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.