METANEPHRINES FRACTIONATED, 24-HOUR (OS095)

Method

HPLC

Turnaround Time

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

Sample Type

FOR 24-HOUR URINE: 50 ML URINE (20ML MIN) ALIQUOT OF 24-HOUR URINE. COLLECT URINE WITH APPROPRIATE VOLUME OF 50% HCL TO MAINTAIN PH 1-3. RANDOM URINE: 50 ML URINE (20ML MIN) ALIQUOT OF 24-HOUR URINE.ADD 50% HCL DROP BY DROP TO BRING THE PH 1-3. PATIENT SHOULD STRICTLY AVOID ALPHA- METHYLDOPA, BUSPIRONE, CODEINE, ISOPROTERENOL METABOLITE, MANDELAMINE, L-DOPA, PARCETAMOL, METOCLOPRAMIDE, PEPPER, ALCOHOLIC BEVERAGES, TEA/COFFEE, TOBACCO AND STRENUOUS EXERCISE AT LEAST 72 HOURS BEFORE AND DURING SPECIMEN COLLECTION.