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Phone Icon Phone Support:  1-800-876-0243     Mail Icon  info@amsreferencelab.com     Location Icon 2916 E. Central Wichita, KS 67214    
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Test ID: ZG090

Homovanillic Acid (HVA), 24 hr Urine

  • CPT Code: 83150
  • LOINC:
  • Specimen Type: 24 hr urine
  • Frequency: Setup: Mon-Sat: analytic time 2 days
  • Instructions: 6mL from 24hr coll. Add 25mL 50% acetic acid at START of collection. Min 2.0mL. Refrigerate. pH must be between 1 and 5.
  • Text: Used to screen for catecholamine-secreting tumors in children when accompanied by VMA, monitoring treated neuroblastoma patients, and eval patients with possible inborn errors or catacholamine metabolism.
  • Methodology: Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)

 

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