Catecholamines Fractionated 24-Hour Urine Test
Short Name: Catecholamines 24-Hr Urine Test
Also known as: Catecholamines 24-Hour Urine Test, Fractionated Catecholamines Urine Test, Catecholamine Fractionation Test
Catecholamines Fractionated 24-Hour Urine Test test available at DNA Labs India for ₹6,000. Uses Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS) on 24-hour urine samples. Results in Report available within 2 days after sample receipt by the laboratory.. Free home collection in 300+ cities across India.
🩺 Medically Reviewed By
Dr SHAILAJA RAGHUNATH MURDESHWAR
Consultant Physician · Reg: 8052
Last reviewed: September 7, 2026
Overview
To quantify the levels of epinephrine, norepinephrine, and dopamine in urine for the diagnosis of catecholamine-related disorders such as pheochromocytoma, neuroblastoma, and autonomic dysfunction.
- Test Code
- 285
- Price
- ₹6,000
- Sample Type
- 24-hour urine
- Result Time
- Report available within 2 days after sample receipt by the laboratory.
- Fasting Required
- No
- Method
- Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)
Sample Collection
Avoid all specified medications, substances, and activities for at least 72 hours before and during urine collection. Consult your doctor before stopping any prescribed medications.
Method: 24-hour urine collection with acid preservation to maintain pH 1-2
Laboratory Analysis
Collect urine for 24 hours as per instructions. Use the provided container with HCl preservative to maintain pH between 1-2. Record the total volume accurately.
Report Delivery
Store the urine sample refrigerated or frozen. Ship to the laboratory promptly for analysis to ensure sample stability.
Timeline: Report available within 2 days after sample receipt by the laboratory.
Patient Instructions
About This Test
Who Should Get This Test
To quantify the levels of epinephrine, norepinephrine, and dopamine in urine for the diagnosis of catecholamine-related disorders such as pheochromocytoma, neuroblastoma, and autonomic dysfunction.
How to Prepare
- Begin collection in the morning after discarding the first urine sample.
- Collect all urine for the next 24 hours in the provided container.
- Add the appropriate volume of 50% HCl to maintain pH between 1-2.
- Record the total 24-hour urine volume on the test request form and container.
- Keep the sample refrigerated or frozen until shipment.
Doctor's Notes
Reviewed by Dr SHAILAJA RAGHUNATH MURDESHWAR — MBBS, MD (General Medicine) · Reg. No. 8052
"This test is essential for diagnosing catecholamine-secreting tumors like pheochromocytoma and neuroblastoma, helping in early intervention and management."
Last medically reviewed: September 7, 2026
Test Parameters & Specifications
Sample Stability
- Improper collection or preservation
- Contaminated sample
- Inadequate volume
- pH not maintained between 1-2
Understanding Your Results
If you experience persistent symptoms like hypertension, palpitations, headaches, sweating, or anxiety, or if test results are abnormal, consult a healthcare provider immediately for further evaluation.
Limitations
- ⚠False positives may occur due to dietary factors or medication use.
- ⚠Test results should be interpreted in conjunction with clinical symptoms and other diagnostic tests.
- ⚠Reference ranges may vary slightly between laboratories.
Risks & Considerations
- ●No physical risks from urine collection.
- ●Risk of inaccurate results if collection instructions are not followed precisely.
- ●Potential for misdiagnosis if interfering factors like medications are not avoided.
Interfering Factors
- ●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
- ●Tobacco
Compare With Similar Tests
| Test | Catecholamines Fractionated 24-Hour Urine Test | Plasma Catecholamines Test | Vanillylmandelic Acid (VMA) Test | Homovanillic Acid (HVA) Test | Chromogranin A Test |
|---|---|---|---|---|---|
| Comparison | Catecholamines Fractionated 24-Hour Urine Test |
Frequently Asked Questions
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