Catecholamines Fractionated Random Urine Test
Short Name: Catecholamines Random Urine
Also known as: Fractionated Catecholamines Random Urine, Urinary Catecholamines Fractionated Test, Catecholamine Panel Random Urine, Urine Catecholamines Test
Catecholamines Fractionated Random Urine Test test available at DNA Labs India for ₹5,265. Uses LC-MS/MS (Liquid Chromatography with Tandem Mass Spectrometry) on Random urine samples. Results in Results are available within 2 days from sample receipt at the laboratory. Samples collected on Wednesday or Saturday by 9 AM will have reports ready 2 days later.. Free home collection in 300+ cities across India.
🩺 Medically Reviewed By
Dr Pasupathy Arumugam
Consultant Pathologist · Reg: 21521
Last reviewed: September 7, 2026
Overview
The primary purpose of the Catecholamines Fractionated Random Urine Test is to detect and quantify elevated levels of catecholamines (epinephrine, norepinephrine, and dopamine) in urine, which may indicate the presence of catecholamine-secreting tumors such as pheochromocytoma or paraganglioma. The test is also used to monitor treatment response in patients with known neuroendocrine tumors and to evaluate unexplained episodes of hypertension, palpitations, and sweating.
- Test Code
- 286
- Price
- ₹5,265
- Sample Type
- Random urine
- Result Time
- Results are available within 2 days from sample receipt at the laboratory. Samples collected on Wednesday or Saturday by 9 AM will have reports ready 2 days later.
- Fasting Required
- No
- Method
- LC-MS/MS (Liquid Chromatography with Tandem Mass Spectrometry)
Sample Collection
Patient must 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. Consult your physician before discontinuing any prescribed medication.
Method: Clean catch random urine collection
Laboratory Analysis
Collect urine into a clean container with the appropriate volume of 50% HCl preservative to maintain pH between 1-2. Do not use concentrated HCl. Label the specimen clearly and refrigerate immediately after collection.
Report Delivery
Ship the specimen refrigerated or frozen to the laboratory. Ensure the sample reaches the lab within the stability window: 8 hours at room temperature, 5 days refrigerated, or 30 days frozen.
Timeline: Results are available within 2 days from sample receipt at the laboratory. Samples collected on Wednesday or Saturday by 9 AM will have reports ready 2 days later.
Patient Instructions
About This Test
Who Should Get This Test
The primary purpose of the Catecholamines Fractionated Random Urine Test is to detect and quantify elevated levels of catecholamines (epinephrine, norepinephrine, and dopamine) in urine, which may indicate the presence of catecholamine-secreting tumors such as pheochromocytoma or paraganglioma. The test is also used to monitor treatment response in patients with known neuroendocrine tumors and to evaluate unexplained episodes of hypertension, palpitations, and sweating.
How to Prepare
- Collect a random urine sample in a clean, sterile container
- Add appropriate volume of 50% HCl preservative to maintain pH between 1-2 before or immediately after voiding
- Do NOT use concentrated HCl
- Avoid first morning void unless specified by your physician
- Refrigerate the sample immediately after collection
- Label the container with patient name, date, and time of collection
- Transport the sample to the lab within the specified stability period
Doctor's Notes
Reviewed by Dr Pasupathy Arumugam — MBBS, MD (Pathology) · Reg. No. 21521
"The catecholamines fractionated random urine test is an essential screening and monitoring tool for patients suspected of having catecholamine-secreting tumors such as pheochromocytoma or paraganglioma. Elevated fractionated catecholamine levels, particularly epinephrine and norepinephrine, warrant urgent follow-up with cross-sectional imaging (CT or MRI) and referral to a multidisciplinary oncology or endocrine surgery team. Early detection significantly improves treatment outcomes. Patients must strictly adhere to the pre-test medication and dietary restrictions for accurate results."
Last medically reviewed: September 7, 2026
Test Parameters & Specifications
Sample Stability
- Specimen not preserved with 50% HCl
- Specimen pH not maintained between 1-2
- Specimen received at room temperature beyond 8 hours of collection
- Use of concentrated HCl as preservative
- Insufficient sample volume (less than 10 mL)
- Patient did not adhere to mandatory medication and dietary restrictions
- Specimen container not properly labeled
Understanding Your Results
Epinephrine elevated above reference range
May suggest pheochromocytoma, paraganglioma, or other catecholamine-secreting tumors. Further imaging and clinical correlation required.
Norepinephrine elevated above reference range
Most commonly elevated in pheochromocytoma. Significantly elevated norepinephrine levels have a high predictive value for adrenal or extra-adrenal catecholamine-secreting tumors.
Dopamine elevated above reference range
Elevated dopamine may indicate a dopamine-secreting paraganglioma or neuroblastoma. Often seen alongside elevated norepinephrine.
All catecholamines within reference range
Values within normal limits suggest the absence of a significant catecholamine-secreting tumor. Clinical correlation is recommended if symptoms persist.
Multiple catecholamines elevated
Elevation of two or more catecholamines strongly suggests a catecholamine-secreting tumor. Urgent follow-up with imaging (CT/MRI) and specialist referral is recommended.
If your test results show elevated levels of one or more catecholamines, consult your doctor immediately. Elevated catecholamines may indicate a pheochromocytoma, paraganglioma, or other neuroendocrine tumor that requires prompt medical evaluation, further imaging studies (CT scan or MRI), and specialist referral. Even if results are within normal limits but symptoms persist, follow up with your healthcare provider.
Limitations
- ⚠A single random urine sample may have higher variability compared to a 24-hour urine collection
- ⚠Results can be falsely elevated if pre-test medication and dietary restrictions are not followed
- ⚠False positives may occur with certain medications, foods, and physiological stress
- ⚠Elevated catecholamines do not always confirm a tumor; further imaging and clinical correlation are required
- ⚠Not recommended as a standalone diagnostic test—should be interpreted alongside clinical findings and imaging studies
Risks & Considerations
- ●This is a non-invasive urine test with no direct physical risks
- ●Temporarily discontinuing medications as required for the test should only be done under physician supervision
- ●Incorrect specimen handling may lead to inaccurate results, potentially requiring repeat testing
Interfering Factors
- ●Medications: Alpha-one blockers, Aminophylline, Amphetamines, Ampicillin, Beta-blockers, Ephedrine, Imipramine, Methyldopa, MAO inhibitors, 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
- ●Caffeine intake from tea, coffee, or energy drinks
- ●Nicotine and tobacco use
- ●Alcoholic beverages
- ●Vigorous physical exercise within 72 hours of collection
- ●Acute physical or emotional stress
- ●Incorrect specimen pH (not maintained between 1-2 with HCl preservative)
Compare With Similar Tests
| Test | Catecholamines Fractionated Random Urine Test | Catecholamines 24-Hour Urine Test | Plasma Fractionated Metanephrines | VMA (Vanillylmandelic Acid) Urine Test |
|---|---|---|---|---|
| Comparison | Catecholamines Fractionated Random Urine Test | The 24-hour urine collection provides a more comprehensive measurement of catecholamine excretion over an entire day, reducing variability. The random urine test is more convenient but may have higher variability. | Plasma metanephrines test measures metanephrine and normetanephrine in blood, which are metabolites of catecholamines. It has higher sensitivity for pheochromocytoma screening but may have more false positives. | VMA is a metabolite of catecholamines measured in urine. It is less specific than fractionated catecholamines but can be useful as a complementary screening test. |
Frequently Asked Questions
What is the Catecholamines Fractionated Random Urine Test?
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What is the cost of the Catecholamines Fractionated Random Urine Test in India?
How is the urine sample collected for this test?
Do I need to fast before the Catecholamines Fractionated Random Urine Test?
What medications and substances should I avoid before the test?
What do elevated catecholamine levels indicate?
How long does it take to get the results?
Is home sample collection available for this test?
What is the difference between a random urine test and a 24-hour urine collection for catecholamines?
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