Test Code 121806 Metanephrines, Fractionated, Plasma Free (LabCorp)
Additional Codes
LAB123967
Specimen Requirements
Sample must be collected in a chilled lavender-top (EDTA) tube. Invert to mix with preservatives. Centrifuge and transfer the plasma to a labeled plastic transport tube. Refrigerate or freeze plasma immediately.
Patient Preparation
- Patient must be in a fasting state. Avoid coffee, alcohol, tea, tobacco and strenuous exercise prior to collection.
- Patient must be in a fully recumbent position (lying down) for at least 30 minutes before and during the specimen collection.