At a Glance
Why Get Tested?
When to Get Tested?
When you have symptoms of increased catecholamines release, such as persistent or episodic high blood pressure, severe headaches, rapid heart rate, and sweating
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 preparation instructions you are given before sample collection.