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Catecholamines, Fractionated, plasma

Item# LC084152

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  • Catecholamines, Fractionated, plasma
  • Item Catalog Number: LC084152

This panel contains the following tests:

  • Epinephrine
  • Norepinephrine
  • Dopamine

Sample Report

The adrenal glands make large amounts of catecholamines as a reaction to stress. The main catecholamines are epinephrine (adrenaline), norepinephrine (noradrenaline), and dopamine. Catecholamines help the body respond to stress or fright and prepare the body for "fight-or-flight" reactions.

Catecholamines increase heart rate (palpitations), blood pressure, breathing rate, muscle strength, and mental alertness. They also lower the amount of blood going to the skin and increase blood going to the major organs, such as the brain, heart, and kidneys.

Certain rare tumors of the adrenal glands can also increase the amount of catecholamines in the blood and urine.

An 8 to 12 hour fast without smoking is required for this blood test. However, drink plenty of water and take your medications as prescribed. Walnuts and bananas should be avoided for a week prior to the blood test.


The laboratory services are for informational purposes only. It is not the intention of National Diagnostics, Inc and Life Extension to provide specific medical advice but rather to provide users with information to better understand their health. Specific medical advice including diagnosis and treatment will not be provided. Always seek the advice of a trained health professional for medical advice, diagnosis or treatment.

Both the physician and the testing laboratory are independent contractors with whom National Diagnostics, Inc makes arrangements for your blood tests. Neither National Diagnostics, Inc or Life Extension will be liable for any acts or omissions of the physician, the testing laboratory, or their agents or employees.