Vanillymandelic acid, Urine

Diagnostic Use

Only performed on Children < 15 years old

Department

Lipids/Trace Metals

Delphic Registration Code

CATU

Laboratory Handling

Registration

Send to separating if ambient on arrival. Send to lipids/trace metals if frozen on arrival.

Separating

Make aliquot for UCRN. Send primary sample to lipids/trace metals.

Test Adds

Refrigerated (preferred) 28 days, frozen 180days

Synonyms

3-methoxy-4-hydroxymandelic acid
HMMA
Hydroxy-methoxy-mandelic acid
VMA

Turnaround Time

14 days

Test Code

3464

Specimen Type

• Urine

Specimen Requirements

Tube/Container Type:

Preferred

• Pottle

No of Samples Required

1

Paediatric Specimen Requirements

Tube/Container Type:

Preferred

• Pottle

Preferred Sample Volume (ml)

5

Additional Specimen Information

Pre-testing requirement - Avoid vanilla containing foods for 3 days
Children - random or 6 hr urine

Aliquot Instructions

Sample Type

• Urine

Transport to Lab

Ambient (8 - 24 degrees Celsius)

Additional Referral/Aliquot Information

5 mL urine (laboratory to pH 1.5 - 3.5 on receipt). Fridge. Notify Specialist Lab on receipt, if marked urgent

Reference Intervals

Test Method

Solvent extraction, reacted with colour reagent

Non-Funded Test Cost

$52.52 (Exclusive of GST)

Billing Code

3464

Additional Costing Information

VMA is assayed on samples only from children, when a diagnosis of pheochromocytoma and neuroblastoma is suspected.

Batched weekly - urgent testing by arrangement

Contact Information

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