Children's Mercy Hospitals and Clinics
Name
HVA

Synonyms
Homovanillic Acid

CMH Lab Section
Toxicology/TDM

Specimen Requirements
2 mL of random urine

Availability
Routine

Turn Around Time
2 days

Special Instructions
Performed as a profile with VMA

Methodology
Gas Chromatography/Mass Spectrometry (GC/MS)

Ranges
Age dependent:

Normal (mg/g creatinine)

0-12 mos = <32.6
1-4 yrs = <22.0
5-9 yrs = <15.1
10-19 yrs = <12.8
>19 yrs = <7.6

Normal (mg/24 hr.)

0-12 mos = <2.8
1-4 yrs = <4.7
5-9 yrs = <5.4
10-19 yrs = <7.2
>19 yrs = <8.3

Copyright © 1996-2014 The Children's Mercy Hospital