5-HYDROXYTRYPTAMINE

General Information

HLAB/HOL Code: SERT
UPHSM LIS Test #: 871
Schedule: Tuesday, Friday
Testing Time: 5 - 7 days
Testing Lab: Warde Medical Laboratories

Specimen Info
Only 1 specimen type required, unless otherwise specified

Volume: 2.0 (1.0) mL Serum
Temperature: Frozen
Tube Type: Plain Red-Top Tube
Collection Info:
Patient Preparation: Patient should avoid avocados, bananas, eggplant, pineapples, plums, tomatoes, or
walnuts for a 48-hour period prior to start of collection. Draw blood in a plain red-top tube. Spin, separate and
send 2.0 mL serum (1.0 mL minimum) frozen below -20°C in a screw-capped plastic vial. CRITICAL FROZEN.  

SST TUBE NOT ACCEPTABLE

Stability
Room Temperature: Unacceptable; Refrigerated: Unacceptable; Frozen: 6 months




Specimen Acceptability

SST Unacceptable

Methods

High Performance Liquid Chromatography

CPT Codes

84260

* 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.

Reference Range

REFERENCE RANGE for Serotonin Serum (5-Hydroxytryptamine):
Males 90 - 195 ng/mL
Females 100 - 225 ng/mL
Children (0-14yrs) <301 ng/mL