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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 (see instructions)
Serotonin Kit (provided by Quest Diagnostics Chantilly):
Draw one 4 mL (lavender-top) tube, and transfer immediately to a plastic bottle containing 35 mg Ascorbic Acid. Mix well, freeze -20ºC or colder, and send frozen samples on dry ice.
Serotonin kit (provided by Quest Diagnostics)
Room temperature: Unacceptable
Frozen: 42 days
Received room temperature • Received refrigerated
High Performance Liquid Chromatography (HPLC) Fluorescence Detection
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153
Set up: 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.
The Result and LOINC information listed below should not be used for electronic interface maintenance with Quest Diagnostics. Please contact the Quest Diagnostics Connectivity Help Desk for more information at 800-697-9302.NOTE: The codes listed in the table below are not orderable Test Codes.
|Result Name||LOINC Code||Component Name|
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.
LOINC assignment is based on a combination of test attributes, including the method used by the performing laboratory. For tests not performed by Quest Diagnostics, codes are assigned by the performing laboratory.
* 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.