Metanephrines (Free), Plasma (Metanephrine and Normetanephrine)

BD0045

Synonym(s):
Specimen Container

​EDTA Tubes

Specimen Requirement

​3 mL EDTA

Recommended collection: Draw from fasting patient at supine position after 20 min - 30 min of rest.

Specimen Storage/Transport

​Keep cold with ice and send immediately to the laboratory.

Orderable as Urgent? No
Turn Around Time

​Mean = 7 days, Range: 3 - 11 days

Testing Laboratory Location

​SGH

Laboratory Biochemistry
Contact Number

​6394 1352

Day and Time Performed

​Mon - Fri: 0800 hrs - 1700 hrs

Test setup every Wednesday

Orderable on CPOE? No
Downtime Form

Clinical Chemistry - Form A

Additional Information

​Patient Preparation:

Subjects should abstain from caffeine, acetoaminophen,  before testing. The following drugs: (on MET, NMET, MTY) isoproterenol,  ephedrine, (on MTY) metamphetamine also interferes with the analysis technique.

Last Updated - 05 Apr 2025