- Test Name
- Serotonin, Blood
- Aliases
- Serotonin (Serum), 5-Ht (Serum), 5-Hydroxytryptamine (Serum)
- Provincial Mnemonic
- SEROT
- LOINC Test Code
- 14910-4
- Description and Primary Use
- Used with Urinary 5-HIAA, and Chromogranin A in symptomatic patients where there is strong suspicion of Carcinoid Tumor.
- Reorder interval
- N/A
- TAT
- 9 Days
- Test Cost
- $39.31
- Tier
- 3 - Special Authorization Required (See Required Consultation)
- Ordering Requirements (Restrictions / Conditions)
Approval requires test order by endocrinologist.
- Required Consultations
- Consultation with an Endocrinologist or Contact the Biochemist-on-Call at (709-697-2306)
- Algorithms and Guidelines
N/A
- Special Patient Preparation
For 48 hours prior to collection, the patient’s diet should be free of avocado, banana, coffee, tomato, plum, eggplant, hickory nut, walnut, pineapple and mollusks as well as aspirin, corticotropins, MAO inhibitors and, phenacetin, catecholamnines, resperine and nicotine. A diet low in trytophane is required.
- Special Collection / Transport / Processing Requirements
Specimen for this test must be collected, processed, aliquoted and frozen within 45 – 60 minutes of collection.
- Criteria for Rejection
Please see Special Collection/Transport/Processing requirements reject if these are not met.
- Laboratory Service Area
- Clinical Chemistry
- Performing Laboratory / Site
- Referred out of province
- Last Updated
- 28-May-19