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Serotonin

Message
Patient preparation: Patient should avoid foods high in in Doles: avoca Do, banana, tomato, plum, walnut, pineapple, and eggplant. Patient should also avoid tobacco, tea, and coffee for 3 days before specimen collection. Collect a full tube, following standard venipuncture techniques.


Test Code
LAB121 SROTS


Alias/See Also
SROTS


CPT Codes
84260

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 for 3 days before specimen collection.@BKRCERMSGREFRESH(2302793)@ @BKRCERMSGREFRESH(2302794)@


Instructions
Processing Instructions (Lab use only): Spin and freeze serum with 2 hours of collectionMinimum Testing Volume: 1.0 mL Serum Transport Temperature: Frozen Stability: Ambient: N/A Refrigerated : N/A Frozen: 42 Days Causes for Rejection: Received Refrigerated Received room temperature


Report Available
8-Days


Clinical Significance
1230170889



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.