Inpatient and Outpatient Orderable

Random Urine, Vanillylmandelic Acid (VMA) and Homovanillic Acid (HVA) Build info

Synonyms

  • RANDOM URINE, VANILLYLMANDELIC ACID (VMA) AND HOMOVANILLIC ACID (HVA)
  • VMAHVA
  • VMA AND HVA, CHILD
  • LAB11061

Procedure Name

RANDOM URINE, VANILLYLMANDELIC ACID (VMA) AND HOMOVANILLIC ACID (HVA)

Procedure Master Number

LAB11061

Procedure ID

114524

Clinical Info

First preferred test for screening for catecholamine-secreting tumors in a random urine specimen when requesting both homovanillic acid and vanillylmandelic acid
Supporting a diagnosis of neuroblastoma
Monitoring patients with a treated neuroblastoma

Specimen Sources

 Bladder Kidney, Left Kidney, Right Ureter, Left Ureter, Right Urine, Catheter Urine, Clean Catch

Specimen Types

 Urine

Container

Urine Cntr

Collection Instructions

Container/Tube: Sterile cup
Volume: 5 mL random urine (2 mL min)
Collection Instructions:
1. Collect a random urine specimen.
2. Adjust urine pH to 1 to 5 with 50% acetic or hydrochloric
acid.
Patient Preparation: Administration of L-dopa may falsely
increase homovanillic acid and vanillylmandelic acid results; it
should be discontinued 24 hours prior to and during collection of
specimen.

Specimen Volume

Transport Instructions

Refrigerated

Specimen Stability

28 days Refrigerated
180 Days Frozen

Methodology

Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)

Days Performed

TAT: 4-6 Days

Performing Laboratory

Mayo Medical Laboratories

CPT

83150-HVA
84585-VMA
LOINC Code: 90250-2

PDM

 5908565

Only Orderable at Locations:

 Orderable Everywhere

Results
Component Name Base Name Common Name External Name
VANILLYLMANDELIC ACID, CHILD VANCH VANILLYLMANDELIC ACID, CHILD Vanillylmandelic Acid
HOMOVANILLIC ACID, CHILD HVAC HOMOVANILLIC ACID CHILD Homovanillic Acid
VMAHVA CD VMAHVA VMAHVA CD VMAHVA Collection Duration
VMAHVA VOL VMAHVA VMAHVA VOL VMAHVA Volume

Result Interpretation

VANILLYLMANDELIC ACID

<1 year: <25.0 mg/g creatinine

1 year: <22.5 mg/g creatinine

2-4 years: <16.0 mg/g creatinine

5-9 years: <12.0 mg/g creatinine

10-14 years: <8.0 mg/g creatinine

> or =15 years: <7.0 mg/g creatinine

 

HOMOVANILIC ACID

<1 year: <35.0 mg/g creatinine

1 year: <30.0 mg/g creatinine

2-4 years: <25.0 mg/g creatinine

5-9 years: <15.0 mg/g creatinine

10-14 years: <9.0 mg/g creatinine

> or =15 years: <8.0 mg/g creatinine

Forms
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