VANILLYLMANDELIC ACID (VMA), URINE

Mnemonic

VMAU

Specimen Collection Requirements

Collect

24-hour or random urine. Refrigerate during and after collection.

Handling

5 mL aliquot from a well-mixed 24-hour or random collection. Refrigeration is the preferred method of preservation. Record total volume and collection time interval on transport tube and requisition

Preferred Volume

5.0 mL

Minimum Volume

3.0 mL

Transport

Refrigerated.

Reference Values

Reference Values

=>18 years: 0.0-7.0 mg/d The VMA-to-creatinine ratio will be reported when the patient is under 18 years, the urine collection is random or other than 24-hour, or the urine volume is less than 400 mL/24 hours.

CPT Codes

84585

Last Updated: Thursday, January 5, 2017 03:42:33 AM