National Path Lab

HOMOVANILLIC ACID (HVA), RANDOM URINE (OS576)

Method

HPLC

Turnaround Time

SAMPLE DAILY BY 8:00 PM, REPORT AFTER 7-10 DAYS

Sample Type

50 ML (10 ML MIN.) ALIQUOT OF RANDOM URINE. ADD 50% HCL DROP BY DROP TO BRING THE PH BETWEEN 1–2. DO NOT USE CONCENTRATED HCL. PATIENT SHOULD STRICTLY AVOID L-DOPA AT LEAST 72 HOURS BEFORE AND DURING COLLECTION.

How to Prepare

. PATIENT SHOULD STRICTLY AVOID L-DOPA AT LEAST 72 HOURS BEFORE AND DURING COLLECTION.

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