Specimen: 8 mL (4 mL min.) Plasma from 4 pre-chilled Green Top (Sodium Heparin) / Lavender Top (EDTA) tubes. Adhere to REQUESTED specimen volume. Draw specimen as follows: Patient should be at rest for 30 minutes after insertion of an IV cannula. Collect specimen with patient supine. Immerse specimen immediately in ice water. Separate plasma within 10 minutes, preferably in cold centrifuge, transfer into sterile screw capped vial and FREEZE immediately. Ship frozen. DO NOT THAW. Patient should strictly avoid drugs like Aldomet (Alpha methyldopa), Labetalol, Isoproterenol, Isoetharine, Alpha-one blockers, Aminophylline, Amphetamines, Ampicillin, Beta-blockers, Ephedrine, Imipramine, Nicotine, Phenacetin, Theophylline, Phenothiazine, Vasodilators (Minoxidil, Nitrates & Hydralazine), Aspirin, PAS, Alpha-2 agonists, Bromocriptine, Calcium channel blockers (long term use), L-dopa, Cimetidine, clofibrate, MAO inhibitors, Propranolol, Penicillin, Reserpine, Thyroxine, vigorous exercise, severe stress & cigarette smoking atleast 72 hours before and during specimen collection.

Stability (Room): N/A

Stability (Refrigerated): N/A

Stability (Frozen): 30 days

Method: HPLC

Comment: The recommended test is PLASMA METANEPHRINE &/or FRACTIONATED METANEPHRINE, 24-HOUR URINE. Also see PHEOCHROMOCYTOMA PROFILE.

Price: Contact Medilab

Turnaround time (TAT): 10 – 15 days

Usage: This assay is useful in the diagnosis of Pheochromocytoma and Paraganglioma. It is also used as an auxillary test to Urine Vanil Mandelic Acid & Homovanilic Acid determination in the diagnosis and followup of patients with Neuroblastoma and related tumors. Plasma Metanephrine is the preferred test for the diagnosis of Pheochromocytoma. It is also useful for evaluating patients with Autonomic dysfunction / failure or Autonomic neuropathy.

Specialty: Oncologist, Physician

Disease: Cancer

Components: *Epinephrine *Norepinephrine

Courier Charges:

Home Collection: Not Available

Department: HPLC

Pre-test Information: Patient should strictly avoid drugs like Aldomet (Alpha methyldopa), Labetalol, Isoproterenol, Isoetharine, Alpha-one blockers, Aminophylline, Amphetamines, Ampicillin, Beta-blockers, Ephedrine, Imipramine, Nicotine, Phenacetin, Theophylline, Phenothiazine, Vasodilators (Minoxidil, Nitrates & Hydralazine), Aspirin, PAS, Alpha-2 agonists, Bromocriptine, Calcium channel blockers (long term use), L-dopa, Cimetidine, clofibrate, MAO inhibitors, Propranolol, Penicillin, Reserpine, Thyroxine, vigorous exercise, severe stress & cigarette smoking atleast 72 hours before and during specimen collection.