Test Overview
Method
Liquid chromatography-tandem mass spectrometry (LC-MS/MS)
Result Included
Serotonin
Aliases/Synonyms
5-hydroxytryptamine; 5-HT
Specimen
Specimen Type
SerumContainers
Collection Containers
Gold top (clot activator & gel)
Volume
Sample Volume
1 mL
Minimum Volume
0.5 ml
Specimen Comment
Plasma is unsuitable for analysis.
Pediatric
Minimum
500 µL
Patient Preparation
For 48 hours prior to blood collection, diet should be free of avocado, banana, coffee, tomato, plum, eggplant, hickory nut, walnut, pineapple, and mollusks. A diet low in tryptophan is required. Patients should also abstain from aspirin, corticotrophins, MAO inhibitors, phenacetin, catecholamines, reserpine, and nicotine.
Collection & Handling
Handling Information
Separate and freeze immediately. Store and send frozen.
Rejection Criteria
| Criteria | Specification |
|---|---|
| Specimen | Not frozen or Plasma |
Performance & Interpretation
Turnaround Time
11 days
Results
Name
Units
Reference Range
Conversion
-
Serotoninnmol/L≤ 1306ng/mL x 5.68
Interface & Setup
HL7 Interface Codes
| Order Code | Result Name | Result Codes | Units |
|---|---|---|---|
| SERO | Serotonin,S | 28348 | nmol/L |
Test Version
Last Updated
2022-02-23