Department: 
Biochemistry
Tube Colour: 
Dark Green On Ice
Pseudonyms: 
PCAT
Test Code: 
NORADR
Availability: 
Weekly
Collection Requirements: 
6 mL Lithium Heparin NO GEL on Ice. Sample collected via an indwelling catheter after 30 mins in a quiet room with minimal disturbance to the patient.
Requires own tube?: 
Yes
Reference Laboratory: 
Austin PathologyAustin Hospital145 Studley RoadHeidelberg, Vic 3084tel 03 9496 3100fax 03 9496 1674
Reference Range: 
1.0 - 5.0 nmol/L
Notes: 
Testing for plasma free metanephrines (the O-methylated metabolites of catecholamines) is now considered the preferred test in screening for the presence of neuroendocrine secreting tumours such as phaeochromocytomas and paragangliomas. Ref: Lenders et al 2002, JAMA 287:1427-1434