Homovanillic acid, random urine-994

Test info

  
Homovanillic acid, random urine
  
994
  
LAB994
  
MSO
  
HVA
HVA, random urine
  
  • Diagnose neuroblastoma, ganglioneuroblastoma, and pheochromocytoma
  • Follow course of tumor treatment

Specimen

  
  • Patient should avoid aspirin, disulfiram, reserpine, and pyridoxine, if possible at least 48 hours prior to collection of the specimen.
  • Levodopa should be avoided for two weeks before collection.
  
Urine, random
  
  
10 mL
  
4 mL
  

Tranfer a 10mL aliquot (minimum 4mL) to a Transfer vial/tube with cap - 12mL (LabCorp)

  
Ambient (preferred) - 14 days

Refrigerated - 14 days

Frozen - 14 days
 
Freeze/thaw cycles - stable x3

Performance

  
LabCorp Burlington (120246): R-NX
  
Mo - Fr
  
4 - 7 days
  

Liquid chromatography/tandem mass spectrometry (LC/MS-MS)

Clinical and Interpretive info

  

Age

Reference range

(μg/mg creatinine)

0 – 2 months

0.0 − 35.0

3 – 23 months

0.0 − 32.6

2 – 4 years

0.0 − 22.0

5 – 9 years

0.0 − 15.1

10 – 19 years

0.0 − 12.8

>19 years

0.0 − 7.6

Billing

  
82570
83150
  
Result 2161-8

Tracking

  
05/29/2019
  
04/11/2022
  
03/31/2022