Catecholamines, Plasma and Urine
Also known as: Dopamine; Epinephrine; Norepinephrine; Free Urine Catecholamines
Formal name: Catecholamines, Plasma and Urine
At a Glance
Why Get Tested?
To help diagnose or rule out a pheochromocytoma or other neuroendocrine tumor
When to Get Tested?
When you have symptoms of increased catecholamine release, such as persistent or episodic high blood pressure, severe headaches, rapid heart rate, and sweating
Sample Required?
A blood sample drawn from a vein in the arm or a 24-hour urine sample
Test Preparation Needed?
These tests are affected by certain drugs, foods, and stresses. Inform your doctor of any medications you are taking and follow any instructions you are given for things to avoid before sample collection.
