Metanephrines (metanephrine, normetanephrine, 3-MT) are products of catecholine metabolism. Clinical indication for requesting: ? phaeochromocytoma, adrenal incidentaloma, screening for phaeochromocytoma in conditions with genetic predisposition (MEN 2, von Hippel-Lindau syndrome, neurofibromatosis type 1). May be requested in cases where 24 hr urine collections are difficult.
|Tube||04 (EP) - EDTA Plasma|
|Additional Information||Please note, 24h urine metanephrines is the first line test. Requests for plasma metanephrines should be discussed with the Duty Biochemist (0113 39 26922 option 2).|
|Turn Around||Turnaround time stated by Newcastle: 2 weeks|
|Send to||Blood Sciences LGI
(Test referred to: Newcastle Freeman Hospital.)
|Contact||For further details please contact Leeds Pathology customer services: firstname.lastname@example.org.|
|Advice||Full information on all referred tests can be found on the referred tests information database, EQMS reference BSF2REC17003.|
|Collection Con||Ideally, collect from the patient after 30 min in the supine position. Sample must arrive in the lab within 30 min of collection. Instructions to lab: Centrifuge, separate and freeze plasma within 30 min of sample collection.
Minimum volume: 1 mL plasma.
|Ref. Range Notes||Seated: NMN 0 - 1180 pmol/L; MN 0 - 510 pmol/L; 3MT 0 - 180 pmol/L.
Supine: NMN < 730 pmol/L; MN < 450 pmol/L; 3MT < 180 pmol/L
|Telepath||LGI superset LMADP. SJUH superset JMADP.|