Serotonin

Also known as: 5-Hydroxy Tryptamine; 5-HT

Formal name: Serotonin

Related tests: 5-HIAA; Chromogranin A

At a Glance

Why Get Tested?

To help diagnose a serotonin-secreting carcinoid tumor

When to Get Tested?

When you have symptoms suggestive of a carcinoid tumor such as flushing, diarrhea, and/or wheezing

Sample Required?

A blood sample drawn from a vein in your arm

Test Preparation Needed?

None

This article was last reviewed on December 13, 2007. | This page was last modified on November 14, 2009.

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