Serotonin, Serum
Test Code: 120204
Performing Lab: LabCorp
CPT Code: 84260 001
Synonym
5-HT, Serum; 5-Hydroxytryptamine, Serum
Specimen Type
Serum
Specimen Container
Red-top tube or gel-barrier tube
Volume
1 mL
Minimum Volume
0.5 mL (NOTE:This volume does NOT allow for repeat testing).
Specimen Handling
Separate serum from cells within 30 minutes of collection and transfer to a plastic transport tube. Serum can be transported at room temperature or FROZEN. If collecting a frozen sample, transfer to a plastic transport tube before freezing. To avoid delays in turnaround time when requesting multiple test on frozen samples, PLEASE SUBMIT SEPARATE FROZEN SPECIMENS FOR EACH TEST REQUESTED.
Patient Prep
Monoamine oxidase inhibitor drugs should be discontinued for at least one week prior to sampling since they tend to increase the level of serotonin.
Unacceptable Conditions
Plasma sample received; serum that is not separated from cells
Temperature
Room temperature
Methodology
Liquid chromatography/tandem mass spectrometry (LC/MS-MS) electrochemical (EC) detection
Stability
Room Temperature: 7 days
Refrigerated: 7 days
Frozen: 14 days
Refrigerated: 7 days
Frozen: 14 days
| Result Code | Result Name | LOINC |
|---|---|---|
| 120204 | Serotonin, Serum | 27057-9 |
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