Sample should be collected with the patient preferably in a supine position, sample must be received into our laboratory within 1 hour of sample collection.
If patient is sat in a seated position when the sample is drawn, this may lead to a false-positive result.
Plasma metanephrine <510
Plasma normetanephrine <1180
Plasma 3-methoxytyramine <180
Cannot be added on to an existing requestSpecimen Labelling Procedure