Order Code

Test Updated:



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Find a Requisition

All specimens should be accompanied by a requisition.

Submitting Specimens

Learn about how to properly label and where to ship specimens.

Order Kits and Supplies

MLabs provides all the supplies necessary for the collection of specimens.

Test FAQ

Visit our provider FAQ and learn about common questions to ordering tests.

Test Overview

Test Methodology

Radioimmunoassay (RIA)

Test Usage

Detection of VIPoma in patients with chronic diarrheal diseases.

Reference Range

< 75 pg/ml

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Specimen Requirements

Collection Onsite

Draw blood into chilled lavender tube from a fasting patient. Mix well and place on ice.

Collection Offsite

Collect specimen in lavender top tube from a fasting patient. Following collection place Vacutainer® tube on ice, then centrifuge, aliquot plasma into a plastic vial, and freeze.

Lavender Top Tube
Normal Volume
1 ml plasma
Minimum Volume
0.6 ml plasma

Billing Information

CPT Code
Pro Fee Code

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Our High Standard

Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.