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24-Hour Urinary Catecholamines

The adrenal glands are responsible for the production of the catecholamines hormones, as a response to stress. They alert the person experiencing stress by increasing the blood flow to the brain, heart and the kidneys, preparing the person for an instant fight-or-flight reaction. The catecholamines thus increase breathing, heartbeats, alertness, blood pressure and muscle strength and lower the blood flow to the skin. These hormones are broken down by the body and are eliminated through urine. Therefore, a 24-hour urinary catecholamine test is used to measure the levels of these hormones in a urine sample.

Why is the test ordered?

The test may be useful as a follow-up test to urine metanephrine or plasma free metanephrines for confirming the diagnosis of adrenal gland tumours: pheochromocytomas and paragangliomas in individuals with symptoms. It may also be recommended to monitor the progress of the treatment of the disorder.

When is the test ordered?

The test may be recommended when the metanephrines urine test and plasma free metanephrine tests are inconclusive and a doctor wants further information about a potential adrenal tumour. Furthermore, it may also be recommended when a young individual complaint of the abrupt emergence of the following signs and symptoms:

  • Rapid heart rate
  • Sweating
  • Flushing
  • Severe headache
  • High blood pressure (which is non-responsive to the treatment)
  • Tremors

How is the sample collected?

A urine sample over a period of 24 hours is collected in a sterile container.

How to prepare for the test?

Avoid tea, coffee, bananas, citrus fruits, vanilla, walnuts, fava beans, avocados, cocoa, licorice, vanilla and chocolate for 2 to 3 days before the test as they affect the test results. Drink plenty of fluids, keep yourself warm, and don’t consume tobacco during the 24-hour urine collection period. Inform the doctor about all the medicines you are taking and follow his/her instructions.

Patient Testimonials

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Mr. Shahul Hameed, Chennai

Mrs. Turni, Kolkata

“The way Apollo Diagnostics kept me at ease during the sample collection process, the way they supported me to be at my convenience and confidence is really something I’ll always remember. They were also flawless in maintaining the hygiene. Hats off to them!”

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Mr. Thomas, Mysuru

“Excellent sense of timing! The technician arrived right on time. He was really well-trained, in terms of his skill and manner, as well. Apollo Diagnostics is doing a great job.”

Subbalakshmi, Vizag

“Appreciate the quality of service that I’ve received from Apollo Diagnostics. Their competence, caring nature, sincerity, valuing customer’s time – all these together have shaped them as the most trusted diagnostic service provider in the country.
Keep up the good work!

Mrs. Pravati Dash, Bengaluru

“My mother needed a blood test, but was unable to walk due to pain in her leg. A Phlebotomist from Apollo Diagnostics came home and collected the sample. I was informed, via SMS, that the report could be collected from any of the 3 centres in Dibrugarh, downloaded online or even delivered home for a nominal fee. Although the rates were reasonable, my mother also received a senior citizens discount too! This saved my time, money & energy. My aachhe din really seemed to have arrived! Thank you Apollo Diagnostics and hats off for displaying true professionalism.”

Mr. Alokk Kar Dowerah, Dibrugarh

“Whenever I need to have a blood sample collected from home, I ask for Vasu. He is punctual, courteous and so skilled I hardly feel any pain when he draws the sample. Plus, I truly appreciate how quickly the reports are delivered. Thanks Apollo!”

Mr. Sukumar, Film director, Sriram Nagar, Hyderabad

“Their accurate understanding of customer’s needs is one thing that set them apart and ahead of all others. As a result, it becomes easier for them to deliver the right service, that with their matchless efficiency and care to ensure less pain and easily accomplished sample collection. Apollo Diagnostics is simply doing an amazing job!”

Soundarya Abhirami, Hyderabad

“The overall service standard of Apollo Diagnostics is admirably high. The technician was punctual and well-behaved, and has the genuine skill to collect the test sample without troubling the customer. These are probably some of the major reasons for them to be the best in India.”

Mrs. Lakshmi, Chennai

“The most crucial factor with Apollo Diagnostics is that they always train their Phlebotomists so well that the team consistently remains efficient and punctual and we receive a premium quality diagnostic service. Good job. Keep it up.”

Mr. Amit Kumar Patil, Bengaluru