Why get tested?
To help diagnose and monitor carcinoid tumors and other neuroendocrine tumors

When to get tested?
When you have symptoms suggestive of a carcinoid tumor such as flushing, diarrhea, and/or wheezing; when your doctor thinks that you may have a carcinoid or other neuroendocrine tumor

Sample required?
A blood sample drawn from a vein in your arm