CATECHOLAMINES, PLASMA

What this test checks

Measures stress hormones (adrenaline) in blood.

Why do people get this test?

Used in evaluating sudden blood pressure spikes.

When you should consider this test

• Sudden BP spikes with sweating
• Suspected pheochromocytoma
• Specialist requested

How to prepare

Avoid caffeine, stress, and certain medicines before testing.