Item Value
Test name Serotonin
Available Stat? No
Turn around times Test run Monday-Saturday. Turnaround time: 2-5 days.
Performed by Quest
Patient Preparation The patient should avoid foods high in indoles for 3 days prior to specimen collection: avocado, banana, eggplant, pineapple, plum, tomato and walnut, as well as avoiding coffee, tea and tobacco.
Normal range
≥ 18 year olds 55-260 µg/L
Container type Obtain special collection kit from specimen receiving desk (M521).
Amount to Collect 4 mL blood
Collection Instructions Obtain special collection kit from Specimen Receiving Desk (M521). The specimen collection kit will include a lavender top tube and a special plastic vial containing ascorbic acid. After drawing the specimen into the lavender top tube, mix well and deliver to laboratory asap.
Sample type Blood

If you have additional questions regarding this test, please call: 415-353-1667