Specimen Requirements
Title
METANEPHRINES, FRAC, FREE PLASMA
Specimen Requirement
Patient should avoid alcohol, coffee, tea, tobacco and strenuous exercise prior to collection. Overnight fasting is preferred. Patients should be relaxed in either a supine or upright positiion before blood is drawn.
Draw blood in a pre-chilled lavender EDTA tube, Sample should be kept on wet ice until centrifugation. Spin and separate the plasma from the cells within 2 hours of collection. Send 2.5 mL plasma (1.5 mL minimum) refrigerated in a screw-capped plastic vial.
Methodology
Stability
Room Temperature 4 hours, Refrigerated 14 days, Frozen 14 days
Reference Range
By Report*
Turnaround
6-8 days Performed Tues-Sat
Clinical Use
Test Code
METPW