5-hydroxytryptamine; 5-HT
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Serotonin, Serum
Test ID: SERO
Test
Aliases/Synonyms
Method
LC-MS/MS
Report Includes
Serotonin
Specimens
Serum
Test Location
London Health Sciences Centre, 339 Windermere Road, London ON N6A 5A5
Test Version
23-Feb-2022
Specimen
Specimens
Serum
Collection Containers
Gold top (clot activator & gel)
Sample Volume
1 mL
Minimum Volume
0.5 ml
Specimen Comment
Plasma is unsuitable for analysis.
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
| Specimen | Not frozen or Plasma |
|---|
Test Version
23-Feb-2022
Performance / Interpretation
Method
LC-MS/MS
Turnaround Time
11 days
Results
| Name | Units | Reference Range | Conversion Factor | |
|---|---|---|---|---|
| Serotonin | nmol/L |
|
ng/mL x 5.68 | |
Test Location
London Health Sciences Centre, 339 Windermere Road, London ON N6A 5A5
Test Version
23-Feb-2022
Interface / Setup
HL7 Interface Codes
| Order Code | Result Codes | Units |
|---|---|---|
| SERO | 28348Serotonin,S | nmol/L |
Test Version
23-Feb-2022