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HOMOVANILLIC ACID (HVA), RANDOM URINE

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HOMOVANILLIC ACID (HVA), RANDOM URINE

HVA and other catecholamine metabolites are elevated in patients with Neuroblastoma, Pheochromocytoma and other Neural crest tumors. This assay is useful for screening of catecholamine secreting tumors, monitoring Neuroblastoma treatment and evaluating patients with possible inborn errors of catecholamine metabolism

Pre-test Information : Strictly avoid L-Dopa at least 24 hours before and during collection

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HOMOVANILLIC ACID (HVA), RANDOM URINE

Test Code H-65
Test Description **HOMOVANILLIC ACID (HVA), RANDOM URINE
Clinical Category Heart Diseases
Sample 50 mL (10 mL min.) aliquot of random urine. Add 50% HCl drop by drop to bring the pH between 1–2.. Patient should strictly avoid L-Dopa at least 72 hours before and during collection
Method/Technology High Performance Liquid Chromatography
Storage/Temp
Reporting Time Daily