CATECHOLAMINES, 24-HOUR URINE (OS051)
Method
HPLC
Turnaround Time
SAMPLE DAILY BY 7:00 PM, REPORT AFTER 7-10 DAYS
Sample Type
50 ML URINE (20ML MIN) ALIQUOT OF 24-HOUR URINE.COLLECT URINE WITH APPROPRIATE VOLUME OF 50% HCL TO MAINTAIN PH BETWEEN 1-2. DO NOT USE CONCENTRATED HCL. MEASURE URINE VOLUME.PATIENT SHOULD STRICTLY AVOID ALPHA-ONE BLOCKERS, AMINOPHYLLINE, AMPHETAMINES, AMPICILLIN, BETA-BLOCKERS, EPHEDRINE, IMIPRAMINE, METHYLDOPA, MAO INHIBITORS, NICOTINE, PHENACETIN, PHENOTHIAZINE, THEOPHYLLINE, VASODILATORS, ASPIRIN, PAS, ALPHA-2 AGONISTS, BROMOCRIPTINE, CALCIUM CHANNEL BLOCKERS ( LONG TERM USE), CLOFIBRATE, PROPRANOLOL, PENICILLIN, RESERPINE, THYROXINE, ALPHA-METHYLDOPA, ISOPROTERENOL, LABETALOL, MANDELAMINE, PARACETAMOL, CIMETIDINE, METOCLOPRAMIDE, VIGOROUS EXERCISE, ALCOHOLIC BEVERAGES, TEA/COFFEE AND TOBACCO AT LEAST 72 HOURS BEFORE AND DURING SPECIMEN COLLECTION.
How to Prepare
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