Metanephrines, free (unconjugated), plasma

Metanephrines, free (unconjugated), plasma is a topic covered in the Guide to Diagnostic Tests.

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Test/Range/Collection

Metanephrines , free (unconjugated), plasma

Metanephrine, free: < 0.50 nmol/L

Normetanephrine, free: < 0.9 nmol/L

Lavender, green

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Collect specimen after at least 30 min rest. Place specimen tube on ice, centrifuge within 1 hour, separate plasma and freeze immediately.

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