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To view specimen requirements and codes please select your laboratory:
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Serotonin, Blood [818X]
Patient should avoid food high in indoles such as avocado, banana, tomato, plum, walnut, pineapple, and eggplant. Patient should also avoid tobacco, tea and coffee three days prior to specimen collection.
4 mL Whole Blood + Ascorbic Acid (See Instructions)
Proper specimen collection, storage and shipment are critical for serotonin whole blood analysis. Strict adherence to the following specimen collection instructions will ensure the most meaningful results:
1. Draw 4 mL blood in an EDTA 7.2 mg Vacutainer® tube.
2. After drawing the blood, mix well and immediately transfer all blood to the enclosed container, which contains 35 mg of ascorbic acid.
3. Mix well and freeze immediately.
4. Ship frozen.
Serotonin kit (provided by Quest Diagnostics)
Room Temperature: Unacceptable
Frozen: 42 days
Received room temperature • Received refrigerated • Whole blood collected in a (lavender-top) EDTA tube without ascorbic acid
High Performance Liquid Chromatography (HPLC) Fluorescence Detection
|Quest Diagnostics Nichols Institute|
|14225 Newbrook Drive|
|Chantilly, VA 20153|
Mon-Fri a.m.; Report available: 2 Days
Serotonin is produced in excess by carcinoid tumors of the enterochromaffin cell usually in the small intestine, appendix or rectum.
Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.
(The CPT codes provided 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 payer being billed.)
* The tests listed by specialist are a select group of tests offered. For a complete list of Quest Diagnostics tests, please refer to our Directory of Services.