Test Details
Mnemonic
SERWB
Ordering Code
3420880
CPT-4 Code(s)
84260
Specimen Information
Patient Preparation
Patient should avoid food 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.
Collect
Serotonin kit
Specimen Preparation
Call laboratory for Serotonin kit. Draw blood into the EDTA 7.2 mg vacutainer tube included in kit. After drawing blood, mix well and immediately transfer all blood to the enclosed container, which contains 35 mg of ascorbic acid. Mix well and freeze immediately. Ship frozen.
Minimum Volume
1.0 mL
Transport Temperature
Frozen
Rejection Criteria
EDTA (lavender) without ascorbic acid
Stability
Room temperature: Unacceptable
Refrigerated: Unacceptable
Frozen: 42 days
Refrigerated: Unacceptable
Frozen: 42 days
Methodology
High Performance Liquid Chromatography
Reference Range
56 - 244 ng/mL
Performing Laboratory
Quest
New York DOH Approval Status
Yes