HOMOVANILLIC ACID (HVA), 24 HOUR URINE
194 Ratings
Rs 5,400 Rs 4,000
26 % OFF
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.
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50 ML (10 ML MIN.) ALIQUOT OF 24-HOUR URINE. ADD 50% HCL DROP BY DROP TO BRING THE PH BETWEEN 1 2. DO NOT USE CONCENTRATED HCL. SHIP REFRIGERATED OR FROZEN. PATIENT SHOULD STRICTLY AVOID L-DOPA AT LEAST 72 HOURS BEFORE AND DURING COLLECTION.
HPLC-EC
REPORT ON 4TH DAY EVENING 7PM
PATIENT SHOULD STRICTLY AVOID L-DOPA AT LEAST 72 HOURS BEFORE AND DURING COLLECTION.
