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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Serotonin, Blood [818X]
Test CodeS51656
CPT Codes
84260
Preferred Specimen
4 mL whole blood submitted in Serotonin Kit (provided by Quest Diagnostics)
Patient Preparation
Avoid food high in indoles: avocado, banana, tomato, plum, walnut, pineapple, eggplant. Avoid tobacco, tea, coffee, three days prior to collection.
Minimum Volume
1 mL
Instructions
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.
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.
Transport Temperature
Frozen only
Specimen Stability
Room temperature: Frozen only
Refrigerated: Frozen only
Frozen: 42 days
Refrigerated: Frozen only
Frozen: 42 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Received room temperature • Received refrigerated • EDTA (lavender-top) collection without ascorbic acid
Methodology
High Performance Liquid Chromatography (HPLC)
FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Setup Schedule
Set up: Tues-Sat; Report available: 2-3 days
Clinical Significance
Serotonin is produced in excess by carcinoid tumors of the enterochromaffin cell usually in the small intestine, appendix or rectum.