VANILLYLMANDELIC ACID & HOMOVANILLIC ACID

Mnemonic

MISC

Synonym

VMA - HVA - Homovanillic Acid

Includes

VMA and HVA

Specimen Collection Requirements

Patient Preparation

Abstain from medications for 72 hours prior to collection.

Collect

Urine, random or 24-hour collection container

Handling

Refrigeration is the preferred method of preservation. Aliquot 5.0 mL of a well-mixed collection. Record the total volume and collection time interval on the transport tube and test request form.

Preferred Volume

5.0 mL

Minimum Volume

1.5 mL

Transport

Refrigerated

Stability

Ambient: Unacceptable; Refrigerated: 1 week; Frozen: 2 weeks

Testing Information

Performed

Sun, Tue - Sat

Reported

3-5 days

Method

LC-MS/MS

Referral Lab

ARUP (80470)

Reference Values

Reference Values

Interpretation provided.
Age related reference ranges.

CPT Codes

83150, 84585

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