Test directory: Serotonin, Whole Blood

Ordering Code 472
Test Name Serotonin, Whole Blood
Alias 5-Hydroxytryptamine
Preferred Specimen Whole Blood
Preferred Container Serotonin Kit (provided by Quest Diagnostics)
Optimum Volume 4 mL
Collection Instructions Call DLS Client Services to schedule collection and obtain
Serotonin kit. Proper specimen collection, storage and shipment are critical for Serotonin Whole Blood analysis
Strict adherence to the following specimen collection instructions wil ensure the most meaningful results
1. Draw blood into the EDTA 7.2-mg Vacutainer Tuber (from
Serotonin Kit)
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
Expiration date for Ascorbic Acid container is the same as the EDTA tube provided in the kit. Patient should avoid food high in Idoles: avocado, banana, tomato, plum, walnut, pineapple, and eggplant. Patient should avoid tobacco, tea and coffee three days prior to specimen collection.
Transport Requirements Oahu: Frozen
Airline: Frozen
Specimen Stability Frozen: 6 Weeks
Rejection Criteria Ambient, Refrigerated, Thawed, EDTA without Ascorbic acid
Avail. Stat NO
Analytic Time Up to 5 Days
Methodology High Performance Liquid Chromatography, Fluorescence
Detection
Reference Lab  Quest Diagnostic Lab-NI

Reference range(s)

The reference ranges listed below are valid on this date of June 29, 2025.
Component Age Male Norm Male Critical Low Male Critical High Female Norm Female Critical High Female Critical Low Units Add'l info
Serotonin, Whole Blood ALL See report.