Test Name:
Vanillylmandelic Acid ( VMA ) - 24H Urine
Test Code:
P000040
How to Prepare:
With the doctor's consent and supervision avoid the following list of medications - morphine, ipronazid, chloropromazine,norepinephrine,epinephrine,insulin,reserpine, phenobarbiral and antihypertensives, particularly beta-blockers.