Urine for V.M.A.(Vanillyl Mandelic Acid)

Product Description

The Urine V.M.A. test measures the level of Vanillylmandelic Acid (VMA), a breakdown product of catecholamines such as adrenaline and noradrenaline. It is used to help evaluate certain hormone-producing tumours, particularly pheochromocytoma and neuroblastoma.

What Does This Test Check?

• Measures VMA levels in a 24-hour urine sample.

• Helps assess catecholamine metabolism.

• Supports the evaluation of suspected pheochromocytoma and neuroblastoma.

• May be used alongside other biochemical investigations.

Sample Requirements

• Sample Type: 24-Hour Urine

• Collection Duration: 24 hours

• Container and Preservative: To be confirmed by the laboratory.

Patient Preparation

• Follow the laboratory's dietary instructions before and during collection.

• Certain foods, drinks, and medications may affect VMA results.

• Consult your healthcare provider before changing or stopping any medication.

• Collect all urine over the full 24-hour period according to laboratory instructions.

Relevant Conditions

• Suspected pheochromocytoma

• Suspected neuroblastoma

• Evaluation of catecholamine-related symptoms

• Investigation of abnormal blood pressure or suspected hormone-producing tumours

24-Hour Urine Collection Instructions

• Begin collection by emptying your bladder and discarding the first urine sample.

• Record the start time.

• Collect all subsequent urine for the next 24 hours.

• Include the final urine sample at the end of the collection period.

• Store the sample as instructed by the laboratory.

Important Information

• Elevated VMA levels do not confirm a tumour on their own.

• Results should be interpreted alongside symptoms and other investigations.

• The laboratory may require a specific container, preservative, or storage conditions.

Reporting Time

To be confirmed by the laboratory.

Please confirm test availability and sample collection requirements with the laboratory before booking.