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:Normal range

Urine 24hrs: up to 1.0 mg/24hr*

Plasma: £ 0.3 nmol/L*

Comment: Measurement of metanephrines in urine or plasma is one of the most effective biochemical approaches to the diagnosis of a catecholamine – secreting neoplasm. Chemical testing is indicated for postoperative follow up

Sample: 24 hr urine, heparin or EDTA plasma