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What is a CATECHOLAMINE,24Hrs URINE?

The Catecholamine, 24-hour urine test measures the levels of catecholamines—hormones such as adrenaline, noradrenaline, and dopamine—excreted in urine over a full day. These hormones are produced by the adrenal glands and play a key role in the body’s stress response. Doctors recommend this test to help diagnose rare adrenal tumors like pheochromocytoma or neuroblastoma, evaluate unexplained high blood pressure, or investigate symptoms such as headaches, palpitations, and sweating. It provides valuable insight into adrenal gland function.

Additional Information

Also known as/ Other names: 24 Hour Urine Catecholamines, Urinary Catecholamines, 24 Hours, 24 Hr Catecholamine Test, Catecholamine Excretion Test
Parameters: 1
Recommended for: M/F/Others
Sample Type: 24 Hrs. Urine
Patient Preparation: Patient should strictly avoid Alpha-one blockers, Aminophylline, Amphetamines, Ampicillin, Beta-blockers, Ephedrine, Imipramine, Methyldopa, MAO inhibitors, Nicotine, Phenacetin, Phenothiazine, Theophylline, Vasodilators, Aspirin, PAS, Alpha-2 agonists, Bromocriptine, Calcium channel blockers ( long term use), Clofibrate, Propranolol, Penicillin, Reserpine, Thyroxine, Alpha-methyldopa, Isoproterenol, Labetalol, Mandelamine, Paracetamol, Cimetidine, Metoclopramide, vigorous exercise, alcoholic beverages, tea/coffee and tobacco at least 72 hours before and during specimen collection.
Reports: 3 days

FAQs

Why is this test done?

Health care professional use it to diagnose adrenal tumors like pheochromocytoma or neuroblastoma and investigate unexplained high blood pressure or stress-related symptoms.

What foods should be avoided before the test?

Bananas, coffee, chocolate, vanilla, and citrus fruits should be avoided as they can interfere with catecholamine measurement.

Can medications affect test results?

Yes, drugs like antidepressants, decongestants, and blood pressure medicines may alter catecholamine levels. Inform your doctor about all medications.

What does a high catecholamine level mean?

Elevated levels may indicate adrenal tumors, severe stress, or certain nervous system disorders.

What does a low catecholamine level mean?

Low levels are less common but may suggest reduced adrenal activity or certain medical conditions.

Can stress affect catecholamine levels?

Yes, physical or emotional stress can temporarily raise catecholamine levels in urine.

Is this test used for hypertension diagnosis?

Yes, it helps identify adrenal-related causes of unexplained or resistant high blood pressure.

Can children undergo this test?

Yes, it is safe for children and often used to diagnose neuroblastoma.

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