Last Modified:
7/14/2016 12:02:37 PM
Patient Preparation:
It is preferable for the patient to be off medications for three days prior to collection, however, common antihypertensives (diuretics, ACE inhibitors, calcium channel blockers, alpha and beta blockers) cause minimal or no interference. Patient should avoid alcohol, coffee, tea, tobacco and strenuous exercise prior to collection.
Specimen Requirements:
10.0 mL Random Urine
Transport & Storage: Temperature/Stability:
10 days Ambient
2 weeks Refrigerated (Transport)
3 months Frozen (only with additive)
Reference Range:
Refer to Interpretive Results
Methodology:
High Performance Liquid Chromatography (HPLC)
Clinical Significance:
This analyte is valuable in the identification of patients with neuroblastoma. 80% of neuroblastoma patients will have elevated urinary homovanillic acid (HVA) and or vanillylmandelic acid (VMA).
Custom Panel:
No
PRODUCTION SCHEDULE
Turn Around Time:
2 to 3 days
Days Performed:
Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday
Sites Performed:
Quest - Chantilly
PHL Test Code:
MSOT
EPIC Test Code:
Send Out Test Code:
21807
Alternate Test Names:
Homovanillic Acid (HVA), Random Urine ; HVA, Urine
Included Tests:
Creatinine, Homovanillic Acid
CPT Coding:
82570, 83150
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