Metanephrines, free (unconjugated), plasma

Test/Range/Collection

Metanephrines , free (unconjugated), plasma

Metanephrine, free: < 0.50 nmol/L

Normetanephrine, free: < 0.9 nmol/L

Lavender, green

$$$

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

There's more to see -- the rest of this topic is available only to subscribers.