Vanillylmandelic Acid (VMA), per creatinine, 24 hour urine (VMA spot/random urine collection)

Spot (random) urine
30 mL of fresh urine

For spot urine, do not collect on weekends and public holidays

Refrigerate sample until transfer to laboratory. Do not freeze. Send sample with an ice-pack

Document Title

Instructions before sampling

Patient Preparation:
1. Patient should abstain from the following at least 3 days prior to and during urine specimen collection:
   
    1.1. Intake of food like bananas, vanilla, chocolate, coffee and tea 1.1. Intake of food like bananas, vanilla, chocolate, coffee and tea

    1.2. Where medically possible, drugs such as drugs containing phenotiazines, gentisic or homogentisic acid which may potentially interfere with the testing. 

2. If the patient cannot be completely removed from a drug regime, test result should be interpreted with appropriate clinical judgement based on expected physiology response to these drugs.