Serotonin, Blood
Order Code:
SEROTB
Test Summary
Serotonin is produced in excess by carcinoid tumors of the enterochromaffin cell usually in the small intestine, appendix or rectum.
Aliases
- N/A
Specimen Collection
Special Instructions
N/A
Preferred Specimen
4 mL whole blood submitted in a Serotonin Kit (provided by Quest Diagnostics) - See Instructions
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.
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 three days prior to specimen collection.
Storage
Serotonin Kit (provided by Quest Diagnostics)
Transport Temperature
Frozen
Specimen Stability
- Room temperature: Unacceptable
- Refrigerated: Unacceptable
- Frozen: 30 days
Limitations
N/A
Other Acceptable Specimens
N/A
Unacceptable Specimens
Received room temperature • Received refrigerated • EDTA (lavender-top) collection without ascorbic acid
Order Code
SEROTB
EPIC (Premier) Code
LAB5362
Includes
N/A
CPT Code
- 84260
Billing Code
- 670473
CPT Statement
Methodology
Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)
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 the U.S. Food and Drug Administration. The FDA has determined that such clearance or approval is not necessary. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Physician Attestation of Informed Consent
N/A
Testing Laboratory
Quest Diagnostics Nichols Institute
33608 Ortega Highway
San Juan Capistrano CA, 92675
33608 Ortega Highway
San Juan Capistrano CA, 92675
Department
Reference Testing
Reference Range
56-244 ng/mL
Setup Schedule / Expected Turnaround Time
Monday - Saturday; Report available: 4 - 6 days
Specimen Collection
Special Instructions
N/A
Preferred Specimen
4 mL whole blood submitted in a Serotonin Kit (provided by Quest Diagnostics) - See Instructions
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.
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 three days prior to specimen collection.
Storage
Serotonin Kit (provided by Quest Diagnostics)
Transport Temperature
Frozen
Specimen Stability
- Room temperature: Unacceptable
- Refrigerated: Unacceptable
- Frozen: 30 days
Limitations
N/A
Other Acceptable Specimens
N/A
Unacceptable Specimens
Received room temperature • Received refrigerated • EDTA (lavender-top) collection without ascorbic acid
Result Information
Methodology
Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)
Testing Laboratory
N/A
Reference Range
56-244 ng/mL
Setup Schedule / Expected Turnaround Time
Monday - Saturday; Report available: 4 - 6 days