Whole Blood Serotonin

Message

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 blood into the 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. Expiration date for ascorbic acid container is the same as the EDTA tube provided in the kit.

Test Code

LAB3630 SERBL

Alias/See Also

SERBL

CPT Codes
84260| 84681

Includes

Patient Preparation: Patient should avoid foods high in indoles: avocado, banana, tomato, plum, walnut, pineapple, and eggplant. Patient should also avoid tobacco, tea, and coffee three days prior to specimen collection.@BKRCERMSGREFRESH(2302793)@ @BKRCERMSGREFRESH(2302794)@

Instructions

Minimum Testing Volume: 1 mL Transport Temperature: Frozen Stability: Ambient: N/A Refrigerated : N/A Frozen: 42 days Causes for Rejection: Received room temperatureReceived Refrigerated EDTA (lavender-top) collection without ascorbic acid

Report Available

8-Days

Clinical Significance

1230170425

Last Updated: May 18, 2026

The CPT Codes provided in this document 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 payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.