Serotonin - platelet
Last updated: Friday, 26, March, 2004
5 mL blood in an EDTA tube.
The specimen must be delivered to the laboratory immediately after collection.
Some laboratories measure plasma or blood serotonin but platelets are the preferred specimen.
| Reference Interval|
<5.4 nmol/109 platelets.
Diagnosis of carcinoid syndrome.
Patients with carcinoid syndrome show elevation of platelet serotonin.
Oberg K. Expert Rev Anticancer Ther. 2003; 3(6): 863-877.