Catecholamines, Plasma
Reference Lab
Pre-chilled Lavender (EDTA)
Green No Gel (Lithium or Sodium Heparin)
The patient should be in a fully recumbent position (lying down) for at least 20 minutes before and during sample collection.
Patient should discontinue drugs and other substances that may affect measured catecholamine results for at least one week before obtaining the specimen.
Important: The patient should be in a fully recumbent position (lying down) for at least 20 minutes before and during sample collection.
Draw blood in chilled lavender-top (EDTA) tube. Invert to mix with preservatives.
Centrifuge and transfer the plasma to a labeled plastic transport tube.
Place on-ice immediately (do NOT refrigerate) and freeze separated plasma within 4 hours of collection.