Catecholamines, Fractionated, Urinary Free, 24-Hour Urine
What’s Being Tested:
- Catecholamines
- Urinary epinephrine
- Urinary norepinephrine
- Urinary dopamine
Fasting: Yes. 10-12 hours
Specimen Type: Urine (Draw Location | How It Works | FAQs)
Turnaround time: 7-9 days
Important Note:
- Avoid stress or any rigorous activity before taking the test
- Avoid caffeine products before and during collecting your samples
- It is recommended to be clear of a number of drugs (reserpine and a-methyldopa, levodopa, monoamine oxidase inhibitors, and sympathomimetic amines) for at least 2 weeks prior to taking this test. Nose drops, sinus and cough medicines, bronchodilators and appetite suppressants, a2-agonists, calcium channel blockers, converting enzyme inhibitors, bromocriptine, phenothiazine, tricyclic antidepressants, a- and �-blockers, labetalol, Mandelamine but thiazides is fine. Please consult with your prescribing healthcare provider.
- Should not be subjected to hypoglycemia or exertion. An increased intracranial pressure and clonidine withdrawal may interfere with the results. Please consult with your prescribing healthcare provider.
Medical Review Board
Reviewed by Jeff Donohue M.D. from Body Logic and Brady Hurst DC, CCCN. Written by True Health Lab’s team of editorial health contributors.
Disclaimer: This information is for educational purposes only and not intended as medical advice. Consult your healthcare provider for personalized guidance.
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