Metanephrine 24 Hour Urine Collection
Sample Collection Instruction
- Please follow the diet and medication restrictions for 48 hours prior to and during collection time of specimen
- Please refrigerate specimen during collection time
Some medications may interfere with results of this test. Talk to your doctor about the medication you are taking. Your doctor may tell you to stop taking some of your medication. Do not stop taking medications unless your doctor tells you to stop.
If possible, please avoid the following:
- Aldomet, Aldoril, Dopamet, Dogegyt: antihypertensive
- Alpha-methyl normetanephrine: metabolic of methyldopa (antihypertensive)